參數(shù)資料
型號(hào): K4C561638C-TCD3
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 256Mb Network-DRAM
中文描述: 256Mb的網(wǎng)絡(luò)內(nèi)存
文件頁(yè)數(shù): 17/42頁(yè)
文件大小: 880K
代理商: K4C561638C-TCD3
K4C5608/1638C 256Mb Network-DRAM
REV. 0.7 Aug. 2003
- 17 -
D0
D1
D2
D3
LAL
(after WRA)
CK
CK
Input
(Control &
Addresses)
DQS
(Input)
DQ
(Input)
t
IPW
t
IS
t
IH
t
CH
t
CL
t
CK
t
DQSS
t
DSPRES
t
DSP
t
DSP
t
DSP
t
DSPST
t
DSS
t
DSPSTH
Postamble
Preamble
t
DSPRE
t
DS
t
DSS
t
DH
t
DS
t
DH
t
DS
t
DH
t
DQSS
Write Timing (Burst Length = 4)
CAS latency = 3
D0
D1
D2
D3
DQS
(Input)
DQ
(Input)
t
DSPRES
t
DSP
t
DSP
t
DSP
t
DSPST
t
DSS
t
DSPSTH
Postamble
Preamble
t
DSPRE
t
DSS
t
DS
t
DH
t
DIPW
t
DS
t
DH
t
DS
t
DH
t
DQSS
CAS latency = 4
t
DSS
t
DQSS
Note. The correspondence of LDQS, UDQS to DQ. (K4C561638C-TC)
LDQS
DQ0 to 7
UDQS
DQ8 to 15
Command
CK
CK
Input
(Control &
Addresses)
t
IS
t
IH
tREFI, tPAUSE, Ixxxx Timing
t
IS
t
IH
Command
t
REFI,
t
PAUSE,
I
XXXX
Note. "
I
XXXX
"means "
I
RC
", "
I
RCD
", "
I
RAS
", etc.
~
~
t
DIPW
t
DSPREH
t
DSPREH
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