DS1685E-3

Maxim Integrated DS1685E-3

Part Number:
DS1685E-3
Manufacturer:
Maxim Integrated
Ventron No:
3004095-DS1685E-3
Description:
IC RTC CLK/CALENDAR PAR 24-TSSOP
ECAD Model:
Datasheet:
DS1685E-3

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Overview
Description
The DS1685/DS1687 are real-time clocks (RTCs) that incorporate the industry-standard DS1287 RTC clock with enhanced features. These RTCs are Y2K compliant and can operate at either 3V or 5V. They feature a 64-bit silicon serial number, power-control circuitry that supports system power-on from date/time alarm or key closure, a 32kHz output for power management, and a crystal-select bit that allows the RTC to operate with either a 6pF or 12.5pF crystal. The DS1685/DS1687 also have a SMI recovery stack and 242 bytes of battery-backed NV RAM.

Features
Incorporates industry-standard DS1287 RTC clock plus enhanced features
Y2K compliant
3V or 5V operation
64-bit silicon serial number
Power-control circuitry supports system power-on from date/time alarm or key closure
32kHz output for power management
Crystal-select bit allows RTC to operate with either 6pF or 12.5pF crystal
SMI recovery stack
242 bytes of battery-backed NV RAM

Applications
Embedded systems
Utility meters
Security systems
Network hubs, bridges, and routers
Specifications
Maxim Integrated DS1685E-3 technical specifications, attributes, parameters and parts with similar specifications to Maxim Integrated DS1685E-3 .
  • Factory Lead Time
    6 Weeks
  • Mount
    Surface Mount
  • Mounting Type
    Surface Mount
  • Package / Case
    24-TSSOP (0.173, 4.40mm Width)
  • Number of Pins
    24
  • Operating Temperature
    0°C~70°C
  • Packaging
    Tube
  • Published
    2000
  • JESD-609 Code
    e3
  • Feature
    Alarm, NVSRAM, Square Wave Output, Y2K
  • Pbfree Code
    yes
  • Part Status
    Active
  • Moisture Sensitivity Level (MSL)
    1 (Unlimited)
  • Number of Terminations
    24
  • ECCN Code
    EAR99
  • Terminal Finish
    Matte Tin (Sn)
  • HTS Code
    8473.30.11.80
  • Subcategory
    Timer or RTC
  • Technology
    CMOS
  • Voltage - Supply
    2.7V~3.7V
  • Terminal Position
    DUAL
  • Peak Reflow Temperature (Cel)
    260
  • Supply Voltage
    3V
  • Terminal Pitch
    0.65mm
  • Base Part Number
    DS1685
  • Pin Count
    24
  • Operating Supply Voltage
    3V
  • Power Supplies
    3V
  • Interface
    Parallel
  • Memory Size
    242B
  • Clock Frequency
    0.032MHz
  • Logic Function
    Clock
  • Number of Timers
    1
  • Time Format
    HH:MM:SS (12/24 hr)
  • Date Format
    YY-MM-DD-dd
  • Current - Timekeeping (Max)
    2mA @ 3V
  • Time-Min
    SECONDS
  • Interrupt Capability
    Y
  • Voltage - Supply, Battery
    2.5V~3.7V
  • Volatile
    YES
  • Height
    950μm
  • Length
    7.9mm
  • Width
    4.5mm
  • Radiation Hardening
    No
  • REACH SVHC
    Unknown
  • RoHS Status
    ROHS3 Compliant
  • Lead Free
    Lead Free
Certification
  • ISO 9001
  • ISO 13485
  • ISO 45001
  • ASA
  • ESD
  • DUNS
  • SMTA
  • ROHS

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