參數(shù)資料
型號(hào): KM4132G512
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 256K x 32Bit x 2 Banks Synchronous Graphic RAM(256K x 32位 x 2組同步圖形 RAM)
中文描述: 256 × 32Bit的× 2銀行同步圖形存儲(chǔ)器(256K × 32位× 2組同步圖形RAM)的
文件頁(yè)數(shù): 43/49頁(yè)
文件大?。?/td> 934K
代理商: KM4132G512
KM4132G512
CMOS SGRAM
- 44
Rev. 2.2 (June 1998)
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
Active/Precharge Power Down Mode @CAS Lantency=2, Burst Length=4
Precharge
Power-down
Entry
1. All banks should be in idle state prior to entering precharge power down mode.
2. CKE should be set high at least "1CLK +
t
SS
" prior to Row active command.
3. Cannot violate minimum refresh specification. (32ms)
*Note 1
t
SS
*Note 2
A
10
DQ
ADDR
CAS
RAS
CS
CKE
CLOCK
WE
DQM
A
9
t
SS
t
SS
ó
ó
ó
ó
ó
ó
ó
ó
ó
Ra
ó
ó
Ca
ó
ó
Ra
ó
ó
Qa0
Qa1
Qa2
ó
ó
ó
ó
ó
ó
ó
ó
ó
ó
ó
ó
ó
ó
ó
ó
ó
ó
ó
ó
ó
Active
Power-down
Entry
Active
Power-down
Exit
*Note 3
ó
DSF
ó
ó
ó
ó
t
SS
Precharge
Power-down
Exit
Row Active
Read
Precharge
: Don
t care
*Note :
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