參數(shù)資料
型號: M41T82RMY6E
廠商: STMICROELECTRONICS
元件分類: 時鐘/數(shù)據(jù)恢復(fù)及定時提取
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO18
封裝: 0.300 INCH, ROHS COMPLIANT, PLASTIC, SOP-18
文件頁數(shù): 40/58頁
文件大?。?/td> 462K
代理商: M41T82RMY6E
M41T82 M41T83
DC and AC parameters
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.
Figure 23.
Measurement AC I/O waveform
1.
Effective capacitance measured with power supply at 3.6V; sampled only, not 100% tested.
2.
At 25°C, f = 1 MHz.
3.
Outputs deselected.
Table 18.
Operating and AC measurement conditions(1)
1.
Output Hi-Z is defined as the point where data is no longer driven.
Parameter
M41T8x
Supply voltage (VCC)
2.38 V to 5.5 V
Ambient operating temperature (TA)
–40 to 85°C
Load capacitance (CL)50 pF
Input rise and fall times
≤ 5 ns
Input pulse voltages
0.2 VCC to 0.8 VCC
Input and output timing ref. voltages
0.3 VCC to 0.7 VCC
Table 19.
Capacitance
Symbol
Parameter(1,2)
Min
Max
Unit
CIN
Input capacitance
7
pF
COUT
(3)
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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