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M41T62LC6F датащи(PDF) 32 Page - STMicroelectronics

номер детали M41T62LC6F
подробное описание детали  Serial real-time clocks (RTCs) with alarm
PDF  44 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M41T62LC6F датащи(HTML) 32 Page - STMicroelectronics

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DC and AC parameters
M41T62/63/64/65
32/44
Doc ID 10397 Rev 19
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 24.
AC measurement I/O waveform
Figure 25.
Crystal isolation example
Note:
Substrate pad should be tied to VSS.
Table 12.
Operating and AC measurement conditions(1)
1.
Output Hi-Z is defined as the point where data is no longer driven.
Parameter
M41T6x
Supply voltage (VCC)
1.3 V to 4.4 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
AI02568
0.8VCC
0.2VCC
0.7VCC
0.3VCC
AI09127
Crystal
XI
XO
GND
Local Grounding Plane
(Layer 2)



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