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參數(shù)資料
| 型號： | M48T129V-85PM1 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 時鐘/數(shù)據(jù)恢復(fù)及定時提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDIP32 |
| 封裝： | PLASTIC, MODULE, DIP-32 |
| 文件頁數(shù)： | 16/30頁 |
| 文件大?。?/td> | 524K |
| 代理商： | M48T129V-85PM1 |
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M48T129Y, M48T129V
Figure 16. Power Down/Up Mode AC Waveforms
Table 11. Power Down/Up AC Characteristics
Note: 1. Valid for Ambient Operating Temperature: TA = 0 to 70°C; VCC = 4.5 to 5.5V or 3.0 to 3.6V (except where noted).
2. VPFD (max) to VPFD (min) fall time of less than tF may result in deselection/write protection not occurring until 200s after VCC pass-
es VPFD (min).
3. VPFD (min) to VSS fall time of less than tFB may cause corruption of RAM data.
Table 12. Power Down/Up Trip Points DC Characteristics
Note: 1. All voltages referenced to VSS.
2. Valid for Ambient Operating Temperature: TA = 0 to 70°C; VCC = 4.5 to 5.5V or 3.0 to 3.6V (except where noted).
3. At 25°C; VCC = 0V.
Symbol
Parameter(1)
Min
Max
Unit
tF
(2)
VPFD (max) to VPFD (min) VCC Fall Time
300
s
tFB
(3)
VPFD (min) to VSS VCC Fall Time
M48T129Y
10
s
M48T129V
150
s
tR
VPFD (min) to VPFD (max) VCC Rise Time
0s
tRB
VSS to VPFD (min) VCC Rise Time
1s
tREC
VPFD (max) to RST High
40
200
ms
Symbol
Parameter(1,2)
Min
Typ
Max
Unit
VPFD
Power-fail Deselect Voltage
M48T129Y
4.2
4.35
4.5
V
M48T129V
2.7
2.9
3.0
V
VSO
Battery Back-up Switchover Voltage
M48T129Y
3.0
V
M48T129V
VPFD –100mV
tDR
(3)
Expected Data Retention Time
10
YEARS
AI01805
VCC
INPUTS
OUTPUTS
DON'T CARE
HIGH-Z
tF
tFB
tR
tRB
VALID
RECOGNIZED
VPFD (max)
VPFD (min)
VSO
tREC
RST
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M48T129VPM | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T129VSH | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T129Y | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.3V, 1 Mbit (128 Kbit x 8) TIMEKEEPER SRAM |
| M48T129Y_05 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.3V, 1 Mbit (128 Kbit x 8) TIMEKEEPER SRAM |
| M48T129Y_10 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.3 V, 1 Mbit (128 Kbit x 8) TIMEKEEPER?? SRAM |
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