STM804

Features: RST OR RST OUTPUTS NVRAM SUPERVISOR FOR EXTERNAL LPSRAM CHIP-ENABLE GATING (STM795 only) FOR EXTERNAL LPSRAM (7ns max PROP DELAY) MANUAL (PUSH-BUTTON) RESET INPUT 200ms (TYP) trec WATCHDOG TIMER - 1.6sec (TYP) AUTOMATIC BATTERY SWITCHOVER LOW BATTERY SUPPLY CURRENT - 0.4A (TYP) POWER-FA...

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STM804 Picture
SeekIC No. : 004508226 Detail

STM804: Features: RST OR RST OUTPUTS NVRAM SUPERVISOR FOR EXTERNAL LPSRAM CHIP-ENABLE GATING (STM795 only) FOR EXTERNAL LPSRAM (7ns max PROP DELAY) MANUAL (PUSH-BUTTON) RESET INPUT 200ms (TYP) trec WATCHDO...

floor Price/Ceiling Price

Part Number:
STM804
Supply Ability:
5000

Price Break

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

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Upload time: 2024/5/16

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Product Details

Description



Features:

RST OR RST OUTPUTS
NVRAM SUPERVISOR FOR EXTERNAL LPSRAM
CHIP-ENABLE GATING (STM795 only) FOR EXTERNAL LPSRAM (7ns max PROP DELAY)
MANUAL (PUSH-BUTTON) RESET INPUT
200ms (TYP) trec
WATCHDOG TIMER - 1.6sec (TYP)
AUTOMATIC BATTERY SWITCHOVER
LOW BATTERY SUPPLY CURRENT - 0.4A (TYP)
POWER-FAIL COMPARATOR (PFI/PFO)
LOW SUPPLY CURRENT - 40A (TYP)
GUARANTEED RST (RST) ASSERTION DOWN TO VCC = 1.0V
OPERATING TEMPERATURE:
40°C to 85°C (Industrial Grade)



Pinout

  Connection Diagram


Specifications

Symbol Parameter Value Unit
TSTG Storage Temperature (VCC Off) 55 to 150
TSLD (1) Lead Solder Temperature for 10 seconds 260
VIO Input or Output Voltage 0.3 to VCC +0.3 V
VCC/VBAT Supply Voltage 0.3 to 6.0 V
IO Output Current 20 mA
PD Power Dissipation 320 mW



Description

The STM690/704/795/802/STM804/805/806 Supervisors are self-contained devices which provide microprocessor supervisory functions with the ability to non-volatize and write-protect external LPSRAM. A precision voltage reference and comparator monitors the VCC input for an out-of-tolerance condition. When an invalid VCC condition occurs, the reset output (RST) is forced low (or high in the case of RST). These devices also offer a watchdog timer (except for STM704/795/STM804) as well as a power-fail comparator (except for STM795) to provide the system with an early warning of impending power failure.

These STM804 are available in a standard 8-pin SOIC package or a space-saving 8-pin TSSOP package.




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