DS1233A-15+ by Analog Devices

3.3V EconoReset

Status: Active
Series: DS1233A
RoHS: Unknown
View Datasheet Manufacturer Site View Pricing & Stock

The DS1233A EconoReset monitors two vital conditions for a microprocessor: power supply and external override. A precision temperature-compensated reference and comparator circuit are used to monitor the status of the power supply (VCC). When an out-of-tolerance condition is detected, an internal power fail signal is generated which forces reset to the active state. When VCC returns to an in-tolerance condition, the reset signal is kept in the active state for approximately 350ms to allow the power supply and processor to stabilize. The second function of the DS1233A is pushbutton reset control. The DS1233A debounces a pushbutton closure and will generate a 350ms reset pulse upon release.

Prices starting from US$0.93


Distributor Starting From Stock
Logo for Newark Electronics Newark Electronics US$0.93
180
Buy Now
Logo for element14 element14 US$0.94
180
Buy Now
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Features

Automatically restarts microprocessor after power failure
Monitors pushbutton for external override
Internal circuitry debounces pushbutton switch
Maintains reset for 350ms after VCC returns to an in-tolerance condition or pushbutton released
Accurate 10% or 15% microprocessor 3.3V power supply monitoring
Reduces need for discrete components
Precision temperature-compensated voltage reference and voltage sensor
Low-cost TO-92 package or surface mount SOT-223 package
Internal 5kΩpull-up resistor
Operating temperature of -40°C to +85°C

Specifications

Reset Thresh. (V) 2.5 to 3.3
Reset Thresh. Accur. (%) (@ +25°C) 2.5
Reset Out Active LowOpen DrainWith Internal Pull-Up
tRESET (min) 85ms to 300ms
Watchdog Feature No Watchdog
Supervisor Features Manual Reset
ICC (µA) (max) 50
Package/Pins ST223/3TO92/3
BudgetaryPrice (See Notes) 0.85


DS1233A-15+ Power Management ICs - PMIC by Analog Devices

MPU SUPERVISOR 5.5V TO-92-3

Status: Unknown
Series: -
RoHS: Unknown
View Datasheet Manufacturer Site View Pricing & Stock

Specifications

Threshold Voltage 2.72V
No. of Supervisors / Monitors 1Monitors
Supply Voltage Min 1.2V
Supply Voltage Max 5.5V
Reset Type Active-Low Open-Drain
Digital IC Case TO-92
No. of Pins 3Pins
Delay Time 350ms
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

Mpu Supervisor, 5.5V, To-92-3 | Newark Electronics
MPU SUPERVISOR, 5.5V, TO-92-3 | element14

Frequently Asked Questions

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Is the DS1233A-15+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for DS1233A-15+ have stock available?

Authorised distributors including Newark Electronics, element14 and Farnell have stock available or on a lead time for DS1233A-15+ .

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