參數(shù)資料
型號： KM4132G271B
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)： 46/51頁
文件大?。?/td> 1033K
代理商： KM4132G271B
KM4132G271B
CMOS SGRAM
- 46
Rev. 2.4 (May 1998)
0
1
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6
ó
7
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12
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19
Self Refresh Entry & Exit Cycle
Self Refresh Entry
*Note :
TO ENTER SELF REFRESH MODE
1. CS, RAS & CAS with CKE should be low at the same clock cycle.
2. After 1 clock cycle, all the inputs including the system clock can be don
′
t care except for CKE.
3. The device remains in self refresh mode as long as CKE stays
"Low".
cf.) Once the device enters self refresh mode, minimum
t
RAS
is required before exit from self refresh.
TO EXIT SELF REFRESH MODE
4. System clock restart and be stable before returning CKE high.
5. CS starts from high.
6. Minimum
t
RC
is required after CKE going high to complete self refresh exit.
7. 1K cycle of burst auto refresh is required before self refresh entry and after self refresh exit
*Note 1
*Note 7
ó
ó
ó
ó
ó
ó
ó
ó
ó
ó
ó
ó
ó
Hi-Z
ó
ó
ó
ó
ó
ó
Hi-Z
ó
ó
ó
ó
ó
ó
ó
ó
ó
ó
ó
ó
ó
ó
ó
ó
ó
ó
Self Refresh Exit
Auto Refresh
t
SS
*Note 2
*Note 3
*Note 4
t
RC
min.
*Note 6
*Note 5
A
9
DQ
ADDR
CAS
RAS
CS
CKE
CLOCK
WE
DQM
A
8
ó
ó
ó
ó
DSF
*Note 7
t
SS
: Don
′
t care
相關(guān)PDF資料
PDF描述
KM4132G271BQ(R)-10 128K x 32bit x 2 Banks Synchronous Graphic RAM LVTTL
KM4132G271BQ(R)-7 128K x 32bit x 2 Banks Synchronous Graphic RAM LVTTL
KM4132G271BQ(R)-8 128K x 32bit x 2 Banks Synchronous Graphic RAM LVTTL
KM4132G271BTQ-8 128K x 32bit x 2 Banks Synchronous Graphic RAM LVTTL
KM4132G512 256K x 32Bit x 2 Banks Synchronous Graphic RAM(256K x 32位 x 2組同步圖形 RAM)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
KM4132G271BQ(R)-10 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:128K x 32bit x 2 Banks Synchronous Graphic RAM LVTTL
KM4132G271BQ(R)-7 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:128K x 32bit x 2 Banks Synchronous Graphic RAM LVTTL
KM4132G271BQ(R)-8 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:128K x 32bit x 2 Banks Synchronous Graphic RAM LVTTL
KM4132G271BQ-10 制造商:Samsung Semiconductor 功能描述: 制造商:Samsung Semiconductor 功能描述:SGRAM, 2X128KX32, 100 Pin, Plastic, QFP 制造商:SEC 功能描述:SGRAM, 2X128KX32, 100 Pin, Plastic, QFP
KM4132G271BQR-10 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:128K x 32bit x 2 Banks Synchronous Graphic RAM LVTTL
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