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Numéro de référence | LH64256BK-60 | ||
Description | CMOS 4-Bit DRAM | ||
Fabricant | ETC | ||
Logo | |||
1 Page
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C-MOS 256 4 BITS DYNAMIC RAM
– TOP VIEW–
I/O1 1
I/O2 2
WE 3
RAS 4
www.DataSheet4U.com
5 NC
GND 26
25 I/O4
24 I/O3
23 CAS
22 OE
A0 9
A1 10
A2 11
A3 12
13 VDD(+5V)
18 A8
17 A7
16 A6
15 A5
14 A4
LH64256BK-60
IL08
9
A0
10
A1
11
A2
12
A3
14
A4
15
A5
16
A6
17
A7
18
A8
4
RAS
23
CAS
3
WE
22
OE
1
I/O 1
2
I/O 2
24
I/O 3
25
I/O 4
INPUT
A0 - A8
RAS
CAS
WE
OE
; ADDRESS
; ROW ADDRESS STROBE
; COLUMN ADDRESS STROBE
; WRITE ENABLE (H : READ, L : WRITE)
; DATA OUTPUT ENABLE
INPUT/OUTPUT
I/O 1 - I/O 4 ; DATA
22
OE
3
WE
23
CAS
4
RAS
RAS CLOCK
GENERATOR
CAS CLOCK
GENERATOR
OE CLOCK
GENERATOR
R/W CLOCK
GENERATOR
SENSE AMP.
I/O GATE
DATA OUTPUT
BUFFER
DATA INPUT
BUFFER
MEMORY
ARRAY
1,048,576 BITS
COLUMN DECODER
REFRESH
CONTROLLER
ROW
ADDRESS
COUNTER
ADDRESS
BUFFER
1
I/O 1
2
I/O 2
24
I/O 3
25
I/O 4
9
A0
10
A1
11
A2
12
A3
14
A4
15
A5
16
A6
17
A7
18
A8
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Pages | Pages 1 | ||
Télécharger | [ LH64256BK-60 ] |
No | Description détaillée | Fabricant |
LH64256BK-60 | CMOS 4-Bit DRAM | ETC |
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www.DataSheetWiki.com | 2020 | Contactez-nous | Recherche |