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参数资料
| 型号： | M48T251Y-70PM1 |
| 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, PDIP32 |
| 封装： | PLASTIC, MODULE, DIP-32 |
| 文件页数： | 13/24页 |
| 文件大小： | 366K |
| 代理商： | M48T251Y-70PM1 |
M48T251Y, M48T251V
20/24
Figure 13. Power Down/Up Mode AC Waveforms
Table 12. Power Down/Up Trip Points DC Characteristics
Note: 1. Valid for Ambient Operating Temperature: TA = 0 to 70°C; VCC = 4.5 to 5.5V or 3.0 to 3.6V (except where noted).
2. At 25°C, VCC = 0V; the expected tDR is defined as cumulative time in the absence of VCC with the clock oscillator running.
Symbol
Parameter(1)
Min
Max
Unit
tREC
VPFD (max) to CE low
1.5
2.5
ms
tF
VPFD (max) to VPFD (min) VCC Fall Time
300
s
tFB
VPFD (min) to VSO VCC Fall Time
10
s
tR
VPFD (min) to VPFD (max) VCC Rise Time
0
s
tPD
CE High to Power-Fail
0
s
tDR
(2)
Expected Data Retention Time
10
Years
tDR
tF
tREC
tR
tPD
tFB
VSO
VCC
CE
VPFD (max)
VPFD (min)
AI04236
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相关代理商/技术参数 |
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|---|---|
| M48T251Y-70PM1TR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM |
| M48T251Y-85PM1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM |
| M48T251Y-85PM1TR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM |
| M48T251YPM | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM |
| M48T254V-10ZA1 | 功能描述:实时时钟 16M (2Mx8) 100ns RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
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