STM705M6F STMicroelectronics, STM705M6F Datasheet - Page 10

• Manufacturer Part Number: STM705M6F
• Description: SUPERVISOR 5V WATCHDOG 8SOIC
• Manufacturer: STMicroelectronics
• Type: Simple Reset/Power-On Resetr

Specifications of STM705M6F

• Number Of Voltages Monitored: 1
• Output: Push-Pull, Totem Pole
• Reset: Active Low
• Reset Timeout: 140 ms Minimum
• Voltage - Threshold: 4.63V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Monitored Voltage: 1 V to 5.5 V
• Output Type: Active Low, Push-Pull
• Manual Reset: Resettable
• Watchdog: Watchdog
• Battery Backup Switching: No Backup
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 1 V
• Supply Current (typ): 60 uA
• Maximum Power Dissipation: 320 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Power Fail Detection: Yes
• Undervoltage Threshold: 4.5 V
• Overvoltage Threshold: 4.75 V
• Power-up Reset Delay (typ): 280 ms
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-3834-2

Pin descriptions
Figure 8.
Figure 9.
1. For STM705/706/813L.
10/33
V CC
MR
PFI
Block diagram (STM707/708)
Hardware hookup
Unregulated
voltage
V CC
R1
R2
V IN
Regulator
From microprocessor
V RST
V PFI
V CC
0.1 mF
Doc ID 10520 Rev 9
COMPARE
COMPARE
Push-button
5 V
STM705, STM706, STM707, STM708, STM813L
V CC
WDI (1)
PFI
MR
STM705
STM706
STM707
STM708
STM813L
WDO (1)
PFO
RST
generator
t rec
To microprocessor IRQ
To microprocessor NMI
To microprocessor reset
RST
RST
PFO
AI08831a
AI08830