參數(shù)資料
型號: IBMN625804GT3B
廠商: IBM Microeletronics
英文描述: 256Mb Double Data Rate Synchronous DRAM(256M位雙數(shù)據(jù)速率同步動態(tài)RAM)
中文描述: 256MB雙數(shù)據(jù)速率同步DRAM(256M位雙數(shù)據(jù)速率同步動態(tài)RAM)的
文件頁數(shù): 71/79頁
文件大?。?/td> 1328K
代理商: IBMN625804GT3B
I
I
P
2
2
1
U
P
B
t
HZ
(max)
t
LZ
(max)
t
RPRE
t
HZ
(min)
t
RPST
t
LZ
(min)
t
RPRE
t
IH
t
IS
BA x
t
IH
t
IS
t
IH
t
IS
t
IH
t
IS
NOP
t
IH
t
IS
t
CL
t
CH
t
CK
Read
NOP
PRE
NOP
NOP
ACT
NOP
NOP
BA x*
VALID
ACT
RA
RA
BA x
DO n
CK
CK
CKE
Command
A10
BA0, BA1
DM
DQS
DQ
DQS
DQ
t
DQSCK
(max)
CL=2
Don’t Care
Case 1:
t
AC
/t
DQSCK
= min
Case 2:
t
AC
/t
DQSCK
= max
t
RPST
t
AC
(max)
t
LZ
(max)
t
DQSCK
(min)
t
AC
(min)
DO n
COL n
RA
ALL BANKS
RA
ONE BANK
DIS AP
BA x
t
RP
DO n = data out from column n.
3 subsequent elements of data out are provided in the programmed order following DO n.
DIS AP = disable Auto Precharge.
*
= Don't care if A10 is High at this point.
PRE = Precharge; ACT = Active; RA = Row address; BA = Bank address.
NOP commands are shown for ease of illustration; other commands may be valid at these times.
t
RCD
A0-A9, A11, A12
t
RAS
t
RC
t
LZ
(min)
相關(guān)PDF資料
PDF描述
ICM7321 SINGLE 12/10/8-BIT VOLTAGE-OUTPUT DACS
ICM7321M SINGLE 12/10/8-BIT VOLTAGE-OUTPUT DACS
ICM7321MG SINGLE 12/10/8-BIT VOLTAGE-OUTPUT DACS
ICM7321S SINGLE 12/10/8-BIT VOLTAGE-OUTPUT DACS
ICM7321SG SINGLE 12/10/8-BIT VOLTAGE-OUTPUT DACS
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