ADM6321
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ADM6321

Supervisory Circuit with Watchdog, Manual Reset, and Active-High/Push-Pull Active-Low/Open-Drain

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Info: : PRODUCTION tooltip
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Part Details
Part Models 5
1ku List Price Starting From $0.66
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
Additional Details
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The ADM6316 / 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 of the data sheet.

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). Not all device options are released for sale as standard models. See the Ordering Guide in the data sheet for details.

The ADM6316/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.

APPLICATIONS

  • Microprocessor systems
  • Computers and controllers
  • Intelligent instruments
  • Portable equipment
Part Models 5
1ku List Price Starting From $0.66

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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ADM6321AY43ARJZ-R7
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ADM6321BZ25ARJZ-R7
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ADM6321CY46ARJZ-R7
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Feb 4, 2010

- 10_0009

Halogen Free Material Change for SOT_23 Products

ADM6321AY43ARJZ-R7

PRODUCTION

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Part Models

Product Lifecycle

PCN

Feb 4, 2010

- 10_0009

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Halogen Free Material Change for SOT_23 Products

ADM6321AY43ARJZ-R7

PRODUCTION

ADM6321BZ25ARJZ-R7

PRODUCTION

ADM6321CY46ARJZ-R7

PRODUCTION

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