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
STM6321, STM6322, STM6821, STM6822, STM6823, STM6824, STM6825 Part numbering
Doc ID 11110 Rev 12 27/31
8 Part numbering
Table 9. Ordering information scheme
For other options, or for more information on any aspect of this device, please contact the
ST sales office nearest you.
Example: STM6xxx LWY6E
Device type
STM6xxx
Reset threshold voltage
L: V
RST
= 4.514 to 4.746 V
M: V
RST
= 4.270 to 4.490 V
T: V
RST
= 3.000 to 3.150 V
S: V
RST
= 2.850 to 3.000 V
R: V
RST
= 2.564 to 2.696 V
Z: V
RST
= 2.243 to 2.358 V
Y: V
RST
= 1.950 to 2.050 V
Reset pulse width
(1)
1. Contact local sales office for availability. Other t
rec
and watchdog timings are offered. Minimum order
quantities may apply.
A: t
rec
= 1 to 2 ms
Blank: t
rec
= 140 to 280 ms
J: t
rec
= 240 to 480 ms
Package
WY = SOT23-5
Temperature range
6 = –40 to 85 °C
Shipping method
E = ECOPACK
®
package, tubes
F = ECOPACK
®
package, tape and reel