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C-MOS 7K (910 x 8)-BIT FIFO MEMORY
—TOP VIEW—
24 D0 D1 D2 D3 D4 D5 D6 D7 Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
UPD42101G-3 IL00
1 2 3 4 9 10 11 12
Q0 Q1 Q2 Q3
OUT
1 2 3 4 5 6 7 GND
24 D0 23 D1 22 D2 21 D3 20 WE
IN
23 22
OUT
IN
21 16
OUT
IN
15 14
OUT
IN
13
RE RSTR
IN
IN
8 17 IN 19
RCK WCK
IN
19 RSTW VDD (+5V) 18 17 WCK 16 D4 15 D5 14 D6 13 D7
IN
RSTW RSTR RE 5 WE 20
6 IN
RCK Q4 Q5 Q6 Q7
IN
8 9 10 11 12
OUT
OUT
IN
OUT
IN
OUT
IN
D0 –D7 Q0 –Q7 WCK RCK WE RE RSTW RSTR
; ; ; ; ; ; ; ;
DATA INPUTS DATA OUTPUTS WRITE CLOCK INPUT READ CLOCK INPUT WRITE ENABLE INPUT READ ENABLE INPUT RESET WRITE INPUT RESET READ INPUT
WCK 17 20 WE D0 D1 D2 D3 D4 D5 D6 D7 24
WRITE ADDRESS POINTER
19
RSTW
1
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
22 21 16 15 14 13
OUTPUT BUFFER
23
2 3 4 9
UPD42101G-3 Datasheet
