參數(shù)資料
型號(hào): M48T212V-70MH1
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: 0 TIMER(S), REAL TIME CLOCK, PDSO44
封裝: SNAPHAT, PLASTIC, SO-44
文件頁(yè)數(shù): 21/23頁(yè)
文件大小: 150K
代理商: M48T212V-70MH1
7/23
M48T212Y, M48T212V
Table 8. Power Down/Up AC Characteristics
(TA = 0 to 70°C)
Symbol
Parameter
Min
Max
Unit
tF
VPFD (max) to VPFD (min) VCC Fall Time
300
s
tFB
VPFD (min) to VSS VCC Fall Time
M48T212Y
10
s
M48T212V
150
s
tR
VPFD (min) to VPFD (max) VCC Rise Time
10
s
tREC
VPFD (max) to RST High
40
200
ms
tRB
VSS to VPFD (min) VCC Rise Time
1
s
Figure 5. Power Down/Up AC Waveform
AI02638
VCC
INPUTS
RST
OUTPUTS
DON’T CARE
HIGH-Z
tF
tFB
tR
tREC
tRB
VALID
VPFD (max)
VPFD (min)
VSO
VALID
VCCSW
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