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AME8501

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 <...

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SeekIC No. : 004284681 Detail

AME8501: 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 --...

AME8501 Data Sheet

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Part Number:
AME8501
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/23

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Product Details

Description



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. 


Application

 
 Portable electronics
 
 Power supplies
 
 Computer peripherals
 
 Data acquisition systems
 
 Applications using CPUs
 
 Consumer electronics


Description

The AME8501 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 AME8501 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.




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