參數(shù)資料
型號: KM48S2020C
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 1M x 8Bit x 2 Banks Synchronous DRAM(1M x 8位 x 2組同步動(dòng)態(tài)RAM)
中文描述: 1M × 8位× 2銀行同步DRAM(1米× 8位× 2組同步動(dòng)態(tài)RAM)的
文件頁數(shù): 29/44頁
文件大?。?/td> 605K
代理商: KM48S2020C
TIMING DIAGRAM - I
CMOS SDRAM
ELECTRONICS
REV. 4 Nov. '97
0
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19
*Note :
1. All inputs except CKE & DQM can be don
2. Bank active & read/write are controlled by BA.
t care when CS is high at the CLK high going edge.
3. Enable and disable auto precharge function are controlled by A10/AP in read/write command.
BA
0
1
0
1
Operation
Disable auto precharge, leave bank A active at end of burst.
Disable auto precharge, leave bank B active at end of burst.
Enable auto precharge, precharge bank A at end of burst.
Enable auto precharge, precharge bank B at end of burst.
4. A10/AP and BA control bank precharge when precharge command is asserted.
A10/AP
BA
0
1
Active & Read/Write
Bank A
Bank B
BA
0
1
X
Precharge
Bank A
Bank B
Both Banks
A10/AP
0
0
1
0
1
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