參數(shù)資料
型號(hào)： M41T0
廠商： 意法半導(dǎo)體
英文描述： Serial Real-Time Clock(串行實(shí)時(shí)時(shí)鐘)
中文描述： 串行實(shí)時(shí)時(shí)鐘（串行實(shí)時(shí)時(shí)鐘）
文件頁(yè)數(shù)： 16/22頁(yè)
文件大?。?/td> 181K
代理商： M41T0
DC and AC parameters
M41T0
16/22
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.
Table 5.
Figure 11.
AC testing input/output Waveform
Table 6.
Operating and AC measurement conditions
(1)
1.
Output Hi-Z is defined as the point where data is no longer driven.
Parameter
M41T0
Unit
Supply voltage (V
CC
)
2.0 to 5.5
V
Ambient operating temperature (T
A
)
–40 to 85
°C
Load capacitance (C
L
)
100
pF
Input rise and fall times
≤
5
ns
Input pulse voltages
0.2V
CC
to 0.8V
CC
V
Input and output timing ref. voltages
0.3V
CC
to 0.7V
CC
V
Capacitance
Symbol
Parameter
(1)(2)
1.
Effective capacitance measured with power supply at 5V; sampled only, not 100% tested
2.
At 25°C, f = 1MHz.
Min
Max
Unit
C
IN
Input capacitance (SCL)
7
pF
C
OUT(3)
3.
Outputs deselected.
Output capacitance (SDA, OUT)
10
pF
t
LP
Low-pass filter input time constant (SDA and
SCL)
50
ns
AI02568
0.8VCC
0.2VCC
0.7VCC
0.3VCC
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