Datasheet
Table Of Contents
- Table 1. Device summary
- 1 Description
- Figure 1. Logic diagram (STM6821/6822/6823)
- Figure 2. Logic diagram (STM6321/6322/6824/6825)
- Table 2. Signal names
- Figure 3. STM6822/6823 SOT23-5 connections
- Figure 4. STM6821 SOT23-5 connections
- Figure 5. STM6322/6825 SOT23-5 connections
- Figure 6. STM6321/6824 SOT23-5 connections
- 1.1 Pin descriptions
- 2 Operation
- 3 Typical operating characteristics
- Figure 15. VCC-to-reset output delay vs. temperature
- Figure 16. Supply current vs. temperature
- Figure 17. MR-to-reset output delay vs. temperature
- Figure 18. Normalized power-up trec vs. temperature
- Figure 19. Normalized reset threshold voltage vs. temperature
- Figure 20. Normalized power-up watchdog timeout period
- Figure 21. Voltage output low vs. ISINK
- Figure 22. Voltage output high vs. ISOURCE
- Figure 23. Maximum transient duration vs. reset threshold overdrive
- 4 Maximum ratings
- 5 DC and AC parameters
- 6 Package mechanical data
- 7 Package mechanical data
- 8 Part numbering
- 9 Revision history

Revision history STM6321, STM6322, STM6821, STM6822, STM6823, STM6824, STM6825
30/31 Doc ID 11110 Rev 12
9 Revision history
Table 11. Document revision history
Date Revision Changes
25-Aug-2004 1 First draft
15-Dec-2004 2 Update characteristics (Figure 15, 16, 17; Ta bl e 6 , and 9)
10-Mar-2005 3 Document promoted to Datasheet status
17-Jun-2005 4 Package marking update (Ta ble 1 0 )
11-Apr-2006 5
Update characteristics, Lead-free text, availability (Figure 3, 4, 5, 6,
7, 8, and 9; Tabl e 1 , 6, 9, and 10)
11-Aug-2006 6 Update Description, Tabl e 9 , and 10.
25-May-2007 7 Formatting changes, updated Ta bl e 1 0.
03-Jun-2008 8
Updated cover page; updated reset threshold values in Ta bl e 6 , 9,
and 10; addition of text to Section 6; updated Figure 27 and Table 6
and 7; minor text changes.
09-Apr-2009 9
Updated Section 1.1.1, Section 6; added tape and reel specifications
Figure 28, Table 8.
06-Jan-2011 10
Document reformatted, Doc ID added, updated Ta bl e 1 0, corrected
typo in Features, Section 1.1.4, Section 2.1, Section 2.3, Section 4,
Table 4, Ta bl e 6 , Ta bl e 9 , Figure 7
to Figure 11, Figure 14 to
Figure 26.
14-Jul-2011 11
Updated Table 10, corrected typo in Ta ble 6 , Table 7 and Ta bl e 8 ,
reformatted Figure 27, updated Disclaimer.
27-Jun-2012 12
Removed note from Features, added cross-references to Section 4
and Section 5, minor text corrections throughout document.