M74HC221A中文资料意法半导体数据手册PDF规格书
M74HC221A规格书详情
DESCRIPTION
The M54/74HC221/221A are high speed CMOS MONOSTABLE multivibrators fabricated with silicon gate C2MOS technology. It achieves the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation. There are two trigger inputs, AINPUT (negative edge) and B INPUT (positive edge). Triggering on the B input occurs at a particular voltage threshold and is not related to the rise and fall time of the applied pulse.
■ HIGH SPEED
tPD = 25 ns (TYP) at VCC = 5V
■ LOW POWER DISSIPATION
STANDBYSTATE ICC=4 µA (MAX.) AT TA=25°C
ACTIVESTATE ICC =700µA (MAX.)AT VCC=5V
■ HIGH NOISE IMMUNITY
VNIH = VNIL = 28 VCC (MIN.)
■ OUTPUT DRIVE CAPABILITY
10 LSTTL LOADS
■ SYMMETRICAL OUTPUT IMPEDANCE
IOH = IOL = 4 mA (MIN.)
■ BALANCED PROPAGATION DELAYS
tPLH = tPHL
■ WIDE OPERATING VOLTAGE RANGE
VCC (OPR) = 2 V TO 6 V
■ WIDE OUTPUT PULSE WIDTH RANGE
tWOUT = 150 ns ∼ 60 s OVER AT VCC = 4.5 V
■ PIN AND FUNCTION COMPATIBLE WITH 54/74LS221
产品属性
- 型号:
M74HC221A
- 制造商:
STMICROELECTRONICS
- 制造商全称:
STMicroelectronics
- 功能描述:
DUAL MONOSTABLE MULTIVIBRATOR
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
st |
23+ |
16-DIP |
52584 |
询价 | |||
ST/意法 |
23+ |
NA/ |
3317 |
原装现货,当天可交货,原型号开票 |
询价 | ||
ST |
2016+ |
S0P-16 |
3000 |
只做原装,假一罚十,公司可开17%增值税发票! |
询价 | ||
ST |
三年内 |
1983 |
纳立只做原装正品13590203865 |
询价 | |||
ST |
DIP16 |
93480 |
集团化配单-有更多数量-免费送样-原包装正品现货-正规 |
询价 | |||
ST |
DIP16 |
68900 |
原包原标签100%进口原装常备现货! |
询价 | |||
ST |
22+ |
SOP-16/50PCS |
2000 |
原装现货库存.价格优势 |
询价 | ||
ST |
06+07+ |
SOP16 |
90 |
询价 | |||
STMicroelectronics |
18+ |
ICMULTIVIBRATORDUALMONO1 |
6800 |
公司原装现货/欢迎来电咨询! |
询价 | ||
STMICROELECTRONICS |
2022+ |
原厂原包装 |
8600 |
全新原装 支持表配单 中国著名电子元器件独立分销 |
询价 |