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Details, datasheet, quote on part number:HM514260ALJ8Z
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Datasheet text preview:
I HM514260ALJ8Z(1/2) L22
C-MOS 4 M (262,144 W x 16)-BIT DYNAMIC RAM
--TOP VIEW--
16 A0 A1 A2 A3 A4 A5 A6 A7 R8 I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7 I/O8 I /O9 24 L AS I/O10 I/O11 3 2 4 5 7 8 9 1 30 31 32 33 34 36 37 38 9
I I/O0 I/O1 I/O2 I/O3
1 VDD 3 2 4 5 6 7 NDD
3 GND 40 I 39 I/O15 38 I/O14 37 I/O13 36 I/O12 ND 35 34 I/O11 33 I/O10 32 I/O9 31 LO8 / G C 20 29
17 18 29 22 23 24 25 16
I/O4 I/O5
8 9
I/O6 1 W /O7 10 11 NC 12 NC
29 18
UCAS W AS C
I/O12 I/O13 I/O14
23
OE E
/O15
CAS IN
7
E IN 13 RAS IN 14
A
28 UCAS IN 27 OE IN 26 A8 IN 25 A7 IN 24 A6 IN 23 A5 IN 22 A4 IN
DD
15 V C 0 IN 16
A INPUT 0 - A8 L
: ADDRESS (ROW/REFRESH : A0 - A8, COLUMN : A0 - A8) COLUMN ADDRESS STROBE OUTPUT ENABLE ROW ADDRESS STROBE COLUMN ADDRESS STROBE READ/WRITE INPUT
A1 IN 17 A2 IN 18 A3 IN 29 0
ND 1
CAS OE RAS UCAS IE W
: : : : : : INPUT/OUTPUT /O0 - I/O15 DATA INPUT/OUTPUT
16 - 19 22 - 26
256 K MEMORY D ROW ECODER ARRAY MAT I/O BUS & COLUMN DECODER SELECTOR SELECTOR
D RO W 256 K MEMORY ECODER ARRAY MAT I/O BUS & COLUMN DECODER
A0 - A8
(9)
RE W
13
L AS
24
PEC IPHERAL R IRCUIT
UCAS
29
256 K MEMORY ARRAY MAT D ROW ECODER 256 K MEMORY ARRAY MAT I/O BUS & COLUMN DECODER SELECTOR 256 K MEMORY D ROW ECODER ARRAY MAT SELECTOR
256 K MEMORY ARRAY MAT D RO W ECODER 256 K MEMORY ARRAY MAT I/O BUS & COLUMN DECODER D RO W 256 K MEMORY ECODER ARRAY MAT
COS A
28
E
7
2 - 5, 7 - 10, 31 - 34, 36 - 39
HM514260ALJ8Z(2/2)
I/O0 - I/O15 BUFFER
(16)
I/O0 - I/O15
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