STM6717 Datasheet, PDF (1/25 Pages) STMicroelectronics – Dual/Triple Ultra-Low Voltage Supervisors with Push-Button Reset (with Delay Option)

STM6717/6718/6719/6720
STM6777/6778/6779*/6780*
Dual/Triple Ultra-Low Voltage Supervisors
with Push-Button Reset (with Delay Option)
FEATURES SUMMARY
■ PRIMARY SUPPLY (V_CC1) MONITOR.
FIXED (FACTORY-PROGRAMMED) RESET
THRESHOLDS: 4.63V TO 1.58V
■ SECONDARY SUPPLY (V_CC2) MONITOR
(STM6717/18/19/20/77/78).
FIXED (FACTORY-PROGRAMMED) RESET
THRESHOLDS: 3.08V TO 0.79V
■ TERTIARY SUPPLY MONITOR (USING
EXTERNALLY ADJUSTABLE RSTIN):
0.626V INTERNAL REFERENCE
■ RST OUTPUTS (PUSH-PULL OR OPEN
DRAIN); STATE GUARANTEED IF V_CC1 OR
V_CC2 ≥ 0.8V
■ RESET DELAY TIME (t_rec) ON POWER-UP:
– 210ms (typ)
■ MANUAL RESET INPUT (MR)
■ OPTIONAL DELAYED MANUAL RESET
INPUT (MRC) WITH EXTERNAL
CAPACITOR (STM6777/78/79/80)
■ LOW SUPPLY CURRENT - 11µA (TYP),
V_CC1 = V_CC2 = 3.6V
■ OPERATING TEMPERATURE:
–40°C to 85°C (Industrial Grade)
Figure 1. Packages
SOT23-5 (WY)
SOT23-6 (WB)
Table 1. Device Options
Part
Number
Monitored Voltages
V_CC1
V_CC2 RSTIN
STM6717
✔
✔
STM6718
✔
✔
STM6719
✔
✔
✔
STM6720
✔
✔
✔
STM6777
✔
✔
STM6778
✔
✔
STM6779* ✔
✔
STM6780* ✔
✔
Manual Reset Delayed MR
Input (MR) Pin (MRC)
✔
✔
✔
✔
✔
✔
✔
✔
✔
✔
✔
✔
Reset Output (RST)
Active-Low Active-Low
(Push-Pull) (Open Drain)
✔
✔
✔
✔
✔
✔
✔
✔
Package
WY
WY
WB
WB
WB
WB
WB
WB
* Contact local ST sales office for availability.
October 2005
Rev 3.0
1/25