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參數(shù)資料
| 型號： | M48T37V-70MH6E |
| 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： | REAL TIME CLOCK, PDSO44 |
| 封裝： | 0.330 INCH, ROHS COMPLIANT, PLASTIC, SOIC-44 |
| 文件頁數(shù)： | 16/29頁 |
| 文件大?。?/td> | 276K |
| 代理商： | M48T37V-70MH6E |
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M48T37Y, M48T37V
DC and AC parameters
Table 12.
Power down/up AC characteristics
Table 13.
Power down/up trip points DC characteristics
Note:
All voltages referenced to VSS.
Symbol
Parameter(1)
1.
Valid for Ambient Operating Temperature: TA = 0 to 70°C or –40 to 85°C; VCC = 4.5 to 5.5V or 3.0 to 3.6V (except where
noted).
Min
Max
Unit
tF
(2)
2.
VPFD (max) to VPFD (min) fall time of less than tF may result in deselection/write protection not occurring until 200s after
VCC passes VPFD (min).
VPFD (max) to VPFD (min) VCC Fall Time
300
s
tFB
(3)
3.
VPFD (min) to VSS fall time of less than tFB may cause corruption of RAM data
VPFD (min) to VSS VCC Fall Time
10
s
tR
VPFD (min) to VPFD (max) VCC Rise Time
10
s
tRB
VSS to VPFD (min) VCC Rise Time
1
s
tREC
(4)(4)
4.
tREC (min) = 20ms for Industrial Temperature Range - Grade 6 device.
VPFD (max) to RST High
40
200
ms
Symbol
Parameter(1)
1.
Valid for Ambient Operating Temperature: TA = 0 to 70°C or –40 to 85°C; VCC = 4.5 to 5.5V or 3.0 to 3.6V (except where
noted).
Min
Typ
Max
Unit
VPFD
Power-fail Deselect Voltage
M48T37Y
4.2
4.4
4.5
V
M48T37V
2.7
2.9
3.0
V
VSO
Battery Back-up Switchover Voltage
M48T37Y
VBAT
V
M48T37V
VPFD –100mV
V
tDR
(2)
2.
At 25°C, VCC = 0V.
Expected Data Retention Time
Grade 1
5
7
YEARS
Grade 6
10(3)
3.
Using larger M4T32-BR12SH6 SNAPHAT top (recommended for Industrial Temperature Range - Grade 6 device).
YEARS
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M48T37V-70MH6 | 0 TIMER(S), REAL TIME CLOCK, PDSO44 |
| M48T37Y-70MH1F | 0 TIMER(S), REAL TIME CLOCK, PDSO44 |
| M48T37Y-70MH6TR | 0 TIMER(S), REAL TIME CLOCK, PDSO44 |
| M48T37Y-70MH1E | 0 TIMER(S), REAL TIME CLOCK, PDSO44 |
| M48T37V-10MH1E | 0 TIMER(S), REAL TIME CLOCK, PDSO44 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M48T37V-70MH6F | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 256 Kbit 32Kb x8 TIMEKEEPER SRAM |
| M48T37V-70MH6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 256 Kbit 32Kb x8 TIMEKEEPER SRAM |
| M48T37VMH | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 256 Kbit 32Kb x8 TIMEKEEPER SRAM |
| M48T37VSH | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 256 Kbit 32Kb x8 TIMEKEEPER SRAM |
| M48T37Y | 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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