丝印代码：HCT191M；SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL

2-V to 6-V VCC Operation (’HC190, 191) 4.5-V to 5.5-V VCC Operation (’HCT191) Wide Operating Temperature Range of −55°C to 125°C Synchronous Counting and Asynchronous Loading Two Outputs for n-Bit Cascading Look-Ahead Carry for High-Speed Counting Balanced Propagation Delays and Transitio

丝印代码：HCT191M；SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL

2-V to 6-V VCC Operation (’HC190, 191) 4.5-V to 5.5-V VCC Operation (’HCT191) Wide Operating Temperature Range of −55°C to 125°C Synchronous Counting and Asynchronous Loading Two Outputs for n-Bit Cascading Look-Ahead Carry for High-Speed Counting Balanced Propagation Delays and Transitio

SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL

文件：614.22 Kbytes Page：26 Pages

SYNCHORONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL

文件：1.23656 Mbytes Page：31 Pages

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 SYNC 4-BIT UP/DN CNTR 16-SOIC 集成电路（IC） 计数器，除法器

丝印代码：HCT191M；SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL

2-V to 6-V VCC Operation (’HC190, 191) 4.5-V to 5.5-V VCC Operation (’HCT191) Wide Operating Temperature Range of −55°C to 125°C Synchronous Counting and Asynchronous Loading Two Outputs for n-Bit Cascading Look-Ahead Carry for High-Speed Counting Balanced Propagation Delays and Transitio

SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL

2-V to 6-V VCC Operation (’HC190, 191) 4.5-V to 5.5-V VCC Operation (’HCT191) Wide Operating Temperature Range of −55°C to 125°C Synchronous Counting and Asynchronous Loading Two Outputs for n-Bit Cascading Look-Ahead Carry for High-Speed Counting Balanced Propagation Delays and Transitio

SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL

文件：614.22 Kbytes Page：26 Pages

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/

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/