HomedatasheetADM6319BY34ARJ-R7

ADM6319BY34ARJ-R7 Datasheet

Supervisory Circuits with Watchdog and Manual Reset in 5-Lead SOT-23
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Description

GENERAL DESCRIPTION
The ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ADM6321/ADM6322 are supervisory circuits that monitor power supply voltage levels and code execution integrity in microprocessor-based systems. As well as providing power-on reset signals, an on-chip watchdog timer can reset the microprocessor if it fails to strobe within a preset timeout period. A reset signal can also be asserted by an external push button through a manual reset input. The seven devices feature different combinations of watchdog input, manual reset input, and output stage configuration, as shown in Table 1.
Each device is available in a choice of 26 reset threshold options ranging from 2.5 V to 5 V in 100 mV increments. There are also four reset timeout options of 1 ms, 20 ms, 140 ms, and 1120 ms (minimum) and four watchdog timeout options of 6.3 ms, 102 ms, 1600 ms, and 25.6 sec (typical).
The ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ADM6321/ADM6322 are available in 5-lead SOT-23 packages and typically consume only 3 μA, making them suitable for use in low power portable applications.

FEATURES
   26 reset threshold options
      2.5 V to 5 V in 100 mV increments
   4 reset timeout options
      1 ms, 20 ms, 140 ms, and 1120 ms (minimum)
   4 watchdog timeout options
   6.3 ms, 102 ms, 1600 ms, and 25.6 sec (typical)
   Manual reset input
   Reset output stages
      Push-pull active low
      Open-drain active low
      Push-pull active high
   Low power consumption: 5 μA
   Guaranteed reset output valid to VCC = 1 V
   Power supply glitch immunity
   Specified over industrial temperature range
   5-lead SOT-23 package
  
APPLICATIONS
   Microprocessor systems
   Computers
   Controllers
   Intelligent instruments
   Portable equipment

Features

Parameters


Manufacturer information

ANALOG DEVICES

Analog Devices, Inc. Introduction - Analog Devices, Inc. (NASDAQ: ADI) defines innovation and excellence in signal processing. ADI's analog, mixed-signal, and digital signal processing (DSP) integrated circuits (IC) play a fundamental role in converting, conditioning, and processing real-world phenomena such as light, sound, temperature, motion, and pressure into electrical signals to be used in a wide array of electronic equipment. ADI is synonymous with high performance among electronics manufacturers and we collaborate with our customers to define the very best in the quality of the user experience. That means the clearest image, crispest sound, and optimum interface, size and performance in thousands of entertainment, medical, communications, industrial and other applications.


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