参数资料
型号: M41ST85Y-70MH6
厂商: STMICROELECTRONICS
元件分类: 时钟/数据恢复及定时提取
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO28
封装: 0.330 INCH, SNAPHAT, PLASTIC, SOH-28
文件页数: 19/32页
文件大小: 171K
代理商: M41ST85Y-70MH6
M41ST85Y, M41ST85W
26/32
Figure 21. Power Down/Up Mode AC Waveforms
Table 13. Power Down/Up AC Characteristics
Note: 1. 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).
2. VPFD (min) to VSS fall time of less than tFB may cause corruption of RAM data.
Symbol
Parameter
Min
Typ
Max
Unit
tF
(1)
VPFD (max) to VPFD (min) VCC Fall Time
300
s
tFB
(2)
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
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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