参数资料
型号: M41ST87WMX6TR
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: 0.300 INCH, ROHS COMPLIANT, PLASTIC, SOX-28
文件页数: 39/48页
文件大小: 457K
代理商: M41ST87WMX6TR
DC and AC parameters
M41ST87Y, M41ST87W
Table 18.
Power down/up AC characteristics
Symbol
Parameter(1)
1.
Valid for ambient operating temperature: TA = –40 to 85°C; VCC = 4.5 to 5.5 V or 2.7 to 3.6 V (except where 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
Power-up deselect time
96
98(4)
4.
Programmable (see Table 12 on page 39)
ms
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