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M41T93RMY6F датащи(PDF) 37 Page - STMicroelectronics

номер детали M41T93RMY6F
подробное описание детали  Serial SPI bus RTC with battery switchover
PDF  51 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M41T93RMY6F датащи(HTML) 37 Page - STMicroelectronics

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M41T93
DC and AC parameters
37/51
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 16.
Measurement AC I/O waveform
Table 16.
Operating and AC measurement conditions
Parameter
M41T93
Supply voltage (VCC)
2.38 V to 5.5 V
Ambient operating temperature (TA)
–40 to +85°C
Load capacitance (CL, typical)
30 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 17.
Capacitance
Symbol
Parameter(1)(2)
1.
Effective capacitance measured with power supply at 3.6 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
AI02568
0.8VCC
0.2VCC
0.7VCC
0.3VCC



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