STM6822SWY6F STMicroelectronics, STM6822SWY6F Datasheet - Page 2

• Manufacturer Part Number: STM6822SWY6F
• Description: IC SUPERVISOR PB 2.93V SOT23-5
• Manufacturer: STMicroelectronics
• Type: Simple Reset/Power-On Resetr

Specifications of STM6822SWY6F

• Number Of Voltages Monitored: 1
• Output: Open Drain or Open Collector
• Reset: Active Low
• Reset Timeout: 140 ms Minimum
• Voltage - Threshold: 2.93V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-5, SC-74A, SOT-25
• Number Of Elements: 1
• Monitored Voltage 1 (typ): 2.5/3/3.3/5V
• Threshold Voltage 1 (max): 2.96V
• Battery Backup Switching: No
• Watchdog Timer: Yes
• Chip Enable Signals: No
• Reset Active Time: 280ms
• Manual Reset: Yes
• Package Type: SOT-23
• Operating Supply Voltage (min): 1V
• Operating Supply Voltage (max): 5.5V
• Reset Threshold Voltage (max): 2.96V
• Reset Threshold Voltage (min): 2.89V
• Family Name: STM6822
• Power Dissipation: 320mW
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Power Fail Detection: No
• Mounting: Surface Mount
• Pin Count: 5
• Supply Current: 0.012mA
• Monitored Voltage: 2.5 V, 3 V, 3.3 V, 5 V
• Output Type: Active Low, Open Drain
• Watchdog: Watchdog
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 1 V
• Supply Current (typ): 12 uA
• Maximum Power Dissipation: 320 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Undervoltage Threshold: 2.89 V
• Overvoltage Threshold: 2.96 V
• Power-up Reset Delay (typ): 280 ms
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-4799-2

Contents
Contents
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2
3
4
5
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7
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9
2/29
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.1
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.1
2.2
2.3
2.4
2.5
2.6
Typical operating characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
DC and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.1.1
1.1.2
1.1.3
1.1.4
1.1.5
Reset output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Open drain RST output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Push-button reset input (STM6322/6821/6822/6823/6825) . . . . . . . . . . . 11
Watchdog input (STM6321/6821/6822/6823/6824) . . . . . . . . . . . . . . . . . 11
Applications information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.5.1
2.5.2
Interfacing to microprocessors with bidirectional reset pins . . . . . . . . . . . 12
Active-low, push-pull reset output (RST) - 6823/6824/6825 . . . . . . . . . . 7
Active-low, open drain reset output (RST) - STM6321/6322/6822 . . . . . 7
Push-button reset input (MR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Watchdog input (WDI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Active-high reset output (RST) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Watchdog input current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Ensuring a valid reset output down to V
Doc ID 11110 Rev 10
STM6321/6322STM6821/6822/6823/6824/6825
CC
= 0 V . . . . . . . . . . . . . . . . . . 11