參數(shù)資料
型號(hào): M48T86MH1E
廠商: STMICROELECTRONICS
元件分類: 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO28
封裝: 0.330 INCH, ROHS COMPLIANT, PLASTIC, SOH-28
文件頁數(shù): 20/36頁
文件大小: 352K
代理商: M48T86MH1E
Obsolete
Product(s)
- Obsolete
Product(s)
M48T86
DC and AC parameters
Figure 14.
Power down/up mode AC waveforms
P
AI01646
VCC
E
tF
tR
trec
4.5V
VPFD
VSO
Table 13.
Power down/up mode AC characteristics
Symbol
Parameter(1)
Min
Max
Unit
tF
(2)
VCC fall time
300
s
tR
VCC rise time
100
s
trec
VPFD to E high
20
200
ms
1.
Valid for ambient operating temperature: TA = 0 to 70°C; VCC = 4.5 to 5.5 V (except where noted).
2.
VCC fall time of less than tF may result in deselection/write protection not occurring until 200 s after VCC passes VPFD.
Table 14.
Power down/up trip points DC characteristics
Symbol
Parameter(1)(2)
Min
Typ
Max
Unit
VPFD
Power-fail deselect voltage
4.0
4.35
V
VSO
Battery backup switchover voltage
3.0
V
tDR
(3)
Expected data retention time
10
YEARS
1.
Valid for ambient operating temperature: TA = 0 to 70°C; VCC = 4.5 to 5.5 V (except where noted).
2.
All voltages referenced to VSS.
3.
At 25°C, VCC = 0 V.
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