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參數(shù)資料
| 型號： | M41T256YMT7TR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 時鐘/數(shù)據(jù)恢復及定時提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO44 |
| 封裝： | 0.330 INCH, PLASTIC, SOIC-44 |
| 文件頁數(shù)： | 11/27頁 |
| 文件大?。?/td> | 523K |
| 代理商： | M41T256YMT7TR |
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M41T256Y
DC AND AC PARAMETERS
This section summarizes the operating and mea-
surement 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 Measure-
ment Conditions listed in the relevant tables. De-
signers should check that the operating conditions
in their projects match the measurement condi-
tions when using the quoted parameters.
Table 6. DC and AC Measurement Conditions
Figure 16. AC Testing Input/Output Waveforms
Table 7. Capacitance
Note: 1. Effective capacitance measured with power supply at 5V; sampled only, not 100% tested.
2. At 25°C, f = 1MHz.
3. Outputs deselected.
Parameter
M41T256Y
VCC Supply Voltage
4.5 to 5.5V
Ambient Operating Temperature
–25 to 70°C
Load Capacitance (CL)
100pF
Input Rise and Fall Times
≤ 50ns
Input Pulse Voltages
0.2VCC to 0.8VCC
Input and Output Timing Ref. Voltages
0.3VCC to 0.7VCC
AI02568
0.8VCC
0.2VCC
0.7VCC
0.3VCC
Symbol
Parameter(1,2)
Min
Max
Unit
CIN
Input Capacitance
7
pF
Input Capacitance (Tamper Pin)
1000
pF
CIO
(3)
Input / Output Capacitance
10
pF
tLP
Low-pass filter input time constant (SDA and SCL)
50
ns
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