74HC/HCT192 Philips Semiconductors (Acquired by NXP), 74HC/HCT192 Datasheet - Page 4

• Manufacturer Part Number: 74HC/HCT192
• Description: Presettable Synchronous BCD Decade Up/down Counter
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
PIN DESCRIPTION
Note
1. LOW-to-HIGH, edge triggered
December 1990
PIN NO.
3, 2, 6, 7
4
5
8
11
12
13
14
15, 1, 10, 9
16
Presettable synchronous BCD decade
up/down counter
Fig.1 Pin configuration.
SYMBOL
Q
CP
CP
GND
PL
TC
TC
MR
D
V
CC
0
0
D
U
U
D
to D
to Q
3
3
NAME AND FUNCTION
flip-flop outputs
count down clock input
count up clock input
ground (0 V)
asynchronous parallel load input (active LOW)
terminal count up (carry) output (active LOW)
terminal count down (borrow) output (active LOW)
asynchronous master reset input (active HIGH)
data inputs
positive supply voltage
Fig.2 Logic symbol.
4
(1)
(1)
Fig.3 IEC logic symbol.
74HC/HCT192
Product specification