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參數(shù)資料
| 型號： | IBM11D4320B |
| 廠商： | IBM Microeletronics |
| 英文描述： | 4M x 32 DRAM Module(4M x 32 動態(tài)RAM模塊) |
| 中文描述： | 4米× 32內存（4米× 32動態(tài)內存模塊） |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 227K |
| 代理商： | IBM11D4320B |
IBM11D4320B
IBM11D8320B
4M/8M x 32 DRAM Module
50H7993
SA14-4339-01
Revised 5/96
IBM Corporation. All rights reserved.
Use is further subject to the provisions at the end of this document.
Page 1 of 20
Features
72-Pin JEDEC Standard Single-In-Line
Memory Module
Performance:
High Performance CMOS process
Single 5V,
±
0.5V Power Supply.
All inputs & outputs are fully TTL & CMOS.
compatible.
Fast Page Mode access cycle.
Refresh Modes: RAS-Only, CBR and Hidden
Refresh .
2048 refresh cycles distributed across 32ms.
11/11 Addressing (Row/Column).
Optimized for use in byte-write, non-parity appli-
cations.
Tin/lead version only.
16MB versions in TSOP or SOJ packages.
32MB version only in SOJ package.
Description
The IBM11D8320B is a 32MB industry standard
72-pin 4-byte single in-line memory module (SIMM).
The module is organized as an 8Mx32 high speed
memory array, and is configured as two 4Mx32
banks, each independently selectable via unique
RAS inputs. The assembly is intended for use in 16,
32 and 64 bit applications. It is manufactured with
sixteen 4Mx4 devices, each in a 300mil SOJ pack-
age, and is compatible with the JEDEC 72-Pin
SIMM standard. The IBM11D4320B is a 16MB half-
populated version, manufactured with eight 4Mx4
devices, each in a 300mil TSOP or SOJ package.
The IBM 72-Pin SIMMs provide a high performance,
flexible 4-byte interface in a 4.25” long footprint.
Related products include the 8Mx36 parity SIMM,
IBM11D8360B, as well as other density offerings.
-60
-70
t
RAC
RAS Access Time
60ns
70ns
t
CAC
CAS Access Time
15ns
20ns
t
AA
Access Time From Address
30ns
35ns
t
RC
Cycle Time
110ns 130ns
t
PC
Fast Page Mode Cycle Time 40ns
45ns
Card Outline
1
36 37
72
IBM11D4320B4M x 3211/11, 5.0V, Sn/PbMMDS13DSU-011041020. IBM11D8320B8M x 3211/11, 5.0V, Sn/PbMMDS13DSU-011041020.
Discontinuted (9/98 - last order; 3/99 last ship)
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