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參數(shù)資料
| 型號： | IBM11D8480BG |
| 廠商： | IBM Microeletronics |
| 英文描述： | 8M x 36 ECC-on-SIMM（single in-line memory module）(8M x 36 片上帶可兼容的糾錯代碼的單列動態(tài)RAM模塊) |
| 中文描述： | 8米× 36 ECC的問題，上海藥物研究所（單列直插式內(nèi)存模塊）（8米× 36片上帶可兼容的糾錯代碼的單列動態(tài)內(nèi)存模塊） |
| 文件頁數(shù)： | 1/18頁 |
| 文件大?。?/td> | 242K |
| 代理商： | IBM11D8480BG |
IBM11D8480BG
IBM11E8480BG
8M x 36 ECC-on-SIMM
26H2528
Revised 10/98
IBM Corporation. All rights reserved.
Use is further subject to the provisions at the end of this document.
Page 1 of 18
Features
72-Pin JEDEC-Standard Single In-Line
Memory Module
Performance:
Single-error-correct (SEC) high-speed ECC
algorithm
Single 5.0V
±
0.25V Power Supply
All inputs & outputs are fully TTL & CMOS
compatible
Fast Page Mode access cycle
Refresh Modes: RAS-Only and CBR
2048 refresh cycles distributed across 32ms
11/11 Addressing (Row/Column)
Provides ECC and retrofits to standard x36
socket
Au and Sn/Pb versions available
Description
The IBM11D8480BG / IBM11E8480BG is a 32MB
industry standard 72-pin 4-byte single in-line mem-
ory module (SIMM) that has a fully functional, retro-
fittable and plug-compatible on-board error-
correcting-code (ECC). The ECC function is com-
pletely self-contained and transparent to the system.
The module is manufactured with 24 4M x 4 DRAMS
and 4 ECC ASICs. The ECC-on-SIMM module cor-
rects single-bit errors that may occur in any byte of
SIMM data. It is recommended for systems that run
critical applications but do not have native ECC. This
family of SIMMs (2M x 36, 4M x 36, and 8M x 36)
provides the memory reliability required by these
applications with no performance penalty.
-70
t
RAC
RAS Access Time
70ns
t
CAC
CAS Access Time
20ns
t
AA
Access Time From Address
35ns
t
RC
Cycle Time
130ns
t
PC
Fast Page Mode Cycle Time 45ns
Card Outline
1
36 37
72
IBM11D8480BA8M x 36 EOS11/11, 5.0V, Sn/Pb. IBM11E8480BA8M x 36 EOS11/11, 5.0V, Au.
Discontinued (7/00 - last order; 9/00 - last ship)
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