M54HC191中文资料意法半导体数据手册PDF规格书
M54HC191规格书详情
DESCRIPTION
The M54/74HC190/191 are high speed CMOS4-BIT SYNCHRONOUS UP/DOWN COUNTERS fabricated in silicon gate C2MOS technology.
■ HIGH SPEED
fMAX = 48 MHz (TYP.) AT VCC = 5 V
■ LOW POWER DISSIPATION
ICC = 4 µA (MAX.) AT TA = 25 °C
■ 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
■ PIN AND FUNCTION COMPATIBLE
WITH 54/74LS190/191
产品属性
- 型号：
M54HC191
- 制造商：
STMICROELECTRONICS
- 制造商全称：
STMicroelectronics
- 功能描述：
RAD-HARD 4 BIT SYNCHRONOUS UP/DOWN COUNTERS
| 供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
ST |
24+ |
CDIP |
5000 |
只做原装公司现货 |
询价 | ||
ST |
2023+ |
CDIP16 |
700000 |
柒号芯城跟原厂的距离只有0.07公分 |
询价 | ||
ST |
589220 |
16余年资质 绝对原盒原盘 更多数量 |
询价 | ||||
ST |
30704 |
只做正品 |
询价 | ||||
ST |
22 |
CDIP16 |
25000 |
3月31原装,微信报价 |
询价 | ||
ST |
24+ |
CDIP16 |
9874 |
询价 | |||
ST |
23+ |
CDIP16 |
12800 |
公司只有原装 欢迎来电咨询。 |
询价 | ||
29 |
询价 | ||||||
22+ |
2700 |
全新原装自家现货优势! |
询价 | ||||
ST/意法 |
23+ |
CDIP16 |
13000 |
原厂授权一级代理,专业海外优势订货,价格优势、品种 |
询价 |
