54ACT520DMQB. National Semiconductor, 54ACT520DMQB. Datasheet - Page 7

• Manufacturer Part Number: 54ACT520DMQB.
• Manufacturer: National Semiconductor

Specifications of 54ACT520DMQB.

• Lead Free Status / RoHS Status: Not Compliant

DSCC FORM 2234
APR 97
DEFENSE SUPPLY CENTER COLUMBUS
O
A0 – A7 = Word A inputs
B0 – B7 = Word B inputs
I
A=B
A=B
MICROCIRCUIT DRAWING
COLUMBUS, OHIO 43218-3990
=Expansion or enable inputs
= Identity output
Terminal number
Case outlines
Device types
STANDARD
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
H = High voltage level
L = Low voltage level
* = A0 = B0, A1 = B1, A2 = B2, . . ., A7 = B7
I
A=B
H
H
L
L
FIGURE 1. Terminal connections.
Terminal symbol
Inputs
Device types 01, 02, 03, and 04
R, S, and 2
01 and 02
FIGURE 2. Truth table.
GND
O
I
V
A0
B0
A1
B1
A2
B2
A3
B3
A4
B4
A5
B5
A6
B6
A7
B7
A=B
A=B
CC
A = B*
A = B*
A ≠ B
A ≠ B
A, B
SIZE
A
Terminal symbol
GND
O
V
I
B1
A1
B0
A0
B7
A7
B6
A6
B5
A5
B4
A4
B3
A3
B2
A2
REVISION LEVEL
A=B
R
A=B
CC
Outputs
O
H
H
H
L
A=B
03 and 04
B
Terminal symbol
GND
O
I
V
B3
A3
B2
A2
B1
A1
B0
A0
B7
A7
B6
A6
B5
A5
B4
A4
A=B
2
A=B
CC
SHEET
5962-89793
7