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Part Number: GS809C
Description: The GS809C and 810C are system supervisor circuits designed to monitor VCC in digital systems and provide a reset signa...
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GS809C
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DataSheet
General Description
GS809C General Description
The GS809C and 810C are system supervisor circuits designed to monitor VCC in digital systems and provide a reset signal to the host processor when necessary. No external components are required.
When the processor power supply voltage drops below the reset threshold, the reset output is driven active, in less than 40µs (TD1). Reset is maintained active for a time period (TD2), after the Vcc rises above the threshold voltage.
To prevent jitter, the reset threshold voltage has a built-in hysteresis of 0.4% of VTH.
The GS809C has an active-low reset output, while the GS810C has an active-high reset output. Both devices have push/pull output drives.
The reset signal is guaranteed valid, down to Vcc = 1.0V.
Low supply current of 3µA makes these devices well suited for battery powered applications. They are designed to reject fast transients from causing false resets.
Both devices are available in a space-saving SOT-23 package.
GS809C Maximum Ratings
| Parameter | Symbol | Value | Unit |
| Supply Voltage | Vcc | 6.0 | V |
| Reset/ Reset | 0.3 to (Vcc + 0.3) | V | |
| Input Current, Vcc | 20 | mA | |
| Output Current, Reset/Reset | 20 | mA | |
| dV/dT (Vcc) | 100 | V/µS | |
| Operating Temperature Range | TA | 40 to +125 | °C |
| Storage Temperature Range | Tstg | 65 to +150 | °C |
| Power Dissipation (TA 70°C) SOT-23 (Derate 4mW/°C above 70°C) |
PD | 260 | mW |
GS809C Features
• Tight reset voltage tolerances ± 1.5%
• 4 reset active timeout period options
• Low quiescent current: < 3µA
• 9 reset threshold options from 2.1V to 4.63V
• Reset output guaranteed down to 1.0V
• No external components
• Vcc Transient immunity
• Wide temperature range 40°C to +85°C
• 4 reset active timeout period options
• Low quiescent current: < 3µA
• 9 reset threshold options from 2.1V to 4.63V
• Reset output guaranteed down to 1.0V
• No external components
• Vcc Transient immunity
• Wide temperature range 40°C to +85°C
GS809C Typical Application
• Computers
• Battery Powered Equipment
• Critical uProcessor and uController power supply monitoring
• Battery Powered Equipment
• Critical uProcessor and uController power supply monitoring
GS809C Connection Diagram
GS809C
PDF/DataSheet Download
- Datasheet: GS809C
- File Size: 46098 KB
- Manufacturer: VISAY [Vishay Siliconix]
- Click here to Download
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