參數(shù)資料
型號: M41ST85WMH6TR
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: 1 TIMER(S), REAL TIME CLOCK, PDSO28
封裝: 0.300 INCH, SNAPHAT, PLASTIC, SOH-28
文件頁數(shù): 27/41頁
文件大?。?/td> 376K
代理商: M41ST85WMH6TR
M41ST85W
DC and AC parameters
Figure 20.
Power down/up mode AC waveforms
Table 13.
Power down/up AC characteristics
Symbol
Parameter(1)
1.
Valid for ambient operating temperature: TA = –40 to 85°C; VCC = 2.7 to 3.6 V (except where otherwise noted).
Min
Typ
Max
Unit
tF
(2)
2.
VPFD(max) to VPFD(min) fall time of less than tF may result in deselection/write protection not occurring until
200 s after VCC passes VPFD(min).
VPFD(max) to VPFD(min) VCC fall time
300
s
tFB
(3)
3.
VPFD(min) to VSS fall time of less than tFB may cause corruption of RAM data.
VPFD(min) to VSS VCC fall time
10
s
tPD
EX at VIH before power down
0
s
tPFD
PFI to PFO propagation delay
15
25
s
tR
VPFD(min) to VPFD(max) VCC rise time
10
s
tRB
VSS to VPFD(min) VCC rise time
1
s
trec
(4)
4.
Programmable (see Table 6 on page 28)
Power-up deselect time
40
200
ms
AI03661
VCC
INPUTS
(PER CONTROL INPUT)
OUTPUTS
DON'T CARE
HIGH-Z
tF
tFB
tR
tPD
tRB
tDR
VALID
(PER CONTROL INPUT)
RECOGNIZED
VPFD (max)
VPFD (min)
VSO
trec
RST
ECON
PFO
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