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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： | 11/24页 |
| 文件大小： | 366K |
| 代理商： | M48T251Y-70PM1 |
19/24
M48T251Y, M48T251V
Table 11. 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. RST (Pin 1) has an internal pull-up resistor.
3. All voltages are referenced to Ground.
Sym
Parameter(1)
Test Condition
M48T251Y
M48T251V
Unit
–70
–85
Min
Typ
Max
Min
Typ
Max
ILI
(2)
Input Leakage Current
0V
≤ VIN ≤ VCC
±1
A
ILO
Output Leakage Current
0V
≤ VOUT ≤ VCC
±1
A
ICC1
Supply Current
85
50
mA
ICC2
Supply Current (TTL
Standby)
CE = VIH
510
5
7
mA
ICC3
VCC Power Supply
Current
CE = VCCI – 0.2
35
2
3
mA
VIL
(3)
Input Low Voltage
–0.3
0.8
–0.3
0.6
V
VIH
(3)
Input High Voltage
2.2
VCC + 0.3
2.2
VCC + 0.3
V
VOL
Output Low Voltage
IOL = 2.0 mA
0.4
V
VOH
Output High Voltage
IOH = –1.0 mA
2.4
V
VPFD
(3)
Power Fail Deselect
4.25
4.37
4.50
2.80
2.97
V
VSO
(3)
Battery Back-up
Switchover
VBAT
2.5
V
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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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