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DS1374U-3+T&R

Real Time Clock (RTC) IC Binary Counter I²C, 2-Wire Serial 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)

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DS1374U-3+T&R General Description

The DS1374 is a 32-bit binary counter designed to continuously count time in seconds. An additional counter generates a periodic alarm or serves as a watchdog timer. If disabled, this counter can be used as 3 bytes of nonvolatile (NV) RAM. Separate output pins are provided for an interrupt and a square wave at one of four selectable frequencies. A precision temperature-compensated reference and comparator circuit monitor the status of VCC to detect power failures, provide a reset output, and automatically switch to the backup supply when necessary.

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Key Features

  • 32-Bit Binary Counter
  • Second Binary Counter Provides Time-of-Day Alarm, Watchdog Timer, or NV RAM
  • Separate Square-Wave and Interrupt Output Pins
  • I²C Serial Interface
  • Automatic Power-Fail Detect and Switch Circuitry
  • Single-Pin Pushbutton Reset Input/Open-Drain Reset Output
  • Low-Voltage Operation
  • Trickle-Charge Capability
  • -40°C to +85°C Operating Temperature Range
  • 10-Pin µSOP, 16-Pin SO
  • Available in a Surface-Mount Package with anIntegrated Crystal (DS1374C)

Application

  • Medical Equipment
  • Point-of-Sale Equipment
  • Portable Instrumentation
  • Telecommunications

Specifications

model DS1374U-3+T&R package 10-MINI_SO-N/A
packingQty Reel,3000 packingOption Reel
packageType U10+2 rohs roHSY
lifeCycle production tempRange -40 to 85C
Manufacturer Analog Devices Inc. Product Category Real Time Clock
RoHS Details Mounting Style SMD/SMT
Package / Case uSOP-10 RTC Bus Interface Serial
Date Format Binary Time Format Binary
Battery Backup Switching Backup Switching RTC Memory Size 3 B
Supply Voltage - Max 3.3 V Supply Voltage - Min 2.97 V
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 85 C
Brand Analog Devices / Maxim Integrated Function Watchdog Timekeeper
Memory Type NV RAM Operating Supply Current 300 uA
Product Type Real Time Clocks Series DS1374U
Factory Pack Quantity 3000 Subcategory Clock & Timer ICs
Part # Aliases DS1374U 90-1374U+3TR Unit Weight 0.000818 oz

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AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

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