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參數資料
| 型號： | MCM6227BWJ35R2 |
| 廠商： | MOTOROLA INC |
| 元件分類： | SRAM |
| 英文描述： | 1M x 1 Bit Static Random Access Memory |
| 中文描述： | 1M X 1 STANDARD SRAM, 35 ns, PDSO28 |
| 封裝： | 0.400 INCH, SOJ-28 |
| 文件頁數： | 5/8頁 |
| 文件大小： | 147K |
| 代理商： | MCM6227BWJ35R2 |
MCM6227B
5
MOTOROLA FAST SRAM
WRITE CYCLE 1
(W Controlled, See Notes 1 and 2)
6227B–15
6227B–17
6227B–20
6227B–25
6227B–35
Parameter
Symbol
Min
Max
Min
Max
Min
Max
Min
Max
Min
Max
Unit
Notes
Write Cycle Time
tAVAV
tAVWL
tAVWH
15
—
17
—
20
—
25
—
35
—
ns
3
Address Setup Time
0
—
0
—
0
—
0
—
0
—
ns
Address Valid to End of
Write
12
—
14
—
15
—
17
—
20
—
ns
Write Pulse Width
tWLWH,
tWLEH
12
—
14
—
15
—
17
—
20
—
ns
Data Valid to End of
Write
tDVWH
7
—
8
—
8
—
10
—
11
—
ns
Data Hold TIme
tWHDX
tWLQZ
0
—
0
—
0
—
0
—
0
—
ns
Write Low to Data
High–Z
—
6
—
7
—
7
—
8
—
8
ns
4, 5, 6
Write High to Output
Active
tWHQX
5
—
5
—
5
—
5
—
5
—
ns
4, 5, 6
Write Recovery Time
tWHAX
0
—
0
—
0
—
0
—
0
—
ns
NOTES:
1. A write occurs during the overlap of E low and W low.
2. Product sensitivities to noise require proper grounding and decoupling of power supplies as well as minimization or elimination of bus con-
tention conditions during read and write cycles.
3. All timings are referenced from the last valid address to the first transitioning address.
4. Transition is measured
±
500 mV from steady–state voltage with load of Figure 1b.
5. This parameter is sampled and not 100% tested.
6. At any given voltage and temperature, tWLQZ max is less than tWHQX min both for a given device and from device to device.
WRITE CYCLE 1
(W Controlled See Notes 1 and 2)
tAVWH
tWLQZ
tWHAX
tDVWH
A (ADDRESS)
E (CHIP ENABLE)
W (WRITE ENABLE)
D (DATA IN)
Q (DATA OUT)
DATA VALID
HIGH–Z
HIGH–Z
tAVAV
tAVWL
tWLEH
tWLWH
tWHDX
tWHQX
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相關代理商/技術參數 |
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| MCM6229A | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:256K X 4 BIT STATIC RANDOM ACCESS MEMORY |
| MCM6229A-20 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:256K X 4 BIT STATIC RANDOM ACCESS MEMORY |
| MCM6229A-25 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:256K X 4 BIT STATIC RANDOM ACCESS MEMORY |
| MCM6229A-35 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:256K X 4 BIT STATIC RANDOM ACCESS MEMORY |
| MCM6229A-45 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:256K X 4 BIT STATIC RANDOM ACCESS MEMORY |
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