Datasheet

SN74S225
16 × 5 ASYNCHRONOUS FIRST-IN, FIRST-OUT MEMORY
WITH 3-STATE OUTPUTS
SDLS207B – SEPTEMBER 1976 – REVISED APRIL 1998
9
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
UNCK
IR
D0
D1
D2
D3
UNCK
OR
Q0
Q1
Q2
Q3
CLR
IR
D4
OE
Q4
OUT
IN
CLKB
CLKA
(high)
UNCK
IR
D0
D1
D2
D3
UNCK
OR
Q0
Q1
Q2
Q3
CLR
D4
OE
Q4
OUT
IN
CLKB
CLKA
(high)
UNCK
IR
D0
D1
D2
D3
UNCK
OR
Q0
Q1
Q2
Q3
CLR
D4
OE
Q4
OUT
IN
CLKB
CLKA
UNCK
IR
D0
D1
D2
D3
UNCK
OR
Q0
Q1
Q2
Q3
CLR
D4
OE
Q4
OUT
IN
CLKB
CLKA
UNCK
IR
D0
D1
D2
D3
UNCK
OR
Q0
Q1
Q2
Q3
CLR
D4
OE
Q4
OUT
IN
CLKB
CLKA
UNCK
IR
D0
D1
D2
D3
UNCK
OR
Q0
Q1
Q2
Q3
CLR
D4
OE
Q4
OUT
IN
CLKB
CLKA
(high)
(high)
(high)
(high)
NC NC
NC NC
NC
CLR
NC
CLK
OR
UNCK IN
OE
5-Bit
Data
In
5-Bit
Data
Out
5-Bit
Data
In
5-Bit
Data
Out
Figure 3. Word-Width Expansion: 48 × 10 Bits