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M74HCT643M1R中文资料PDF规格书
M74HCT643M1R规格书详情
DESCRIPTION
The M54/74HCT245, HCT640 and HCT643 utilise silicon gate C2MOS technology to achive operating speeds eqivalent to LSTTL devices.
■ HIGH SPEED
tPD = 10 ns (TYP.) at VCC = 5V
■ LOW POWER DISSIPATION
ICC = 4 µA (MAX.) at TA = 25 °C
■ COMPATIBLE WITH TTL OUTPUTS
VIH = 2V (MIN.) VIL = 0.8V (MAX.)
■ OUTPUT DRIVE CAPABILITY
15 LSTTL LOADS
■ SYMMETRICAL OUTPUT IMPEDANCE
|IOH| = IOL = 6 mA (MIN)
■ BALANCED PROPAGATION DELAYS
tPLH = tPHL
■ PIN AND FUNCTION COMPATIBLE
WITH 54/74LS245/640/643
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
ST/意法 |
23+ |
NA/ |
4585 |
原装现货,当天可交货,原型号开票 |
询价 | ||
ST/意法 |
21+ |
DIP |
5000 |
原装现货/假一赔十/支持第三方检验 |
询价 | ||
ST |
22 |
DIP |
25000 |
3月31原装,微信报价 |
询价 | ||
22+ |
NA |
3000 |
加我QQ或微信咨询更多详细信息, |
询价 | |||
ST/STMicroelectronics/意法半导 |
21+ |
DIP |
208 |
优势代理渠道,原装正品,可全系列订货开增值税票 |
询价 | ||
ST |
2339+ |
DIP |
5632 |
公司原厂原装现货假一罚十!特价出售!强势库存! |
询价 | ||
ST |
22+ |
DIP |
30000 |
原装正品 |
询价 | ||
ST |
23+ |
NA |
16900 |
支持样品,原装现货,提供技术支持! |
询价 | ||
ST/意法 |
2022 |
DIP-24 |
80000 |
原装现货,OEM渠道,欢迎咨询 |
询价 | ||
ST |
DIP |
68900 |
原包原标签100%进口原装常备现货! |
询价 |