丝印代码：HCT640M；CDx4HC640 CDx4HCT640 High-Speed CMOS Logic Octal Three-State Bus Transceiver, Inverting

1 Features • Buffered inputs • Three-state outputs • Applications in multiple-data-bus architecture • Fanout (over temperature range) – Standard outputs : 10 LSTTL loads – Bus driver outputs : 15 LSTTL loads • Wide operating temperature range : -55oC to 125oC • Balanced propagation delay

丝印代码：HCT640M；CDx4HC640 CDx4HCT640 High-Speed CMOS Logic Octal Three-State Bus Transceiver, Inverting

1 Features • Buffered inputs • Three-state outputs • Applications in multiple-data-bus architecture • Fanout (over temperature range) – Standard outputs : 10 LSTTL loads – Bus driver outputs : 15 LSTTL loads • Wide operating temperature range : -55oC to 125oC • Balanced propagation delay

丝印代码：HCT646M；OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS

2-V to 6-V VCC Operation (CD54HC646) 4.5-V to 5.5-V VCC Operation (CD74HCT646) Wide Operating Temperature Range of –55°C to 125°C Balanced Propagation Delays and Transition Times Standard Outputs Drive Up To 15 LS-TTL Loads Significant Power Reduction Compared to LS-TTL Logic ICs Inputs

丝印代码：HCT646M；OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS

2-V to 6-V VCC Operation (CD54HC646) 4.5-V to 5.5-V VCC Operation (CD74HCT646) Wide Operating Temperature Range of –55°C to 125°C Balanced Propagation Delays and Transition Times Standard Outputs Drive Up To 15 LS-TTL Loads Significant Power Reduction Compared to LS-TTL Logic ICs Inputs

丝印代码：HCT652M；High-Speed CMOS Logic Octal-Bus Transceiver/Registers, Three-State

[ /Title (CD74HC652, CD74HCT652) /Subject (High-Speed CMOS Logic Octal-Bus Transceiver/Registers, Three-State) /Author () /Keywords () /Creator () /DOCINFO pdfmark [ /PageMode /UseOutlines /DOCVIEW pdfmark Features • CD74HC652, CD74HCT652 . . . . . . . . . . . Non-Inverting • Independen

丝印代码：HCT652M；High-Speed CMOS Logic Octal-Bus Transceiver/Registers, Three-State

[ /Title (CD74HC652, CD74HCT652) /Subject (High-Speed CMOS Logic Octal-Bus Transceiver/Registers, Three-State) /Author () /Keywords () /Creator () /DOCINFO pdfmark [ /PageMode /UseOutlines /DOCVIEW pdfmark Features • CD74HC652, CD74HCT652 . . . . . . . . . . . Non-Inverting • Independen

丝印代码：HCT670M；High-Speed CMOS Logic 4x4 Register File

Features • Simultaneous and Independent Read and Write Operations • Expandable to 512 Words of n-Bits • Three-State Outputs • Organized as 4 Words x 4 Bits Wide • Buffered Inputs • Typical Read Time = 16ns for ’HC670 VCC = 5V, CL = 15pF, TA = 25oC • Fanout (Over Temperature Range) - Stan

丝印代码：HCT670M；High-Speed CMOS Logic 4x4 Register File

Features • Simultaneous and Independent Read and Write Operations • Expandable to 512 Words of n-Bits • Three-State Outputs • Organized as 4 Words x 4 Bits Wide • Buffered Inputs • Typical Read Time = 16ns for ’HC670 VCC = 5V, CL = 15pF, TA = 25oC • Fanout (Over Temperature Range) - Stan

丝印代码：HCT623；OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

Operating Voltage Range of 4.5 V to 5.5 V Low Power Consumption, 80-μA Max ICC Typical tpd = 11 ns ±6-mA Output Drive at 5 V Low Input Current of 1 μA Max Inputs Are TTL-Voltage Compatible Lock Bus-Latch Capability True Logic High-Current 3-State Outputs Can Drive Up To 15 LSTTL Loads

