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| 型號(hào)： | IBM13T8644HPC |
| 廠商： | IBM Microeletronics |
| 英文描述： | 8M x 64 SDRAM SO DIMM（Small Outline Dual In-line Memory Modules）(8M x 64 144腳小外形雙列直插同步動(dòng)態(tài)RAM模塊) |
| 中文描述： | 8米× 64 SDRAM的內(nèi)存蘇（小外形雙列直插式內(nèi)存模塊）（8米× 64 144腳小外形雙列直插同步動(dòng)態(tài)內(nèi)存模塊） |
| 文件頁(yè)數(shù)： | 11/17頁(yè) |
| 文件大?。?/td> | 325K |
| 代理商： | IBM13T8644HPC |
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IBM13T8644HPB
IBM13T8644HPC
8M x 64 SDRAM SO DIMM
01L5951.E24562B
5/99
IBM Corporation. All rights reserved.
Use is further subject to the provisions at the end of this document.
Page 11 of 17
Common Parameters
Symbol
Parameter
10
Units
Notes
Min.
Max.
t
CS
Command Setup Time
3
—
ns
t
CH
Command Hold Time
1
—
ns
t
AS
Address and Bank Select Setup Time
3
—
ns
t
AH
Address and Bank Select Hold Time
1
—
ns
t
RCD
RAS to CAS Delay
30
—
ns
1
t
RC
Bank Cycle Time
90
ns
1
t
RAS
Active Command Period
60
100000
ns
1
t
RP
Precharge Time
30
—
ns
1
t
RRD
Bank to Bank Delay Time
20
—
ns
1
t
CCD
CAS to CAS Delay Time
1
—
CK
1. These parameters account for the number of clock cycles 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).
Mode Register Set Cycle
Symbol
Parameter
10
Units
Notes
Min.
Max.
t
RSC
Mode Register Set Cycle Time
20
—
ns
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
10
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
7
ns
1
t
HZ2
Data Out to High Impedance Time
3
8
ns
1
t
DQZ
DQM Data Out Disable Latency
2
—
CK
1. Referenced to the time at which the output achieves the open circuit condition, not to output voltage levels.
Discontinued (8/99 - last order; 12/99 - last ship)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| IBM13T8644HPD | One Bank 8M x 64 SDRAM SO DIMM（Small Outline Dual In-line Memory Module）(1組 8M x 64 PC100小外形雙列直插同步動(dòng)態(tài)RAM模塊) |
| IBM13T8644HPE | One Bank 8M x 64 SDRAM SO DIMM（Small Outline Dual In-line Memory Module）(1組 8M x 64 PC100小外形雙列直插式同步動(dòng)態(tài)RAM模塊) |
| IBM13T8644MPD | 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(dòng)態(tài)RAM模塊) |
| IBM13T8644MPE | 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) |
| IBM13V25649AN | 256K x 64 SGRAM SO DIMM（Small Outline Dual In-line Memory Modules）(256K x 64 144腳小外形雙列直插同步圖形RAM模塊) |
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