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UPD424260G5-70-7JF fiches techniques PDF

NEC - CMOS 4M Bit DRAM

Numéro de référence UPD424260G5-70-7JF
Description CMOS 4M Bit DRAM
Fabricant NEC 
Logo NEC 





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UPD424260G5-70-7JF fiche technique
∗∗∗∗∗
C-MOS 4M (262,144 x 16) BIT DYNAMIC RAM
-TOP VIEW-
1 VDD
(+5V)
I/O1 IN/OUT 2
I/O2 IN/OUT 3
I/O3 IN/OUT 4
I/O4 IN/OUT 5
6
VDD
(+5V)
I/O5 IN/OUT 7
I/O6 IN/OUT 8
I/O7 IN/OUT 9
I/O8 IN/OUT 10
GND 44
43 I/O16 IN/OUT
42 I/O15 IN/OUT
41 I/O14 IN/OUT
40 I/O13 IN/OUT
GND 39
38 I/O12 IN/OUT
37 I/O11 IN/OUT
36 I/O10 IN/OUT
35 I/O9 IN/OUT
UPD424260G5-70-7JF(1/2)
IL16
18 A0
19 A1
20 A2
21 A3
24 A4
25 A5
26 A6
27 A7
28 A8
16 RAS
30 UCAS
31 LCAS
15 WE
29 OE
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
I/O8
I/O9
I/O10
I/O11
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
13 NC
NC 32
14 NC
31 LCAS IN
WE IN 15
30 UCAS IN
RAS IN 16
29 OE IN
17 NC
28 A8 IN
A0 IN 18
27 A7 IN
A1 IN 19
26 A6 IN
A2 IN 20
w A3 IN 21
ww 22 VDD
.DataSheet4U.com(+5V)
25 A5 IN
24 A4 IN
GND 23
A0-8 ; ADDRESS INPUTS
I/O1-16 ; DATA INPUTS/OUTPUTS
RAS ; ROW ADDRESS STROBE INPUT
UCAS ; COLUMN ADDRESS STROBE (UPPER) INPUT
LCAS ; COLUMN ADDRESS STROBE (LOWER) INPUT
WE ; WRITE ENABLE INPUT
OE ; OUTPUT ENABLE INPUT

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