74AC521PCNL Fairchild Semiconductor, 74AC521PCNL Datasheet - Page 2

• Manufacturer Part Number: 74AC521PCNL
• Manufacturer: Fairchild Semiconductor
• Type: Identity Comparatorr

Specifications of 74AC521PCNL

• Logic Family: AC
• Technology: CMOS
• High Level Output Current: -24mA
• Low Level Output Current: 24mA
• Output Function: A=B
• Quiescent Current: 4uA
• Mounting: Through Hole
• Pin Count: 20
• Polarity: Inverting
• Abs. Propagation Delay Time: 12.5ns
• Operating Supply Voltage (typ): 2.5/3.3/5V
• Operating Supply Voltage (max): 6V
• Operating Supply Voltage (min): 2V
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Operating Temperature Classification: Industrial
• Number Of Bits: 8
• Lead Free Status / RoHS Status: Compliant

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Truth Table
H
L
Note 1: A
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.
Applications
LOW Voltage Level
HIGH Voltage Level
0
I
A
H
H
L
L
B
0
B
, A
1
Inputs
B
1
, A
A
A
A
A
2
B
B (Note 1)
B (Note 1)
2
, etc.
A, B
Outputs
O
A
H
H
H
L
Parallel Expansion
Ripple Expansion
B
2
Logic Diagram