M74HCT688M1R STMicroelectronics, M74HCT688M1R Datasheet - Page 2

• Manufacturer Part Number: M74HCT688M1R
• Manufacturer: STMicroelectronics
• Type: Identity Comparatorr

Specifications of M74HCT688M1R

• Logic Family: HCT
• Technology: CMOS
• High Level Output Current: -4mA
• Low Level Output Current: 4mA
• Output Function: A=B
• Package Type: SOP
• Quiescent Current: 4uA
• Mounting: Surface Mount
• Pin Count: 20
• Polarity: Inverting
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• Operating Temperature (max): 125C
• Operating Temperature (min): -55
• Operating Temperature Classification: Military
• Number Of Bits: 8
• Lead Free Status / RoHS Status: Not Compliant

M74HCT688
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
X: Don’t Care
LOGIC DIAGRAM
This logic diagram has not be used to estimate propagation delays
2/9
P <> Q
P = Q
P, Q
X
INPUTS
G
H
L
L
PIN DESCRIPTION
2, 4, 6, 8, 11,
3, 5, 7, 9, 12,
13, 15, 17
14, 16, 18
PIN No
19
10
20
1
SYMBOL
Q0 to Q7
P0 to P7
P = Q
GND
V
G
CC
Enable Input (Active
LOW)
Word Inputs
Word Outputs
Equal to Output
Ground (0V)
Positive Supply Voltage
NAME AND FUNCTION
OUTPUT
P = Q
H
H
L