DS1672U-33

Maxim Integrated DS1672U-33

Part Number:
DS1672U-33
Manufacturer:
Maxim Integrated
Ventron No:
3003690-DS1672U-33
Description:
IC RTC BINARY CNT I2C 8-USOP
ECAD Model:
Datasheet:
DS1672U-33

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Overview
Description
The DS1672 is an I²C 32-bit binary counter RTC that incorporates a 32-bit counter and power-monitoring functions. The counter is designed to count seconds and can be used to derive time-of-day, week, month, and year using a software algorithm. A precision temperature-compensated reference comparator circuit monitors the status of Vcc. When an out-of-tolerance condition occurs, an internal power-fail signal is generated that forces the reset to the active state. When Vcc returns to an in-tolerance condition, the reset signal is kept in the active state for a period of time to allow the power supply and processor to stabilize.

Features
32-bit counter
I²C serial interface
Automatic power-fail detect and switch circuitry
Power-fail reset output
Low-voltage oscillator operation (1.3V min)
Trickle-charge capability
Underwriters Laboratories (UL) recognized
-40°C to 85°C operating range

Applications
Time-of-day clocks
Calendars
Timers
Counters
Power-fail detection
Battery backup systems
Specifications
Maxim Integrated DS1672U-33 technical specifications, attributes, parameters and parts with similar specifications to Maxim Integrated DS1672U-33 .
  • Factory Lead Time
    6 Weeks
  • Mounting Type
    Surface Mount
  • Package / Case
    8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
  • Surface Mount
    YES
  • Number of Pins
    8
  • Operating Temperature
    -40°C~85°C
  • Packaging
    Tube
  • Published
    2002
  • JESD-609 Code
    e3
  • Feature
    Trickle-Charger
  • Pbfree Code
    yes
  • Part Status
    Active
  • Moisture Sensitivity Level (MSL)
    1 (Unlimited)
  • Number of Terminations
    8
  • ECCN Code
    EAR99
  • Terminal Finish
    Matte Tin (Sn)
  • Subcategory
    Timers or RTCs
  • Technology
    CMOS
  • Voltage - Supply
    2.97V~3.63V
  • Terminal Position
    DUAL
  • Peak Reflow Temperature (Cel)
    260
  • Supply Voltage
    3.3V
  • Terminal Pitch
    0.65mm
  • Reflow Temperature-Max (s)
    30
  • Base Part Number
    DS1672
  • Pin Count
    8
  • Number of Outputs
    1
  • Qualification Status
    Not Qualified
  • Power Supplies
    3.3V
  • Interface
    I2C, 2-Wire Serial
  • Number of Bits
    32
  • Time Format
    Binary
  • Current - Timekeeping (Max)
    500μA @ 3.63V
  • Time-Min
    SECONDS
  • Interrupt Capability
    N
  • Voltage - Supply, Battery
    1.3V~3.63V
  • Volatile
    NO
  • Information Access Method
    I2C
  • Length
    3mm
  • Width
    3mm
  • RoHS Status
    ROHS3 Compliant
  • Lead Free
    Lead Free
Certification
  • ISO 9001
  • ISO 13485
  • ISO 45001
  • ASA
  • ESD
  • DUNS
  • SMTA
  • ROHS

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