km4132g271a-8 Samsung Semiconductor, Inc., km4132g271a-8 Datasheet - Page 44
km4132g271a-8
Manufacturer Part Number
km4132g271a-8
Description
128k 32bit Banks Synchronous Graphic
Manufacturer
Samsung Semiconductor, Inc.
Datasheet
1.KM4132G271A-8.pdf
(48 pages)
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KM4132G271A
CLOCK
ADDR
DQM
CKE
RAS
CAS
DSF
WE
DQ
CS
Mode Register Set Cycle
* Both banks precharge should be completed before Mode Register Set cycle and auto refresh cycle.
*Note :
0
1
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.
MODE REGISTER SET CYCLE
MRS
Key
*Note 2
*Note 3
*Note 1
2
Command
New
Ra
HIGH
Hi-Z
3
4
5
6
7
8
Auto Refresh Cycle
9
Auto Refresh
10
11
HIGH
12
Hi-Z
13
t
14
RC
Rev.0 (August 1997)
15
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CMOS SGRAM
16
17
New Command
: Don't care
18
19
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