參數(shù)資料
型號: IS61LPD51236A-200TQ
廠商: INTEGRATED SILICON SOLUTION INC
元件分類: SRAM
英文描述: 512K x 36, 1024K x 18 18Mb SYNCHRONOUS PIPELINED, DOUBLE CYCLE DESELECT STATIC RAM
中文描述: 512K X 36 CACHE SRAM, 3.1 ns, PQFP100
封裝: TQFP-100
文件頁數(shù): 29/29頁
文件大小: 552K
代理商: IS61LPD51236A-200TQ
Integrated Silicon Solution, Inc. — 1-800-379-4774
9
Rev. C
07/08/08
IS61VPD51236A, IS61VPD102418A, IS61LPD51236A ,IS61LPD102418A
PaRTIal TRUTH TaBlE
Function
GW
BWE
BWa
BWb
BWc
BWd
Read
H
X
Read
H
L
H
WriteByte1
H
L
H
WriteAllBytes
H
L
WriteAllBytes
L
X
TRUTH TaBlE(1-8) (1CEoption)
NEXT CYClE
aDDRESS CE
ADSP
ADSC
ADV
WRITE
OE
DQ
Deselected
None
H
X
L
X
High-Z
Read,BeginBurst
External
L
X
L
Q
Read,BeginBurst
External
L
X
H
High-Z
Write,BeginBurst
External
L
H
L
X
L
X
D
Read,BeginBurst
External
L
H
L
X
H
L
Q
Read,BeginBurst
External
L
H
L
X
H
High-Z
Read,ContinueBurst
Next
X
H
L
H
L
Q
Read,ContinueBurst
Next
X
H
L
H
High-Z
Read,ContinueBurst
Next
H
X
H
L
H
L
Q
Read,ContinueBurst
Next
H
X
H
L
H
High-Z
Write,ContinueBurst
Next
X
H
L
X
D
Write,ContinueBurst
Next
H
X
H
L
X
D
Read,SuspendBurst
Current
X
H
L
Q
Read,SuspendBurst
Current
X
H
High-Z
Read,SuspendBurst
Current
H
X
H
L
Q
Read,SuspendBurst
Current
H
X
H
High-Z
Write,SuspendBurst
Current
X
H
L
X
D
Write,SuspendBurst
Current
H
X
H
L
X
D
NOTE:
1. Xmeans“Don’tCare.”HmeanslogicHIGH.LmeanslogicLOW.
2. ForWRITE, L means one or more byte write enable signals (BWa, BWb, BWc or BWd) and BWEareLOWorGWisLOW.
WRITE
=HforallBWx, BWE, GWHIGH.
3. BWaenablesWRITEstoDQa’sandDQPa.BWbenablesWRITEstoDQb’sandDQPb.BWcenablesWRITEstoDQc’s and
DQPc.BWdenablesWRITEstoDQd’sandDQPd.DQPaandDQPbareonlyavailableonthex18andx36versions. DQPcand
DQPdareonlyavailableonthex36version.
4. AllinputsexceptOEandZZmustmeetsetupandholdtimesaroundtherisingedge(LOWtoHIGH)ofCLK.
5. Waitstatesareinsertedbysuspendingburst.
6. ForaWRITEoperationfollowingaREADoperation,OEmustbeHIGHbeforetheinputdatasetuptimeandheldHIGHduring
the input data hold time.
7. ThisdevicecontainscircuitrythatwillensuretheoutputswillbeinHigh-Zduringpower-up.
8. ADSPLOWalwaysinitiatesaninternalREADattheL-HedgeofCLK.AWRITEisperformedbysettingoneormorebytewrite
enable signals and BWELOWorGWLOWforthesubsequentL-HedgeofCLK.SeeWRITEtimingdiagramforclarification.
相關(guān)PDF資料
PDF描述
IS61LPD51236A-200TQI 512K x 36, 1024K x 18 18Mb SYNCHRONOUS PIPELINED, DOUBLE CYCLE DESELECT STATIC RAM
IS61LPD51236A-200TQLI 512K x 36, 1024K x 18 18Mb SYNCHRONOUS PIPELINED, DOUBLE CYCLE DESELECT STATIC RAM
IS61LPD51236A-250B3 512K x 36, 1024K x 18 18Mb SYNCHRONOUS PIPELINED, DOUBLE CYCLE DESELECT STATIC RAM
IS61LPD51236A-250B3I 512K x 36, 1024K x 18 18Mb SYNCHRONOUS PIPELINED, DOUBLE CYCLE DESELECT STATIC RAM
IS61LPD51236A-250TQ 512K x 36, 1024K x 18 18Mb SYNCHRONOUS PIPELINED, DOUBLE CYCLE DESELECT STATIC RAM
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