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MFG:AME
Part Number: AME8500
MFG: AME
Description: The AME8500 family allows the user to customize the CPU reset function without any external components. The user has...
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AME8500
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DataSheet
General Description
AME8500 General Description
The AME8500 family allows the user to customize the CPU reset function without any external components. The user has a large choice of reset voltage thresholds, reset time intervals, and output driver configurations, all of which are preset at the factory. Each wafer is trimmed to the customer's pecifications.
These circuits monitor the power supply voltage of µ P based systems. When the power supply voltage drops below the voltage threshold a reset isasserted immedi- ately (within an interval T D1 . The reset remains asserted after the supply voltage rises above the voltage threshold for a time interval, T D2
The reset output may be either active high (RESET) or active low (RESETB). The reset output may be configured as either push/pull or open drain.
The state of the reset output is guaranteed to be correct for supply voltages greater than 1V. The AME8501 includes all the above functionality plus an overtemperature shutdown function. When the ambi- ent temperature exceeds 80 o C a reset is asserted and remains asserted until the temperature falls below 60 o C.
Space saving SOT23 packages and micropower qui- escent current (<3.0 µ A) make this family a natural for portable battery powered equipment.
AME8500 Features
Small packages: SOT-23, SOT-89
11 voltage threshold options
Tight voltage threshold tolerance --- ± 1.50%
5 reset interval options
4 output configuration options
Wide temperature range -------- -4 o C to 85 o C
Low temperature coefficient --- 100ppm/ o C (max)
Low quiescent current < 3.0 µ A
Thermal shutdown option (AME8501) The AME8500 family allows the user to customize the CPU reset function without any external components. The user has a large choice of reset voltage thresholds, reset time intervals, and output driver configurations, all of which are preset at the factory. Each wafer is trimmed to the customer's specifications. These circuits monitor the power supply voltage of µ P based systems. When the power supply voltage drops below the voltage threshold a reset is asserted immedi- ately (within an interval T D1 ). The reset remains asserted
after the supply voltage rises above the voltage threshold
for a time interval, T D2
The reset output may be either active high (RESET) or active low (RESETB). The reset output may be configured as either push/pull or open drain. The state of the reset output is guaranteed to be orrect for supply voltages greater than 1V. e AME8501 includes all the above functionality plus overtemperature shutdown function. When the ambint temperature exceeds 80 C a reset is asserted and emains asserted until the temperature falls below 60
C. pace saving SOT23 packages and micropower qui- scent current (<3.0 A) make this family a natural for ortable battery powered equipment.
11 voltage threshold options
Tight voltage threshold tolerance --- ± 1.50%
5 reset interval options
4 output configuration options
Wide temperature range -------- -4 o C to 85 o C
Low temperature coefficient --- 100ppm/ o C (max)
Low quiescent current < 3.0 µ A
Thermal shutdown option (AME8501) The AME8500 family allows the user to customize the CPU reset function without any external components. The user has a large choice of reset voltage thresholds, reset time intervals, and output driver configurations, all of which are preset at the factory. Each wafer is trimmed to the customer's specifications. These circuits monitor the power supply voltage of µ P based systems. When the power supply voltage drops below the voltage threshold a reset is asserted immedi- ately (within an interval T D1 ). The reset remains asserted
after the supply voltage rises above the voltage threshold
for a time interval, T D2
The reset output may be either active high (RESET) or active low (RESETB). The reset output may be configured as either push/pull or open drain. The state of the reset output is guaranteed to be orrect for supply voltages greater than 1V. e AME8501 includes all the above functionality plus overtemperature shutdown function. When the ambint temperature exceeds 80 C a reset is asserted and emains asserted until the temperature falls below 60
C. pace saving SOT23 packages and micropower qui- scent current (<3.0 A) make this family a natural for ortable battery powered equipment.
AME8500 Typical Application
Portable electronics
Power supplies
Computer peripherals
Data acquisition systems
Applications using CPUs
Consumer electronics
AME8500
PDF/DataSheet Download
- Datasheet: AME8500
- File Size: 420472 KB
- Manufacturer: AME [Analog Microelectronics]
- Click here to Download
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