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參數(shù)資料
| 型號： | M48T37V-10MH6TR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 時鐘/數(shù)據(jù)恢復及定時提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO44 |
| 封裝： | 0.330 INCH, ROHS COMPLIANT, PLASTIC, SOH-44 |
| 文件頁數(shù)： | 30/30頁 |
| 文件大?。?/td> | 515K |
| 代理商： | M48T37V-10MH6TR |
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M48T37Y, M48T37V
Operation modes
Doc ID 7019 Rev 9
9/30
met, valid data will be available after the latter of the chip enable access time (tELQV) or
output enable access time (tGLQV).
The state of the eight three-state data I/O signals is controlled by E and G. If the outputs are
activated before tAVQV, the data lines will be driven to an indeterminate state until tAVQV.
If the address inputs are changed while E and G remain active, output data will remain valid
for output data hold time (tAXQX) but will be indeterminate until the next address access.
Figure 4.
READ mode AC waveforms
Note:
WRITE enable (W) = high.
AI00925
tAVAV
tAVQV
tAXQX
tELQV
tELQX
tEHQZ
tGLQV
tGLQX
tGHQZ
VALID
A0-A14
E
G
DQ0-DQ7
VALID
Table 3.
READ mode AC characteristics
Symbol
Parameter(1)
1.
Valid for ambient operating temperature: TA = 0 to 70 °C or –40 to 85 °C; VCC = 4.5 to 5.5 V or 3.0 to 3.6 V
(except where noted).
M48T37Y
M48T37V
Unit
–70
–100
Min
Max
Min
Max
tAVAV
READ cycle time
70
100
ns
tAVQV
Address valid to output valid
70
100
ns
tELQV
Chip enable low to output valid
70
100
ns
tGLQV
Output enable low to output valid
35
50
ns
tELQX
(2)
2.
CL = 5 pF.
Chip enable low to output transition
5
10
ns
tGLQX
Output enable low to output transition
5
ns
tEHQZ
Chip enable high to output Hi-Z
25
50
ns
tGHQZ
Output enable high to output Hi-Z
25
40
ns
tAXQX
Address transition to output transition
10
ns
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| M48T513Y-70CS1 | 0 TIMER(S), REAL TIME CLOCK, PDSO32 |
| M48T513Y-85CS1 | 0 TIMER(S), REAL TIME CLOCK, PDSO32 |
| M48T559YMH1F | REAL TIME CLOCK, PDSO28 |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| M48T37V-70MH1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 256 Kbit 32Kb x8 TIMEKEEPER SRAM |
| M48T37V-70MH1E | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 256 Kbit 32Kb x8 TIMEKEEPER SRAM |
| M48T37V-70MH1F | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 256 Kbit 32Kb x8 TIMEKEEPER SRAM |
| M48T37V-70MH1TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 256 Kbit 32Kb x8 TIMEKEEPER SRAM |
| M48T37V-70MH6 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 256 Kbit 32Kb x8 TIMEKEEPER SRAM |
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