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參數資料
| 型號： | M48T35Y-70PC6 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 時鐘/數據恢復及定時提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDIP28 |
| 封裝： | 0.600 INCH, CAPHAT, PLASTIC, DIP-28 |
| 文件頁數： | 6/26頁 |
| 文件大?。?/td> | 349K |
| 代理商： | M48T35Y-70PC6 |
M48T35, M48T35Y
14/26
Table 9. Power Down/Up AC Characteristics
Note: 1. Valid for Ambient Operating Temperature: TA = 0 to 70 or –40 to 85°C; VCC = 4.75 to 5.5V or 4.5 to 5.5V (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.
4. tREC (min) = 20ms for industrial temperature Grade 6 device.
Table 10. Power Down/Up Trip Points DC Characteristics
Note: 1. Valid for Ambient Operating Temperature: TA = 0 to 70 or –40 to 85°C; VCC = 4.75 to 5.5V or 4.5 to 5.5V (except where noted).
2. All voltages referenced to VSS.
3. CAPHAT and M4T32-BR12SH1 SNAPHAT only, M4T28-BR12SH1 SNAPHAT top tDR = 7 years (typ).
4. Using larger M4T32-BR12SH6 SNAPHAT top (recommended for Industrial Temperature Range - Grade 6 device).
5. At 25°C, VCC = 0V.
Symbol
Parameter(1)
Min
Max
Unit
tPD
E or W at VIH before Power Down
0s
tF
(2)
VPFD (max) to VPFD (min) VCC Fall Time
300
s
tFB
(3)
VPFD (min) to VSS VCC Fall Time
M48T35
10
s
M48T35Y
10
s
tR
VPFD (min) to VPFD (max) VCC Rise Time
10
s
tRB
VSS to VPFD (min) VCC Rise Time
1s
tREC
(4)
VPFD (max) to Inputs Recognized
40
200
ms
Symbol
Parameter(1,2)
Min
Typ
Max
Unit
VPFD
Power-fail Deselect Voltage
M48T35
4.5
4.6
4.75
V
M48T35Y
4.2
4.35
4.5
V
VSO
Battery Back-up Switchover Voltage
M48T35
3.0
V
M48T35Y
3.0
V
tDR
(5)
Expected Data Retention Time
Grade 1
10(3)
YEARS
Grade 6
10(4)
YEARS
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相關代理商/技術參數 |
參數描述 |
|---|---|
| M48T35Y-70PC6E | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5V, 256 Kbit (32 Kb x 8) TIMEKEEPER SRAM |
| M48T35Y-70PC6F | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5V, 256 Kbit (32 Kb x 8) TIMEKEEPER SRAM |
| M48T35Y-70PC6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit 32Kb x8 TIMEKEEPER SRAM |
| M48T35Y-70PM1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5V, 256 Kbit (32 Kb x 8) TIMEKEEPER SRAM |
| M48T35Y-70PM1E | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5V, 256 Kbit (32 Kb x 8) TIMEKEEPER SRAM |
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