STM6823 Datasheet, PDF (1/21 Pages) STMicroelectronics – 5-Pin Supervisor with Watchdog Timer and Push-button Reset

STM6321/6322
STM6821/6822/6823/6824/6825
5-Pin Supervisor with
Watchdog Timer and Push-button Reset
PRELIMINARY DATA
FEATURES SUMMARY
■ PRECISION V_CC MONITORING OF 5V, 3.3V,
3V, OR 2.5V POWER SUPPLIES
– STM6xxxL
– STM6xxxM
– STM6xxxT
– STM6xxxS
– STM6xxxR
– STM6xxxZ
■ RST OUTPUTS (ACTIVE-LOW, PUSH-PULL
OR OPEN DRAIN)
■ RST OUTPUTS (ACTIVE-HIGH, PUSH-
PULL)
■ 200ms (TYP) t_rec
■ WATCHDOG TIMER - 1.6sec (TYP)
■ MANUAL RESET INPUT (MR)
■ LOW SUPPLY CURRENT - 3µA (TYP)
■ GUARANTEED RST (RST) ASSERTION
DOWN TO V_CC = 1.0V
■ OPERATING TEMPERATURE:
–40°C to 85°C (Industrial Grade)
Figure 1. Package
SOT23-5 (WY)
Table 1. Device Options
Part Number Watchdog Input
STM6321
✔
STM6322
STM6821
✔
STM6822
✔
STM6823
✔
STM6824
✔
STM6825
Manual Reset
Input
✔
✔
✔
✔
✔
Active-Low
(Push-pull)
✔
✔
✔
Reset Output
Active-High
(Push-pull)
✔
✔
✔
✔
✔
Active-Low
(Open Drain)
✔
✔
✔
December 2004
1/21
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.