m74hc294 STMicroelectronics, m74hc294 Datasheet - Page 2

• Manufacturer Part Number: m74hc294
• Description: Programmable Divider/timer
• Manufacturer: STMicroelectronics

M74HC294
INPUT AND OUTPUT EQUIVALENT CIRCUIT
(TOTEM POLE OUTPUT)
PIN DESCRIPTION
TRUTH TABLE
2/11
1, 2, 14, 15
PIN No
CLR
4, 5
16
H
H
H
H
11
L
3
7
8
CLK1, CLK2
SYMBOL
CLK1
A to E
GND
CLR
X
H
X
L
Vcc
TP
Q
Input Clock
Program Inputs
Test Point Outputs
Clear (Active LOW)
Output
Ground (0V)
Positive Supply Voltage
INPUT AND OUTPUT EQUIVALENT CIRCUIT
(OPEN DRAIN OUTPUT)
CLK2
X
X
H
L
NAME AND FUNCTION
Q OUTPUT MODE
CLEARED TO L
NO CHANGE
UP COUNT