參數(shù)資料
型號(hào): IBM13T8644MPE
廠商: IBM Microeletronics
英文描述: 8M x 64 PC100 SDRAM SO DIMM(Small Outline Dual In-line Memory Module)(8M x 64 PC100小外形雙列直插式同步動(dòng)態(tài)RAM模塊)
中文描述: 8米× 64蘇PC100的SDRAM的內(nèi)存(小外型雙線內(nèi)存模組)(8米× 64 PC100的小外形雙列直插式同步動(dòng)態(tài)內(nèi)存模塊)
文件頁(yè)數(shù): 12/17頁(yè)
文件大?。?/td> 437K
代理商: IBM13T8644MPE
IBM13T8644MPE
8M x 64 PC100 SDRAM SO DIMM
Preliminary
IBM Corporation. All rights reserved.
Use is further subject to the provisions at the end of this document.
Page 12 of 17
45L7072.E93888B
5/99
Mode Register Set Cycle
Symbol
Parameter
-360
(CL, t
RCD
, t
RP
= 3 / 2 / 2)
Units
Notes
Min.
Max.
t
RSC
Mode Register Set Cycle Time
2
CLK
1
1. These parameters account for the number of clock cycle and depend on the operating frequency of the clock, as follows:
the number of clock cycles = specified value of timing / clock period (count fractions as a whole number).
Read Cycle
Symbol
Parameter
-360
(CL, t
RCD
, t
RP
= 3 / 2 / 2)
Units
Notes
Min.
Max.
t
OH
Data Out Hold Time
3
ns
t
LZ
Data Out to Low Impedance Time
0
ns
t
HZ3
Data Out to High Impedance Time
3
6
ns
1
t
HZ2
Data Out to High Impedance Time
3
8
ns
1
t
DQZ
DQM Data Out Disable Latency
2
CLK
1
1. Referenced to the time at which the output achieves the open circuit condition, not to output voltage level.
Refresh Cycle
Symbol
Parameter
-360
(CL, t
RCD
, t
RP
= 3 / 2 / 2)
Units
Notes
Min.
Max.
t
REF
Refresh Period
64
ms
1
t
SREX
Self Refresh Exit Time
10
ns
1. 4096 auto refresh cycles.
Write Cycle
Symbol
Parameter
-360
(CL, t
RCD
, t
RP
= 3 / 2 / 2)
Units
Min.
Max.
t
DS
Data In Set-up Time
2
ns
t
DH
Data In Hold Time
1
ns
t
DPL
Data Input to Precharge
15
ns
t
DAL3
Data In to Active Delay
CAS Latency = 3
5
CLK
t
DAL2
Data In to Active Delay
CAS Latency = 2
3
CLK
t
DQW
DQM Write Mask Latency
0
CLK
Discontinued (4/1/00 last order; 7/31/00 - last ship)
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