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参数资料
| 型号： | M41T81M6E |
| 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, PDSO8 |
| 封装： | 0.150 INCH, LEAD FREE, PLASTIC, SOIC-8 |
| 文件页数： | 14/29页 |
| 文件大小： | 454K |
| 代理商： | M41T81M6E |
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M41T81
DC and AC parameters
Doc ID 7529 Rev 10
5
DC and AC parameters
This section summarizes the operating and measurement conditions, as well as the DC and
AC characteristics of the device. The parameters in the following DC and AC characteristic
tables are derived from tests performed under the measurement conditions listed in the
relevant tables. Designers should check that the operating conditions in their projects match
the measurement conditions when using the quoted parameters.
Note:
Output Hi-Z is defined as the point where data is no longer driven.
Figure 14.
AC measurement I/O waveform
Table 7.
Operating and AC measurement conditions
Parameter
M41T81
Supply voltage (VCC)
2.0 to 5.5 V
Ambient operating temperature (TA)
–40 to 85°C
Load capacitance (CL)100 pF
Input rise and fall times
≤ 50 ns
Input pulse voltages
0.2VCC to 0.8VCC
Input and output timing ref. voltages
0.3VCC to 0.7VCC
Table 8.
Capacitance
Symbol
Parameter(1)(2)
1.
Effective capacitance measured with power supply at 5 V; sampled only, not 100% tested.
2.
At 25°C, f = 1 MHz.
Min
Max
Unit
CIN
Input capacitance
-
7
pF
COUT
(3)
3.
Outputs deselected.
Output capacitance
-
10
pF
tLP
Low-pass filter input time constant (SDA and SCL)
-
50
ns
AI02568
0.8VCC
0.2VCC
0.7VCC
0.3VCC
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相关代理商/技术参数 |
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| M41T81M6F | 功能描述:实时时钟 Serial 512 (64x8) 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 |
| M41T81M6F-CUT TAPE | 制造商:ST 功能描述:M41T Series 2 V Serial I2C Real Time Clock with Alarm - SOIC-8 |
| M41T81M6TR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Serial Access Real-Time Clock with Alarms |
| M41T81MX | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:SERIAL ACCESS RTC WITH ALARMS |
| M41T81MX6 | 功能描述:实时时钟 Serial 512 (64x8) 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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