Presettable synchronous 4-bit binary up/down counter

GENERAL DESCRIPTION The 74HC/HCT191 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. The 74HC/HCT191 are asynchronously presettable 4-bit binary up/down counters. They contain four master/

Presettable synchronous 4-bit binary up/down counter

1. General description The 74HC191 is an asynchronously presettable 4-bit binary up/down counter. It contains four master/slave flip-flops with internal gating and steering logic to provide asynchronous preset and synchronous count-up and count-down operation. Asynchronous parallel load capabil

Presettable synchronous 4-bit binary up/down counter

The 74HC191 is an asynchronously presettable 4-bit binary up/down counter. It contains four master/slave flip-flops with internal gating and steering logic to provide asynchronous preset and synchronous count-up and count-down operation. Asynchronous parallel load capability permits the counter to b • Complies with JEDEC standard no. 7A\n• CMOS input levels\n• Synchronous reversible counting\n• Asynchronous parallel load\n• Count enable control for synchronous expansion\n• Single up/down control input\n• ESD protection:• HBM JESD22-A114F exceeds 2000 V\n• MM JESD22-A115-A exceeds 200 V\n\n• Spe;

Presettable synchronous 4-bit binary up/down counter

The 74HC191 is an asynchronously presettable 4-bit binary up/down counter. It contains four master/slave flip-flops with internal gating and steering logic to provide asynchronous preset and synchronous count-up and count-down operation. Asynchronous parallel load capability permits the counter to b • Complies with JEDEC standard no. 7A\n• CMOS input levels\n• Synchronous reversible counting\n• Asynchronous parallel load\n• Count enable control for synchronous expansion\n• Single up/down control input\n• ESD protection:• HBM JESD22-A114F exceeds 2000 V\n• MM JESD22-A115-A exceeds 200 V\n\n• Spe;

Presettable synchronous 4-bit binary up/down counter

GENERAL DESCRIPTION The 74HC/HCT191 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. The 74HC/HCT191 are asynchronously presettable 4-bit binary up/down counters. They contain four master/

封装/外壳：16-SOIC（0.154"，3.90mm 宽） 包装：管件 描述：IC 4BIT BINAR UP/DN COUNT 16SOIC 集成电路（IC） 计数器，除法器

封装/外壳：16-SOIC（0.154"，3.90mm 宽） 包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 描述：IC BINARY COUNTER SYNC 16SOIC 集成电路（IC） 计数器，除法器

Presettable synchronous 4-bit binary up/down counter

GENERAL DESCRIPTION The 74HC/HCT191 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. The 74HC/HCT191 are asynchronously presettable 4-bit binary up/down counters. They contain four master/

Presettable synchronous 4-bit binary up/down counter

GENERAL DESCRIPTION The 74HC/HCT191 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. The 74HC/HCT191 are asynchronously presettable 4-bit binary up/down counters. They contain four master/

Presettable synchronous 4-bit binary up/down counter

GENERAL DESCRIPTION The 74HC/HCT191 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. The 74HC/HCT191 are asynchronously presettable 4-bit binary up/down counters. They contain four master/

4 BIT SYNCHRONOUS UP/DOWN COUNTERS

DESCRIPTION The M54/74HC190/191 are high speed CMOS4-BIT SYNCHRONOUS UP/DOWN COUNTERS fabricated in silicon gate C2MOS technology. ■ HIGH SPEED fMAX = 48 MHz (TYP.) AT VCC = 5 V ■ LOW POWER DISSIPATION ICC = 4 µA (MAX.) AT TA = 25 °C ■ HIGH NOISE IMMUNITY VNIH = VNIL = 28