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UPD424260G5-70-7JF(1/2) IL16
C-MOS 4M (262,144 x 16) BIT DYNAMIC RAM
-TOP VIEW18 A0 A1 A2 A3 A4 A5 A6 A7 A8 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7 I/O8 I/O9 I/O10 I/O11 16 30 RAS UCAS LCAS WE OE I/O12 I/O13 I/O14 I/O15 I/O16 2 3 4 5 7 8 9 10 35 36 37 38 40 41 42 43
1 I/O1 IN/OUT 2 I/O2 IN/OUT 3 I/O3 IN/OUT 4 I/O4 IN/OUT 5 6 I/O5 IN/OUT 7 I/O6 IN/OUT 8 I/O7 IN/OUT 9 I/O8 IN/OUT 10
VDD (+5V)
GND 44 43 I/O16 IN/OUT 42 I/O15 IN/OUT 41 I/O14 IN/OUT 40 I/O13 IN/OUT
19 20 21 24 25 26 27 28
VDD (+5V)
GND 39 38 I/O12 IN/OUT 37 I/O11 IN/OUT 36 I/O10 IN/OUT 35 I/O9 IN/OUT
31 15 29
13 NC 14 NC WE IN 15 RAS IN 16 17 NC A0 IN 18 A1 IN 19
NC 32 31 LCAS IN 30 UCAS IN 29 OE IN
27 A7 IN 26 A6 IN 25 A5 IN 24 A4 IN VDD (+5V) GND 23 A0-8 ; ADDRESS INPUTS I/O1-16 ; DATA INPUTS/OUTPUTS RAS ; ROW AD