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參數(shù)資料
| 型號： | MCM321024SG20 |
| 廠商： | MOTOROLA INC |
| 元件分類： | DRAM |
| 英文描述： | 1M x 32 Bit Fast Static RAM Module |
| 中文描述： | 4M X 8 MULTI DEVICE SRAM MODULE, 20 ns, SMA72 |
| 封裝： | SIMM-72 |
| 文件頁數(shù)： | 7/8頁 |
| 文件大?。?/td> | 80K |
| 代理商： | MCM321024SG20 |
MCM321024
7
MOTOROLA FAST SRAM
WRITE CYCLE 2
(E Controlled, See Notes 1 and 2)
MCM321024–20
MCM321024–25
Parameter
Symbol
Min
Max
Min
Max
Unit
Notes
Write Cycle Time
tAVAV
tAVEL
tAVEH
tELEH
tELWH
tWLEH
tDVEH
tEHDX
tEHAX
20
—
25
—
ns
3
Address Setup Time
0
—
0
—
ns
Address Valid to End of Write
15
—
17
—
ns
Enable to End of Write
15
—
17
—
ns
4,5
Enable to End of Write
15
—
17
—
ns
Write Pulse Width
15
—
17
—
ns
Data Valid to End of Write
10
—
10
—
ns
Data Hold Time
0
—
0
—
ns
Write Recovery Time
0
—
0
—
ns
NOTES:
1. A write occurs during the overlap of E low and W low.
2. E1 – E4 are represented by E in these timing specifications, any combination of Exs may be asserted. G is a don’t care when W is low.
3. All write cycle timing is referenced from the last valid address to the first transitioning address.
4. If E goes low coincident with or after W goes low, the output will remain in a high impedance condition.
5. If E goes high coincident with or before W goes high, the output will remain in a high impedance condition.
WRITE CYCLE 2
DATA VALID
HIGH–Z
tAVAV
tAVEH
tAVEL
tELEH
tELWH
tEHAX
tWLEH
tDVEH
tEHDX
A (ADDRESS)
Ex (BYTE ENABLE)
W (WRITE ENABLE)
D (DATA IN)
Q (DATA OUT)
Motorola Memory Prefix
Part Number
ORDERING INFORMATION
(Order by Full Part Number)
MCM
321024
XX
XX
Full Part Numbers — MCM321024SG20
MCM321024SG25
Package (SG = Gold Pad SIMM)
Speed (20 = 20 ns, 25 = 25 ns)
相關PDF資料 |
PDF描述 |
|---|---|
| MCM321024SG25 | 1M x 32 Bit Fast Static RAM Module |
| MCM321024 | 1M x 32 Bit Fast Static RAM Module |
| MCM6709BJ10 | 64K x 4 Bit Static RAM |
| MCM6709BJ10R | 64K x 4 Bit Static RAM |
| MCM6709BJ12 | 64K x 4 Bit Static RAM |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MCM321024SG25 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:1M x 32 Bit Fast Static RAM Module |
| MCM32200 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:2M x 32 Bit Dynamic Random Access Memory Module |
| MCM32200S10 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:2M x 32 Bit Dynamic Random Access Memory Module |
| MCM32200S80 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:2M x 32 Bit Dynamic Random Access Memory Module |
| MCM32200SG10 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:2M x 32 Bit Dynamic Random Access Memory Module |
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