HD74HC190 Hitachi Semiconductor, HD74HC190 Datasheet - Page 2

• Manufacturer Part Number: HD74HC190
• Description: Synchronous Up/Down Decade/4-bit Binary Counter(Single Clock Line)
• Manufacturer: Hitachi Semiconductor

HD74HC190/HD74HC191
Features
Pin Arrangement
2
High Speed Operation: t
High Output Current: Fanout of 10 LSTTL Loads
Wide Operating Voltage: V
Low Input Current: 1 µA max
Low Quiescent Supply Current: I
Outputs
Outputs
Inputs
Inputs
Enable G
Down/Up
pd
Data B
(Clock to Q) = 22 ns typ (C
GND
CC
Q
Q
Q
Q
= 2 to 6 V
B
A
C
D
CC
1
2
3
4
5
6
7
8
(static) = 4 µA max (Ta = 25°C)
Q
Q
G
Dn/Up
Q
Q
B
A
C
D
(Top view)
D
Max/Min
B
Load
Ripple
Clock
CK
L
C
A
= 50 pF)
16
15
14
13
12
11
10
9
Ripple
Clock
V
Data A
Clock
Max/Min
Load
Data C
Data D
CC
Inputs
Outputs
Inputs