參數(shù)資料
型號: K4C561638C-TCD4000
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: Aluminum Electrolytic Radial Lead High Ripple, Long Life Capacitor; Capacitance: 47uF; Voltage: 200V; Case Size: 12.5x20 mm; Packaging: Bulk
中文描述: 256Mb的網(wǎng)絡(luò)內(nèi)存
文件頁數(shù): 33/42頁
文件大?。?/td> 880K
代理商: K4C561638C-TCD4000
K4C5608/1638C 256Mb Network-DRAM
REV. 0.7 Aug. 2003
- 33 -
WRA
LAL
DESL
DESL
or
WRA
D0
D1
D2
D3
D1
0
1
2
3
4
5
6
7
8
9
n-1
n
n+1
n+2
CLK
CLK
Command
PD
BL=4
DQS
(Input)
DQ
(Input)
BL=2
DQS
(Input)
DQ
(Input)
x
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
I
RDA
= 1 cycle
WL=3
2 clock cycles
I
RC
(min), t
REFI
(max)
t
IH
t
IS
I
PD
= 1 cycle
D0
Power Down Entry
Power Down Exit
t
PDEX
Power Down Timing (CL=4)
Write cycle to Power Down Mode
Note :
"x" is don’t care.
PD must be kept "High" level until WL+2 clock cycles from LAL command.
PD should be brought to high within t
REFI(max)
to maintain the data written into cell.
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