參數(shù)資料
型號: KM48S8020B
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 4M x 8Bit x 2 Banks Synchronous DRAM(4M x 8位 x 2組同步動態(tài)RAM)
中文描述: 4米× 8位× 2銀行同步DRAM(4米× 8位× 2組同步動態(tài)RAM)的
文件頁數(shù): 33/43頁
文件大?。?/td> 604K
代理商: KM48S8020B
ELECTRONICS
REV. 2 Mar. '98
TIMING DIAGRAM - II
CMOS SDRAM
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
Page Write Cycle at Different Bank @Burst Length=4
HIGH
Row Active
(A-Bank)
Row Active
(B-Bank)
Write
(A-Bank)
Write
(B-Bank)
: Don't care
*Note :
1. To interrupt burst write by Row precharge, DQM should be asserted to mask invalid input data.
2. To interrupt burst write by Row precharge, both the write and the precharge banks must be the same.
Write
(A-Bank)
tRDL
Precharge
(Both Banks)
tCDL
Write
(B-Bank)
*Note 1
BA
DQ
ADDR
CAS
RAS
CS
CKE
CLOCK
WE
DQM
A
10
/AP
RAa
CAa
CBb
CAc
CBd
RAa
*Note 2
DAa0
DAa1
DAa2
DAa3
DBb0
DBb1
DBb2
DBb3
DAc0
DAc1
DBd0
DBd1
RBb
RBb
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