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Details, datasheet, quote on part number:HM514270AJ-7
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Datasheet text preview:
I HM514270AJ-7(1/2) L08D
C-MOS 4 M (262,144 W x 16)-BIT DRAM
--TOP VIEW-- 1 VDD I/O0 2 I/O1 3 I/O2 4 I/O3 5 6 VDD I/O4 7 I/O5 8 I/O6 9 I/O7 10 NC 11 GND 40 39 I/O15 38 I/O14 37 I/O13 36 I/O12 GND 35 34 I/O11 33 I/O10 32 I/O9 31 I/O8 NC 30 NC 29 28 CAS 27 OE 26 A8 25 A7 24 A6 23 A5 22 A4 GND 21 INPUT A0 - A8
12 13 24 27 UWE RWE OAS 16 17 18 29 22 23 24 25 16 A0 A1 A2 A3 A4 A5 A6 A7 L8 I/O0 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 /O15 3 2 4 5 7 8 9 1 30 31 32 33 34 36 37 38 9
CE 8A AS
LWE 12 UWE 13 RAS 14
15 NC A0 16 A1 17 A2 18 A3 19 20 VDD
CAS LWE OE RAS UWE
: : : : : :
ADDRESS INPUT COLUMN ADDRESS STROBE READ/WRITE INPUT OUTPUT ENABLE ROW ADDRESS STROBE READ/WRITE INPUT
INPUT/OUTPUT I/O0 - I/O15 : DATA INPUT/OUTPUT
2 - 5, 7 - 10 I/O 0 - 7
A0 - 8
LWE 13 UWE 14 RAS 28 CAS 27 OE
12
16 - 19, 22 - 26
ROW DECODER I/O 0 - 7 BUFFER SELECTOR SELECTOR ROW ROW DECODER DECODER SELECTOR SELECTOR ROW DECODER PERIPHERAL CIRCUIT ROW DECODER SELECTOR ROW ROW DECODER DECODER SELECTOR ROW DECODER I/O 8 - 15 BUFFER
31 - 34, 36 - 39 I/O 8 - 15
ROW DECODER
256 K MEMORY ARRAY MAT
256 K MEMORY ARRAY MAT I/O BUS & COLUMN DECODER 256 K MEMORY ARRAY MAT 256 K MEMORY ARRAY MAT I/O BUS & COLUMN DECODER
I/O BUS & COLUMN DECODER
256 K MEMORY ARRAY MAT
ROW ROW DECODER DECODER
256 K MEMORY ARRAY MAT
I/O BUS & COLUMN DECODER
ROW DECODER
256 K MEMORY ARRAY MAT
256 K MEMORY ARRAY MAT
PERIPHERAL CIRCUIT
PERIPHERAL CIRCUIT
ROW DECODER
256 K MEMORY ARRAY MAT
256 K MEMORY ARRAY MAT
SELECTOR
I/O BUS & COLUMN DECODER
I/O BUS & COLUMN DECODER 256 K MEMORY ARRAY MAT 256 K MEMORY ARRAY MAT
SELECTOR
256 K MEMORY ARRAY MAT
ROW ROW DECODER DECODER
256 K MEMORY ARRAY MAT
I/O BUS & COLUMN DECODER
I/O BUS & COLUMN DECODER
ROW DECODER
HM514270AJ-7(2/2)
256 K MEMORY ARRAY MAT
256 K MEMORY ARRAY MAT
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