HD74HC190中文资料瑞萨数据手册PDF规格书
HD74HC190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)
产品属性
- 型号:
HD74HC190
- 制造商:
Renesas Electronics
- 功能描述:
74HC Counter
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
HITACHI |
23+ |
DIP16 |
90000 |
只做原厂渠道价格优势可提供技术支持 |
询价 | ||
RENESAS/瑞萨 |
21+ |
65230 |
询价 | ||||
HITACHI |
21+ |
DIP16 |
1709 |
询价 | |||
HITACHI |
2023+ |
DIP16 |
6893 |
十五年行业诚信经营,专注全新正品 |
询价 | ||
HITACHI |
24+ |
DIP16 |
880000 |
明嘉莱只做原装正品现货 |
询价 | ||
HIT |
99+ |
SOP16 |
3960 |
全新原装进口自己库存优势 |
询价 | ||
HITACHI |
2023+ |
DIP16 |
80000 |
一级代理/分销渠道价格优势 十年芯程一路只做原装正品 |
询价 | ||
Renesas |
21+ |
SOP16 |
2000 |
原装现货假一赔十 |
询价 | ||
HITACHI |
23+ |
NA/ |
131 |
优势代理渠道,原装正品,可全系列订货开增值税票 |
询价 | ||
HIT |
三年内 |
1983 |
纳立只做原装正品13590203865 |
询价 |