丝印代码：HCT645；OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

Operating Voltage Range of 4.5 V to 5.5 V High-Current 3-State Outputs Can Drive Up To 15 LSTTL Loads Low Power Consumption, 80-μA Max ICC Typical tpd = 14 ns ±6-mA Output Drive at 5 V Low Input Current of 1 μA Max Inputs Are TTL-Voltage Compatible True Logic description/ordering inform

丝印代码：HCT645；OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

Operating Voltage Range of 4.5 V to 5.5 V High-Current 3-State Outputs Can Drive Up To 15 LSTTL Loads Low Power Consumption, 80-μA Max ICC Typical tpd = 14 ns ±6-mA Output Drive at 5 V Low Input Current of 1 μA Max Inputs Are TTL-Voltage Compatible True Logic description/ordering inform

丝印代码：HCT645；OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

Operating Voltage Range of 4.5 V to 5.5 V High-Current 3-State Outputs Can Drive Up To 15 LSTTL Loads Low Power Consumption, 80-μA Max ICC Typical tpd = 14 ns ±6-mA Output Drive at 5 V Low Input Current of 1 μA Max Inputs Are TTL-Voltage Compatible True Logic description/ordering inform

丝印代码：HCT646；OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS

Operating Voltage Range of 4.5 V to 5.5 V Low Power Consumption, 80-μA Max ICC Typical tpd = 12 ns ±6-mA Output Drive at 5 V Low Input Current of 1 μA Max Inputs Are TTL-Voltage Compatible Independent Registers for A and B Buses Multiplexed Real-Time and Stored Data True Data Paths High-C

丝印代码：HCT646；OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS

Operating Voltage Range of 4.5 V to 5.5 V Low Power Consumption, 80-μA Max ICC Typical tpd = 12 ns ±6-mA Output Drive at 5 V Low Input Current of 1 μA Max Inputs Are TTL-Voltage Compatible Independent Registers for A and B Buses Multiplexed Real-Time and Stored Data True Data Paths High-C

丝印代码：HCT646；OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS

Operating Voltage Range of 4.5 V to 5.5 V Low Power Consumption, 80-μA Max ICC Typical tpd = 12 ns ±6-mA Output Drive at 5 V Low Input Current of 1 μA Max Inputs Are TTL-Voltage Compatible Independent Registers for A and B Buses Multiplexed Real-Time and Stored Data True Data Paths High-C

丝印代码：HCT652；OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS

Operating Voltage Range of 4.5 V to 5.5 V Low Power Consumption, 80-μA Max ICC Typical tpd = 12 ns 6-mA Output Drive at 5 V Low Input Current of 1 μA Max Inputs Are TTL-Voltage Compatible Independent Registers and Enables for A and B Buses Multiplexed Real-Time and Stored Data True Data P

丝印代码：HCT652；OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS

Operating Voltage Range of 4.5 V to 5.5 V Low Power Consumption, 80-μA Max ICC Typical tpd = 12 ns 6-mA Output Drive at 5 V Low Input Current of 1 μA Max Inputs Are TTL-Voltage Compatible Independent Registers and Enables for A and B Buses Multiplexed Real-Time and Stored Data True Data P

丝印代码：HCT652；OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS

Operating Voltage Range of 4.5 V to 5.5 V Low Power Consumption, 80-μA Max ICC Typical tpd = 12 ns 6-mA Output Drive at 5 V Low Input Current of 1 μA Max Inputs Are TTL-Voltage Compatible Independent Registers and Enables for A and B Buses Multiplexed Real-Time and Stored Data True Data P

Octal bus transceiver/register; 3-state

DESCRIPTION The 74HC/HCT652 are high-speed SI-gate CMOS devices and are pin compatible with Low power Schottky TTL (LSTTL). They are specified in compliance with Jedec standard no. 7A. FEATURES • Multiplexed real-time and stored data • Independent register for A and B buses • Independent enab

OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

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OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

SPI 接口的双通道、24 位高精度 ADC 芯片

Octal bus transceiver/register; 3-state