FEDS82V16520A-01
OKI Semiconductor
MS82V16520A
REVISION HISTORY
Page
Previous Current
Document
No.
Date
Description
Edition
Edition
PEDS82V16520A-01
Nov. 2001
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–
Preliminary first edition
Changed the subtitle from “2262,144-Word ×
32-Bit × 2-Bank SDRAM” to “262,144-Word ×
32-Bit × 2-Bank SGRAM”.
1
4
1
4
Changed the table in “PRODUCT FAMILY”
Changed Note 3 to Note 4 and added Note 3.
Added symbol “CKE” in headers “Auto
Refresh Command” and “Self Refresh
Entry/Exit Command”.
Added Section “Write with Auto Precharge
Command (CS, CAS, WE = “Low”, RAS, A9 =
“High”).
5
5
Added Sections “Read with Auto Precharge
Command (CS, CAS = “Low”, RAS, WE, A9 =
“High”) and “Burst Stop Command (CS, WE =
“Low”, RAS, CAS = “High”).
Added the contents of Functions “Read with
Auto Precharge” and “Write with Auto
Precharge”.
6
7
6
7
Partially changed the contents of Column
“Address”.
8
8
8
9
Current State “Precharging (PRE)” has been
moved to page 9 and changed partially.
PEDS82V16520A-02
Apr. 26, 2002
Added Current States “Read with Auto Pre-
charge (RAP)” and “Write with Auto Pre-
charge (WAP)”.
9
9
Partially changed the content of Column
“Address” in Current State “Refreshing
(REF)”.
Partially changed the content of POWER ON
SEQUENCE 4.
11
15
11
15
Changed the heading from “Burst Read
Termination ---“ to “Burst Write Termination
---“ and partially changed the timing diagram.
Changed the content of Note.
Changed “BL = 2, 4, 8, Full” to “BL = Full” in
two diagrams.
16
–
16
17
Added Section “AUTO PRECHARGE”.
Added Sentences shown with “Caution” in the
Absolute Maximum Ratings section.
17
18
Added asterisks “*” in the symbol column in
the table of the Capacitance section and
added the sentence shown with asterisk “*”.
38/40
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