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參數(shù)資料
| 型號： | IBM13T8644MPD |
| 廠商： | IBM Microeletronics |
| 英文描述： | Two Bank 8M x 64 SDRAM SO DIMM（Small Outline Dual In-line Memory Module）(2組 8M x 64 PC100小外形雙列直插同步動態(tài)RAM模塊) |
| 中文描述： | 兩銀行8米× 64 SDRAM的內(nèi)存蘇（小外形雙列直插內(nèi)存模塊）（2組8米× 64 PC100的小外形雙列直插同步動態(tài)內(nèi)存模塊） |
| 文件頁數(shù)： | 6/17頁 |
| 文件大小： | 265K |
| 代理商： | IBM13T8644MPD |
IBM13T8644MPD
Two Bank 8M x 64 SDRAM SO DIMM
IBM Corporation. All rights reserved.
Use is further subject to the provisions at the end of this document.
Page 6 of 17
45L7124.E93903A
5/99
29
Minimum RAS to CAS delay (t
RCD
)
30ns
1E
30
Minimum RAS Pulse width (t
RAS
)
60ns
3C
31
Module Bank Density
32MB
08
32
Address and Command Setup Time Before Clock
3.0ns
30
33
Address and Command Hold Time After Clock
1.0ns
10
34
Data Input Setup Time Before Clock
3.0ns
30
35
Data Input Hold Time After Clock
1.0ns
10
36 - 61
Reserved
Undefined
00
62
SPD Revision
02
02
63
Checksum for bytes 0 - 62
Checksum Data
cc
1
64 - 71
Manufacturers’ JEDEC ID Code
IBM
A400000000000000
72
Module Manufacturing Location
Toronto, Canada
91
Vimercate, Italy
53
73 - 90
Module Part Number
ASCII ‘13T8644MP”R”-10T’
313354383634344D50rr
2D33363054202020
2, 3
91 - 92
Module Revision Code
“R” plus ASCII blank
rr20
93 - 94
Module Manufacturing Date
Year/Week Code
yyww
4, 5
95 - 98
Module Serial Number
Serial Number
ssssssss
6
99 - 125
Reserved
Undefined
00
126
Module Supports this Clock Frequency
66MHz
66
127
Attributes for Clock Frequency defined in byte 126
2, 3
C7
128 - 255
Open for Customer Use
Undefined
00
Serial Presence Detect (Part 2 of 2)
Byte #
Description
SPD Entry Value
Serial PD Data Entry
(Hexadecimal)
Notes
1. cc = Checksum Data byte, 00-FF (Hex)
2. “R” = Alphanumeric revision code, A-Z, 0-9
3. rr = ASCII coded revision code byte “R”
4. yy = Binary coded decimal year code, 00-99 (Decimal)
‘
00-63 (Hex)
5. ww = Binary coded decimal week code, 01-52 (Decimal)
‘
01-34 (Hex)
6. ss = Serial number data byte, 00-FF (Hex)
Discontinued (4/1/00 last order; 7/31/00 - last ship)
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