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参数资料
| 型号： | M440T513Y-15ZA9 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | REAL TIME CLOCK, PBGA168 |
| 封装： | PLASTIC, BGA-168 |
| 文件页数： | 14/26页 |
| 文件大小： | 453K |
| 代理商： | M440T513Y-15ZA9 |
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M440T513Y
Table 13. Power Down/Up AC Characteristics
Note: 1. Valid for Ambient Operating Temperature: TA = –15 to 75°C; VCC = 4.5 to 5.5V (except where noted).
2. VPFD (max) to VPFD (min) fall time of less than tF may result in deselection/write protection not occurring until 200s after VCC pass-
es VPFD (min).
3. VPFD (min) to VSS fall time of less than tFB may cause corruption of RAM data.
Symbol
Parameter(1)
Min
Max
Unit
tF
(2)
VPFD (max) to VPFD (min) VCC Fall Time
300
s
tFB
(3)
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
1s
tREC
Power-up Deselect Time
40
200
ms
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