M74HC4538M1R STMicroelectronics, M74HC4538M1R Datasheet - Page 2

• Manufacturer Part Number: M74HC4538M1R
• Manufacturer: STMicroelectronics

Specifications of M74HC4538M1R

• Logic Family: HC
• High Level Output Current: -5.2mA
• Low Level Output Current: 5.2mA
• Quiescent Current: 4uA
• Number Of Elements: 2
• Operating Temperature Classification: Military
• Operating Supply Voltage (max): 6V
• Operating Supply Voltage (typ): 2.5/3.3/5V
• Operating Temperature (max): 125C
• Technology: CMOS
• Abs. Propagation Delay Time: 375ns
• Operating Supply Voltage (min): 2V
• Lead Free Status / RoHS Status: Compliant

M74HC4538
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
X : Don’t Care
SYSTEM DIAGRAM
This logic diagram has not be used to estimate propagation delays
2/11
A
X
H
X
L
INPUTS
B
H
X
X
L
CD
H
H
H
H
L
Q
L
L
L
OUTPUTS
PIN DESCRIPTION
Q
H
H
H
PIN No
1, 15
2, 14
3, 13
4, 12
5, 11
6, 10
7, 9
16
8
1CD, 2CD
SYMBOL
1T1, 2T1
1T2, 2T2
1A, 2A
Q1, Q2
Q1, Q2
1B, 2B
GND
Vcc
OUTPUT ENABLE
OUTPUT ENABLE
INHIBIT
INHIBIT
INHIBIT
External Capacitor Con-
nections
External Resistor/
Capacitor Connections
Direct Reset Inputs
(Active Low)
Trigger Inputs (LOW to
HIGH, Edge-Triggered)
Trigger Inputs (HIGH to
LOW, Edge Triggered)
Pulse Outputs
Complementary Pulse
Outputs
Ground (0V)
Positive Supply Voltage
NOTE
NAME AND FUNCTION