參數(shù)資料
型號: IBM0164165P
廠商: IBM Microeletronics
英文描述: 4M x 16 13/9 EDO DRAM(4M x 16 動態(tài)RAM(超頁面模式讀寫并帶22條地址線,其中13條為行地址選通,9條為列地址選通))
中文描述: 4米× 16 13 / 9 EDO公司的DRAM(4米× 16動態(tài)隨機(jī)存儲器(超頁面模式讀寫并帶22條地址線,其中13條為行地址選通,9條為列地址選通))
文件頁數(shù): 3/28頁
文件大小: 480K
代理商: IBM0164165P
IBM0164165B
IBM0164165P
4M x 16 13/9 EDO DRAM
88H2012
GA14-4251-02
Revised 11/97
IBM Corporation. All rights reserved.
Use is further subject to the provisions at the end of this document.
Page 3 of 28
Truth Table
Function
RAS
LCAS
UCAS
WE
OE
Row
Address
Column
Address
I/O0 - I/O15
Standby
H
H
X
H
X
X
X
X
X
High Impedance
Read: Word
L
L
L
H
L
Row
Col
Data Out
Read: Lower Byte
L
L
H
H
L
Row
Col
Lower Byte: Data Out
Upper Byte: High-Z
Read: Upper Byte
L
H
L
H
L
Row
Col
Lower Byte: High-Z
Upper Byte: Data Out
Write: Word
Early-Write
L
L
L
L
X
Row
Col
Data In
Write: Lower Byte
Early-Write
L
L
H
L
X
Row
Col
Lower Byte: Data In
Upper Byte: High-Z
Write: Upper Byte
Early-Write
L
H
L
L
X
Row
Col
Lower Byte: High-Z
Upper Byte: Data In
Read-Modify-Write
L
L
L
H
L
L
H
Row
Col
Data Out, Data In
EDO (Hyper Page) Mode
Read
1st Cycle
L
H
L
H
L
H
L
Row
Col
Data Out
2nd Cycle
L
H
L
H
L
H
L
N/A
Col
Data Out
EDO (Hyper Page) Mode
Write
1st Cycle
L
H
L
H
L
L
X
Row
Col
Data In
2nd Cycle
L
H
L
H
L
L
X
N/A
Col
Data In
EDO (Hyper Page) Mode
Read-Modify-Write
1st Cycle
L
H
L
H
L
H
L
L
H
Row
Col
Data Out, Data In
2nd Cycle
L
H
L
H
L
H
L
L
H
N/A
Col
Data Out, Data In
RAS-Only Refresh
L
H
H
X
X
Row
N/A
High Impedance
CAS-Before-RAS Refresh
H
L
L
L
H
X
X
N/A
High Impedance
Hidden Refresh
Read
L
H
L
L
L
H
L
Row
Col
Data Out
Write
L
H
L
L
L
L
X
Row
Col
Data In
Self Refresh (LP version only)
H
L
L
L
H
X
X
X
High Impedance
Discontinued (8/98 - last order; 12/98 last ship)
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