HD74HC191中文资料PDF规格书
HD74HC191规格书详情
Description
The HD74HC190 is a 4-bit decade counter and the HD74HC191 is a 4-bit binary counter. Synchronous counting operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when so instructed by the steering logic. This mode of operation eliminates the output counting spikes normally associated with asynchronous (ripple clock) counters.
Features
• High Speed Operation: tpd (Clock to Q) = 22 ns typ (CL = 50 pF)
• High Output Current: Fanout of 10 LSTTL Loads
• Wide Operating Voltage: VCC = 2 to 6 V
• Low Input Current: 1 µA max
• Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
HITACHI |
23+ |
SOP |
20000 |
全新原装假一赔十 |
询价 | ||
HIT |
三年内 |
1983 |
纳立只做原装正品13590203865 |
询价 | |||
HITACHI |
2016+ |
DIP |
6526 |
只做原装正品!假一赔十!只要有上一定有货的! |
询价 | ||
RENESAS/瑞萨 |
21+ |
DIP16 |
1709 |
询价 | |||
HIT |
21+ |
SOP16 |
10 |
原装现货假一赔十 |
询价 | ||
HIT |
2020+ |
DIP |
16800 |
绝对原装进口现货,假一赔十,价格优势!? |
询价 | ||
HIT |
2001 |
DIP-16 |
20 |
原装现货海量库存欢迎咨询 |
询价 | ||
HITACHI/日立 |
2022 |
DIP16 |
80000 |
原装现货,OEM渠道,欢迎咨询 |
询价 | ||
HITACHI |
2102+ |
DIP |
6854 |
只做原厂原装正品假一赔十! |
询价 | ||
HIT |
22+23+ |
DIP |
24783 |
绝对原装正品全新进口深圳现货 |
询价 |