IBM11D1475B IBM11D2475B
IBM11E1475B IBM11E2475B
1M/2M x 32 Desktop ECC-on-SIMM
Hyper Page Mode (Extended Data Out) Cycle
-6R
Symbol
Parameter
Units
Notes
Min.
10
25
5
Max.
10K
—
tHCAS
tHPC
CAS Pulse Width (EDO Mode)
ns
ns
ns
ns
ns
ns
ns
ns
EDO Mode Cycle Time (Read/Write)
Data-out Hold Time from CAS
tDOH
tWHZ
tWPZ
tCPRH
tCPA
—
Output buffer Turn-Off Delay from WE
WE Pulse Width to Output Disable at CAS High
RAS Hold Time from CAS Precharge
Access Time from CAS Precharge
EDO Mode RAS Pulse Width
0
10
10
35
—
60
—
—
35
1, 2
tRASP
125K
1. Access time assumes a load of 50pF at VOL = 0.8V and VOH = 2.0V.
2. Access time is determined by the latter of tRAC, tCAC, tCPA, tAA.
Refresh Cycle
-6R
Symbol
Parameter
Units
Notes
Min
10
Max
CAS Hold Time
tCHR
tCSR
tWRP
tWRH
—
—
—
—
ns
ns
ns
ns
(CAS before RAS Refresh Cycle)
CAS Setup Time
5
(CAS before RAS Refresh Cycle)
WE Setup Time
10
10
(CAS before RAS Refresh Cycle)
WE Hold Time
(CAS before RAS Refresh Cycle)
tRPC
tREF
RAS Precharge to CAS Hold Time
Refresh Period
5
—
ns
—
16
ms
1
1. 1024 refreshes are required every 16ms.
©IBM Corporation. All rights reserved.
Use is further subject to the provisions at the end of this document.
75H3507
SA14-4343-00
Released 6/96
Page 9 of 22
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