PurePath Digital™ 5.1 Channel Evaluation Module for the TAS5508 Digital Audio PWM processor and TAS5122DCA Digital Amplifier Power Output Stage in Both Bridge-Tied-Load and Single-Ended Configuration

PurePath Digital™ 5.1 Channel Evaluation Module for the TAS5508 Digital Audio PWM processor and TAS5122DCA Digital Amplifier Power Output Stage in Both Bridge-Tied-Load and Single-Ended Configuration

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126-Q1 Single Bus Buffer Gate With 3-State Output

1 Features • Qualified for automotive applications • Supports 5-V VCC operation • Inputs accept voltages to 5.5 V • Provides down translation to VCC • Low power consumption, 10-μA Max ICC • ±24-mA Output drive at 3.3 V • Ioff Supports live insertion, partial-power-down mode, and back drive

Designed for 1.65V to 5.5V VCC Operation

General Description The SN74LVC1G126 is a high performance single noninverting buffer operating from a 1.65V to 5.5V supply. This device is fabricated with advanced CMOS technology to achieve ultra-high speed with high output drive. Features ● Designed for 1.65V to 5.5V VCC Operation ● Ov

SINGLE BUFFER GATE WITH 3-STATE OUTPUT

Features «Supply Voltage Range from 20V to 5.5V + +8mA Output Drive at 5.0V. + CMOS low power consumption «Schmitt Trigger Action at All Inputs Make the Circuit Tolerant for Slower Input Rise and Fall Time + ESD Protection per JESD 22 o Exceeds 200-V Machine Model (A115-A) 0 Exceeds 2000-V

具有三态输出的 1.65V 至 5.5V 单路缓冲器

This single buffer is designed for 1.65-V to 3.6-V VCC operation. The LVC1G126 device is a single line driver with 3-state output. The output is disabled when the output-enable input is low. • Available in the Texas Instruments NanoFree™ Package\n• Supports 5-V VCC Operation\n• Inputs Accept Voltages to 5.5 V\n• Provides Down Translation to VCC\n• Max tpd of 3.7 ns at 3.3 V\n• Low Power Consumption, 10-µA Max ICC\n• ±24-mA Output Drive at 3.3 V\n• Ioff Supports Live Insertion, Partial-P;

SN74LVC1G126-Q1 Single Bus Buffer Gate With 3-State Output

文件：1.65263 Mbytes Page：22 Pages

Single Bus Buffer Gate With 3-State Output

文件：1.34097 Mbytes Page：30 Pages

SINGLE BUS BUFFER GATE WITH 3-STATE OUTPUTS

文件：119.48 Kbytes Page：8 Pages

SINGLE BUS BUFFER GATE WITH 3-STATE OUTPUT

文件：470.79 Kbytes Page：18 Pages

丝印代码：C265；SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

丝印代码：C265；SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

丝印代码：C265；Designed for 1.65V to 5.5V VCC Operation

General Description The SN74LVC1G126 is a high performance single noninverting buffer operating from a 1.65V to 5.5V supply. This device is fabricated with advanced CMOS technology to achieve ultra-high speed with high output drive. Features ● Designed for 1.65V to 5.5V VCC Operation ● Ov

丝印代码：C265；SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

丝印代码：C265；SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

丝印代码：C26J；SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

丝印代码：C26J；SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SINGLE BUFFER GATE WITH 3-STATE OUTPUT

Features «Supply Voltage Range from 20V to 5.5V + +8mA Output Drive at 5.0V. + CMOS low power consumption «Schmitt Trigger Action at All Inputs Make the Circuit Tolerant for Slower Input Rise and Fall Time + ESD Protection per JESD 22 o Exceeds 200-V Machine Model (A115-A) 0 Exceeds 2000-V

丝印代码：C265；SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

丝印代码：C265；SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

丝印代码：C265；SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

丝印代码：CN5；SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

丝印代码：CN5；SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

丝印代码：CNK；Designed for 1.65V to 5.5V VCC Operation

General Description The SN74LVC1G126 is a high performance single noninverting buffer operating from a 1.65V to 5.5V supply. This device is fabricated with advanced CMOS technology to achieve ultra-high speed with high output drive. Features ● Designed for 1.65V to 5.5V VCC Operation ● Ov

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

BUS BUFFER/LINE DRIVER 3-STATE

Features » Operate from 1.65V to 5.5V » Inputs Accept Voltages to 5.5V » High Noise Immunity » Low Power Dissipation « ESD Protection Exceeds JESD 22 -2000-V Human-Body Model (A114-A) -200-V Machine Model (A115-A) ~1000-V Charged-Device Model (C101) » SOT353 Package Available

SINGLE BUFFER GATE WITH 3-STATE OUTPUT

Features «Supply Voltage Range from 20V to 5.5V + +8mA Output Drive at 5.0V. + CMOS low power consumption «Schmitt Trigger Action at All Inputs Make the Circuit Tolerant for Slower Input Rise and Fall Time + ESD Protection per JESD 22 o Exceeds 200-V Machine Model (A115-A) 0 Exceeds 2000-V

丝印代码：CN5；SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

丝印代码：CN7；SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

丝印代码：CN；Designed for 1.65V to 5.5V VCC Operation

General Description The SN74LVC1G126 is a high performance single noninverting buffer operating from a 1.65V to 5.5V supply. This device is fabricated with advanced CMOS technology to achieve ultra-high speed with high output drive. Features ● Designed for 1.65V to 5.5V VCC Operation ● Ov

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

丝印代码：CN；SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

SN74LVC1G126 Single Bus Buffer Gate With 3-State Output

1 Features 1• Available in the Texas Instruments NanoFree™ Package • Supports 5-V VCC Operation • Inputs Accept Voltages to 5.5 V • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • Low Power Consumption, 10-μA Max ICC • ±24-mA Output Drive at 3.3 V • Ioff Supports Live Inse

具有三态输出的增强型产品单路 1.65V 至 5.5V 缓冲器

This single bus buffer gate is designed for 1.65-V to 5.5-V VCC operation. The SN74LVC1G126 is a single line driver with a 3-state output. The output is disabled when the output-enable (OE) input is low. To ensure the high-impedance state during power up or power down, OE should be tied to GND throu • Controlled Baseline \n• Enhanced Diminishing Manufacturing Sources (DMS) Support\n• Qualification Pedigree\n• Inputs Accept Voltages to 5.5 V\n• Low Power Consumption, 10-µA Max ICC\n• Ioff Supports Partial-Power-Down Mode Operation\n• ESD Protection Exceeds JESD 22 \n• 200-V Machine Model (A115-A;