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KM4132G271B Folha de dados(PDF) 47 Page - Samsung semiconductor

Nome de Peças KM4132G271B
Descrição Electrónicos  128K x 32bit x 2 Banks Synchronous Graphic RAM LVTTL
PDF  51 Pages
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Fabricante Electrônico  SAMSUNG [Samsung semiconductor]
Página de início  http://www.samsung.com/Products/Semiconductor
Logo SAMSUNG - Samsung semiconductor

KM4132G271B Folha de dados(HTML) 47 Page - Samsung semiconductor

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KM4132G271B
CMOS SGRAM
- 47
Rev. 2.4 (May 1998)
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
Mode Register Set Cycle
HIGH
Auto Refresh
*Note :
1. CS, RAS, CAS, & WE activation and DSF of low at the same clock cycle with address key will set internal
mode register.
2. Minimum 1 clock cycles should be met before new RAS activation.
3. Please refer to Mode Register Set table.
New
Command
New Command
Hi-Z
Hi-Z
tRC
HIGH
MODE REGISTER SET CYCLE
* Both banks precharge should be completed before Mode Register Set cycle and auto refresh cycle.
Auto Refresh Cycle
DQ
ADDR
CAS
RAS
CS
CKE
CLOCK
WE
DQM
Key
Ra
*Note 3
*Note 1
*Note 2
¡ó
¡ó
¡ó
¡ó
¡ó
¡ó
¡ó
¡ó
¡ó
¡ó
¡ó
¡ó
¡ó
¡ó
¡ó
DSF
¡ó
¡ó
MRS
: Don
′t care



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