Datasheet

SN74S225
16 × 5 ASYNCHRONOUS FIRST-IN, FIRST-OUT MEMORY
WITH 3-STATE OUTPUTS
SDLS207B – SEPTEMBER 1976 – REVISED APRIL 1998
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
D0
D1
D2
D3
D4
CLKA
CLKB
UNCK
IR
CLR
OUT
Q0
Q1
Q2
Q3
Q4
OE
OR
UNCK
IN
Data Inputs
Data Outputs
4
5
6
7
8
1
19
3
2
18
C1
1D
R
Word 16
(last word)
Word 1
(first word)
Word 2Word 15
Words 3 – 14
Same as 2 or 15
Same as D10
Same as Q0
15
14
13
12
11
9
17
16
functional block diagram