74HC190FP 查看數據表（PDF） - Hitachi -> Renesas Electronics

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产品描述 (功能)

生产厂家

74HC190FP

Synchronous Up/Down Decade Counter with Single Clock Line

Hitachi -> Renesas Electronics 

HD74HC190/HD74HC191

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)

Pin Arrangement

Inputs Data B 1

Outputs

QB 2

QA 3

Inputs

Enable G 4

Down/Up 5

Outputs

QC 6

QD 7

GND 8

B

QB

A

QA

CK

G

Ripple

Clock

Dn/Up Max/Min

QC Load

QD D C

(Top view)

16 VCC

15 Data A

14 Clock

Inputs

13

Ripple

Clock

12 Max/Min

Outputs

11 Load

10 Data C Inputs

9 Data D

2

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