參數(shù)資料
型號(hào)： IBM11M16730C
廠商： IBM Microeletronics
英文描述： 16M x 72 DRAM MODULE(工業(yè)標(biāo)準(zhǔn)168腳 8位雙列直插式動(dòng)態(tài)RAM模塊（16M x 72高速存儲(chǔ)器陣列結(jié)構(gòu)）)
中文描述： 1,600 × 72的DRAM模組（工業(yè)標(biāo)準(zhǔn)168腳8位雙列直插式動(dòng)態(tài)內(nèi)存模塊（1,600 × 72高速存儲(chǔ)器陣列結(jié)構(gòu)））
文件頁(yè)數(shù)： 1/26頁(yè)
文件大?。?/td> 481K
代理商： IBM11M16730C
IBM11M16730B
IBM11M16730C
16M x 72 DRAM MODULE
07H1729
SA14-4633-04
Revised 3/97
IBM Corporation. All rights reserved.
Use is further subject to the provisions at the end of this document.
Page 1 of 26
Features
168 Pin JEDEC Standard, 8 Byte Dual In-line
Memory Module
16Mx72 Fast Page Mode DIMM
S
Performance:
All inputs and outputs are LVTTL compatible
Single 3.3V,
±
0.3V Power Supply
Au contacts
Optimized for ECC applications
System Performance Benefits:
- Buffered inputs (except RAS, Data)
- Reduced noise (32 V
SS
/V
CC
pins)
- 4 Byte Interleave enabled
- Buffered PDs
Fast Page Mode, Read-Modify-Write Cycles
Refresh Modes: RAS-Only, CBR and Hidden
Refresh
CAS before RAS Refresh / RAS only Refresh
- 4096 cycles
12/12 or 13/11 addressing (Row/Column)
Card size: 5.25" x 1.25" x 0.354"
DRAMS in SOJ Package
Description
IBM11M16730B/C are industry standard 168-pin
8-byte Dual In-line Memory Modules (DIMMs) which
are organized as 16Mx72 high speed memory
arrays for ECC applications. The DIMMs use18
16Mx4 DRAMs in SOJ packages.
Improved system performance is provided by the
on-DIMM buffering of selected input signals. The
specified timings include all buffer, net and skew
delays, which simplifies the memory subsystem
design analysis. The data and
RAS
signals are not
buffered, which preserves the DRAM access speci-
fications of 60ns.
Presence Detect (PD) and Identification Detect (ID)
bits provide information about the DIMM density,
addressing, performance and features. PD bits can
be dotted at the system level and activated for each
DIMM position using the PD enable (PDE) signal.
ID bits also allow detection of card features, and
may be dot-or’d at the system level to provide infor-
mation for the entire DIMM bank. For example, the
system will determine that ECC DIMMs are installed
if PD8 is low (0). ID0 need not be sensed since both
x72 and x80 ECC DIMMs will function in a x72
bank.
All IBM 168-pin DIMMs provide a high performance,
flexible 8-byte interface in a 5.25” long space-sav-
ing footprint. Related products are the x64 and x72
parity (5V) DIMMs and ECC DIMMs (5V and 3.3V).
-60
t
RAC
RAS Access Time
60ns
t
CAC
CAS Access Time
20ns
t
AA
Access Time From Address
35ns
t
RC
Cycle Time
110ns
t
PC
Fast Page Mode Cycle Time
40ns
Card Outline
1
85
10
94
11
95
40
124
41
125
84
168
(Front)
(Back)
IBM11M16730B16M x 72 E12/12, 3.3V, AuMMDL18DSU-001020926. IBM11M16730C16M x 72 E13/11, 3.3V, AuMMDL18DSU-001020926.
Discontinued (9/98 - last order; 3/99 - last ship)
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