参数资料
型号: M48T59Y-70MH1F
厂商: STMICROELECTRONICS
元件分类: 时钟/数据恢复及定时提取
英文描述: 0 TIMER(S), REAL TIME CLOCK, PDSO28
封装: 0.330 INCH, LEAD FREE, PLASTIC, SOH-28
文件页数: 17/32页
文件大小: 373K
代理商: M48T59Y-70MH1F
Obsolete
Product(s)
- Obsolete
Product(s)
Obsolete
Product(s)
- Obsolete
Product(s)
DC and AC parameters
M48T59, M48T59Y, M48T59V
Table 12.
Power down/up AC characteristics
Table 13.
Power down/up trip points DC characteristics
Symbol
Parameter(1)
1.
Valid for ambient operating temperature: TA = 0 to 70°C; VCC = 4.5 to 5.5 V, 4.75 to 5.5 V, or 3.0 to 3.6 V
(except where noted).
Min
Max
Unit
tPD
E or W at VIH before power down
0
s
tF
(2)
2.
VPFD (max) to VPFD (min) fall time of less than tF may result in deselection/write protection not occurring
until 200s 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
tR
VPFD (min) to VPFD (max) VCC rise time
10
s
tRB
VSS to VPFD (min) VCC rise time
1
s
trec
VPFD (max) to RST high
40
200
ms
Symbol
Parameter(1)(2)
1.
Valid for ambient operating temperature: TA = 0 to 70°C; VCC = 4.5 to 5.5 V, 4.75 to 5.5 V, or 3.0 to 3.6 V
(except where noted).
2.
All voltages referenced to VSS.
Min
Typ
Max
Unit
VPFD
Power-fail deselect voltage
M48T59
4.5
4.6
4.75
V
M48T59Y
4.2
4.35
4.5
V
M48T59V
2.7
2.9
3.0
V
VSO
Battery back-up switchover
voltage
M48T59/Y
3.0
V
M48T59V
VPFD –100mV
V
tDR
(3)
3.
At 25°C, VCC = 0 V.
Expected data retention time
7
YEARS
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