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STM6321 数据表(PDF) 4 Page - STMicroelectronics

部件名 STM6321
功能描述  5-pin supervisor with watchdog timer and push-button reset
PDF  28 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM6321 数据表(HTML) 4 Page - STMicroelectronics

  STM6321 Datasheet HTML 1Page - STMicroelectronics STM6321 Datasheet HTML 2Page - STMicroelectronics STM6321 Datasheet HTML 3Page - STMicroelectronics STM6321 Datasheet HTML 4Page - STMicroelectronics STM6321 Datasheet HTML 5Page - STMicroelectronics STM6321 Datasheet HTML 6Page - STMicroelectronics STM6321 Datasheet HTML 7Page - STMicroelectronics STM6321 Datasheet HTML 8Page - STMicroelectronics STM6321 Datasheet HTML 9Page - STMicroelectronics Next Button
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List of figures
STM6321/6322STM6821/6822/6823/6824/6825
4/28
List of figures
Figure 1.
Logic diagram (STM6821/6822/6823) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 2.
Logic diagram (STM6321/6322/6824/6825) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 3.
STM6822/6823 SOT23-5 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 4.
STM6821 SOT23-5 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 5.
STM6322/6825 SOT23-5 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 6.
STM6321/6824 SOT23-5 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 7.
Block diagram (STM6821/6822/6823) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 8.
Block diagram (STM6321/6824) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 9.
Block diagram (STM6322/6825) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 10.
Hardware hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 11.
STM6321/6322/6822 open drain RST output with multiple supplies . . . . . . . . . . . . . . . . . 10
Figure 12.
Ensuring RST valid to VCC = 0, (active-low push-pull outputs). . . . . . . . . . . . . . . . . . . . . . 12
Figure 13.
Ensuring RST valid to VCC = 0, (active-high, push-pull outputs) . . . . . . . . . . . . . . . . . . . . 12
Figure 14.
Interfacing to microprocessors with bidirectional reset I/O . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 15.
VCC-to-reset output delay vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 16.
Supply current vs. temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 17.
MR-to-reset output delay vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 18.
Normalized power-up trec vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 19.
Normalized reset threshold voltage vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 20.
Normalized power-up watchdog time-out period . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 21.
Voltage output low vs. ISINK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 22.
Voltage output high vs. ISOURCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 23.
Maximum transient duration vs. reset threshold overdrive . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 24.
AC testing input/output waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 25.
MR timing waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 26.
Watchdog timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 27.
SOT23-5 – 5-lead small outline transistor package mechanical drawing . . . . . . . . . . . . . . 23



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