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M48T02 数据表(PDF) 4 Page - STMicroelectronics

部件名 M48T02
功能描述  5.0V, 16 Kbit (2Kb x 8) TIMEKEEPER SRAM
PDF  24 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M48T02 数据表(HTML) 4 Page - STMicroelectronics

  M48T02 Datasheet HTML 1Page - STMicroelectronics M48T02 Datasheet HTML 2Page - STMicroelectronics M48T02 Datasheet HTML 3Page - STMicroelectronics M48T02 Datasheet HTML 4Page - STMicroelectronics M48T02 Datasheet HTML 5Page - STMicroelectronics M48T02 Datasheet HTML 6Page - STMicroelectronics M48T02 Datasheet HTML 7Page - STMicroelectronics M48T02 Datasheet HTML 8Page - STMicroelectronics M48T02 Datasheet HTML 9Page - STMicroelectronics Next Button
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 4 / 24 page
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List of figures
M48T02, M48T12
4/24
List of figures
Figure 1.
Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 2.
DIP connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 3.
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 4.
Read mode AC waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 5.
Write enable controlled, write AC waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 6.
Chip enable controlled, write AC waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 7.
Checking the BOK flag status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 8.
Crystal accuracy across temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 9.
Clock calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 10.
Supply voltage protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 11.
AC testing load circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 12.
Power down/up mode AC waveforms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 13.
PCDIP24 – 24-pin plastic DIP, battery CAPHAT, package outline . . . . . . . . . . . . . . . . . . . 21



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