參數(shù)資料
型號： IBM11N1645L
廠商： IBM Microeletronics
英文描述： 1M x 64 DRAM Module(1M x 64 動態(tài)RAM模塊)
中文描述： 100萬× 64內(nèi)存（100萬× 64動態(tài)內(nèi)存模塊）
文件頁數(shù)： 6/31頁
文件大?。?/td> 565K
代理商： IBM11N1645L
IBM11N1645L
IBM11N1735Q
1M x 64/72 DRAM Module
IBM Corporation. All rights reserved.
Use is further subject to the provisions at the end of this document.
Page 6 of 31
50H8035
SA14-4630-05
Revised 3/97
Serial Presence Detect
SPD Entry Value
Serial PD Data Entry (Hexadecimal)
Byte #
Description
0
Number of Serial PD Bytes Written during Production
128
80
08
02
0A
0A
01
4000
4800
01
3C
0F
11
00
02
00
10
00
04
00
cc
1
Total Number of Bytes in Serial PD device
256
2
Fundamental Memory Type
EDO
3
Number of Row Addresses on Assembly
10
4
Number of Column Addresses on Assembly
10
5
Number of DIMM Banks
1
6 - 7
Data Width of Assembly
1M x 64
x64
1M x 72
x72
8
Voltage Interface Level of this Assembly
LVTTL
9
RAS Access
60ns
10
CAS Access
15ns
17ns
11
DIMM Configuration Type
1M x 64
Non-Parity
1M x 72
ECC
12
Assembly Refresh Rate/Type
Normal 15.6us
13
Primary DRAM Data Width
x16
14
Error Checking DRAM Width
1M x 64
N/A
1M x 72
x4
15 - 62
63
64 - 71
Reserved
Checksum for bytes 0 - 62
Manufacturers’ JEDEC ID Code
Undefined
Checksum Data
IBM
Toronto, Canada
Vimercate, Italy
ASCII ‘11N1645LB”R”-60J’
ASCII ‘11N1645LB”R”-6RJ’
ASCII ‘11N1735QB”R”-60J’
ASCII ‘11N1735QB”R”-6RJ’
“R” plus ASCII blank
Week/Year Code
Serial Number
Undefined
Undefined
A400000000000000
91
53
72
Module Manufacturing Location
73 - 90
Module Part Number
1M x 64
1M x 64
1M x 72
1M x 72
31314E313634354C42rr2D36304A20202020
31314E313634354C42rr2D36524A20202020
31314E313733355142rr2D36304A20202020
31314E313733355142rr2D36524A20202020
rr20
wwyy
ssssssss
00
00
91 - 92
93 - 94
95 - 98
99 - 127
128 - 255 Open for Customer Use
cc = Checksum Data byte, 00-FF (Hex)
“R” = Alphanumeric revision code, A-Z, 0-9
rr = ASCII coded revision code byte “R”
ww = Binary coded decimal week code, 01-52 (Decimal)
01-34 (Hex)
yy = Binary coded decimal year code, 00-99 (Decimal)
00-63 (Hex)
ss = Serial number data byte, 00-FF (Hex)
Module Revision Code
Module Manufacturing Date
Module Serial Number
Reserved
Discontinued (9/98 - last order; 3/99 last ship)
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