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參數(shù)資料
| 型號(hào)： | M48T559YMH1F |
| 廠(chǎng)商： | STMICROELECTRONICS |
| 元件分類(lèi)： | 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取 |
| 英文描述： | REAL TIME CLOCK, PDSO28 |
| 封裝： | 0.330 INCH, LEAD FREE, PLASTIC, SOH-28 |
| 文件頁(yè)數(shù)： | 13/26頁(yè) |
| 文件大?。?/td> | 364K |
| 代理商： | M48T559YMH1F |
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M48T559Y
20/26
Figure 14. 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 (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 passes 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. Valid for Ambient Operating Temperature: TA = 0 to 70°C; VCC = 4.5 to 5.5V (except where noted).
2. All voltages referenced to VSS.
3. At 25°C, VCC = 0V (when using SOH28 + M4T28-BR12SH SNAPHAT
top).
Symbol
Parameter(1)
Min
Typ
Max
Unit
tF
(2)
VPFD (max) to VPFD (min) VCC Fall Time
300
s
tFB
(3)
VPFD (min) to VSS VCC Fall Time
10
s
tPD
EX at VIH before Power Down
0s
tR
VPFD (min) to VPFD (max) VCC Rise Time
10
s
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
4.2
4.35
4.5
V
VSO
Battery Back-up Switchover Voltage
3.0
V
tDR
(3)
Expected Data Retention Time
7
YEARS
AI01384D
VCC
INPUTS
RST
(PER CONTROL INPUT)
OUTPUTS
DON'T CARE
HIGH-Z
tF
tFB
tR
trec
tPD
tRB
tDR
VALID
(PER CONTROL INPUT)
RECOGNIZED
VPFD (max)
VPFD (min)
VSO
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M48T559YMH1TR | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:64 Kbit 8Kb x8 TIMEKEEPER SRAM with ADDRESS/DATA MULTIPLEXED |
| M48T559YSH | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:64 Kbit 8Kb x8 TIMEKEEPER SRAM with ADDRESS/DATA MULTIPLEXED |
| M48T58 | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:5.0V, 64 Kbit (8 Kb x 8) TIMEKEEPER SRAM |
| M48T58_07 | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:5.0V, 64 Kbit (8 Kb x 8) TIMEKEEPER SRAM |
| M48T58_10 | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:5.0 V, 64 Kbit (8 Kb x 8) TIMEKEEPER? SRAM |
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