參數(shù)資料
型號: M48T251Y-70PM1
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): 13/24頁
文件大?。?/td> 366K
代理商: M48T251Y-70PM1
M48T251Y, M48T251V
20/24
Figure 13. Power Down/Up Mode AC Waveforms
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 or 3.0 to 3.6V (except where noted).
2. At 25°C, VCC = 0V; the expected tDR is defined as cumulative time in the absence of VCC with the clock oscillator running.
Symbol
Parameter(1)
Min
Max
Unit
tREC
VPFD (max) to CE low
1.5
2.5
ms
tF
VPFD (max) to VPFD (min) VCC Fall Time
300
s
tFB
VPFD (min) to VSO VCC Fall Time
10
s
tR
VPFD (min) to VPFD (max) VCC Rise Time
0
s
tPD
CE High to Power-Fail
0
s
tDR
(2)
Expected Data Retention Time
10
Years
tDR
tF
tREC
tR
tPD
tFB
VSO
VCC
CE
VPFD (max)
VPFD (min)
AI04236
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