參數(shù)資料
型號(hào)： M41T81SMY6E
廠商： 意法半導(dǎo)體
英文描述： Serial Access Real-Time Clock with Alarms
中文描述： 串行訪問(wèn)實(shí)時(shí)時(shí)鐘與鬧鐘
文件頁(yè)數(shù)： 20/29頁(yè)
文件大?。?/td> 438K
代理商： M41T81SMY6E
M41T81S
20/29
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 7. Operating and AC Measurement Conditions
Note: Output Hi-Z is defined as the point where data is no longer driven.
Figure 16. AC Measurement I/O Waveform
Table 8. 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
M41T81S
Supply Voltage (V
CC
)
2.7 to 5.5V
Ambient Operating Temperature (T
A
)
–40 to 85°C
Load Capacitance (C
L
)
100pF
Input Rise and Fall Times
≤
50ns
Input Pulse Voltages
0.2V
CC
to 0.8 V
CC
Input and Output Timing Ref. Voltages
0.3V
CC
to 0.7 V
CC
AI02568
0.8VCC
0.2VCC
0.7VCC
0.3VCC
Symbol
Parameter
(1,2)
Min
Max
Unit
C
IN
Input Capacitance
7
pF
C
OUT(3)
Output Capacitance
10
pF
t
LP
Low-pass filter input time constant (SDA and SCL)
50
ns
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