54F280LMQB National Semiconductor, 54F280LMQB Datasheet - Page 2

• Manufacturer Part Number: 54F280LMQB
• Manufacturer: National Semiconductor

Specifications of 54F280LMQB

• Logical Function: Parity Gen/Checker
• Logic Family: F
• Number Of Elements: 1
• Number Of Bits: 9
• Propagation Delay Time: 21ns
• High Level Output Current: -1mA
• Low Level Output Current: 20mA
• Operating Supply Voltage (typ): 5V
• Package Type: CLLCC
• Operating Temp Range: -55C to 125C
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Pin Count: 20
• Mounting: Surface Mount
• Operating Temperature Classification: Military
• Technology: Bipolar
• Lead Free Status / RoHS Status: Not Compliant

Unit Loading Fan Out
Truth Table
Logic Diagram
Pin Names
I
0
O
E
–I
8
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays
Data Inputs
Odd Parity Output
Even Parity Output
Description
H
L
e
e
LOW Voltage Level
HIGH Voltage Level
HIGH Inputs
0 2 4 6 8
1 3 5 7 9
Number of
I
0
–I
HIGH LOW
8
50 33 3
50 33 3
1 0 1 0
U L
54F 74F
2
20 A
Output I
b
b
Even
Input I
H
L
1 mA 20 mA
1 mA 20 mA
b
Outputs
IH
OH
0 6 mA
I
IL
I
OL
Odd
H
L
TL F 9512– 4