TEXAS INSTRUMENTS CD74HCT191E. 逻辑芯片, 4位二进制上/下计数器, DIP-16
description/ordering information
The CD54/74HC190 are asynchronously presettable BCD decade counters, whereas the CD54/74HC191 and CD54/74HCT191 are asynchronously presettable binary counters.
• 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 Transition Times
• Standard Outputs Drive Up To 15 LS-TTL Loads
• Significant Power Reduction Compared to LS-TTL Logic ICs
型号 | 品牌 | 下载 |
---|---|---|
CD74HCT191E | TI 德州仪器 | 下载 |
CD74ACT541M96 | TI 德州仪器 | 下载 |
CD74HC125M | TI 德州仪器 | 下载 |
CD74AC541M | TI 德州仪器 | 下载 |
CD74AC541M96 | TI 德州仪器 | 下载 |
CD74HC125M96 | TI 德州仪器 | 下载 |
CD74ACT05M | TI 德州仪器 | 下载 |
CD74ACT244M | TI 德州仪器 | 下载 |
CD74HC244E | TI 德州仪器 | 下载 |
CD74HC244M | TI 德州仪器 | 下载 |
CD74HC541E | TI 德州仪器 | 下载 |