參數(shù)資料
型號(hào): KM4132G271BTQ(R)-7
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 128K x 32bit x 2 Banks Synchronous Graphic RAM LVTTL
中文描述: 128K的x 32位× 2銀行同步圖形RAM的LVTTL
文件頁數(shù): 47/51頁
文件大?。?/td> 1033K
代理商: KM4132G271BTQ(R)-7
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
t
RC
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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