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DS1302Z+ +BOM

Real Time Clock (RTC) IC Clock/Calendar 31B 3-Wire Serial 8-SOIC (0.154", 3.90mm Width)

DS1302Z+ General Description

IC, RTC TRICKLE CHARGE, 1302, SOIC8; Date Format: Day; Date; Month; Year; Clock Format: HH: MM: SS; Clock IC Type: Timekeeper; Supply Voltage Min: 2V; Supply Voltage Max: 5.5V; Clock IC Case Style: SOIC; No. of Pins: 8Pins; IC Interface Type: 3 Wire, Serial; Operating Temperature Min: 0°C; Operating Temperature Max: 70°C; Product Range: -; Automotive Qualification Standard: -; MSL: MSL 1 - Unlimited; SVHC: No SVHC (15-Jun-2015); Base Number: 1302; Bus Type: 3 wire; Clock Frequency: 32.768MHz; Device Marking: DS1302Z+; IC Temperature Range: Commercial; Logic Function Number: 1302; Memory Type: RAM; No. of Outputs: 1Outputs; Operating Temperature Range: 0°C to +70°C; RTC Features: Trickle Charger; Supply Voltage Range: 2V to 5.5V; Type: RTC; Voltage Vcc Max: 5V; Voltage Vcc Min: 3V

Key Features

  • Completely Manages All Timekeeping Functions
    • Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of theWeek, and Year with Leap-Year Compensation Valid Up to 2100
    • 31 x 8 Battery-Backed General-Purpose RAM
  • Simple Serial Port Interfaces to Most Microcontrollers
    • Simple 3-Wire Interface
    • TTL-Compatible (VCC = 5V)
    • Single-Byte or Multiple-Byte (Burst Mode)Data Transfer for Read or Write of Clock or RAM Data
  • Low Power Operation Extends Battery Backup Run Time
    • 2.0V to 5.5V Full Operation
    • Uses Less Than 300nA at 2.0V
  • 8-Pin DIP and 8-Pin SO Minimizes Required Space
  • Optional Industrial Temperature Range: -40°C to +85°C Supports Operation in a Wide Range of Applications
  • Underwriters Laboratories® (UL) Recognized


Pbfree Code Yes Part Life Cycle Code Transferred
Pin Count 8 Reach Compliance Code compliant
ECCN Code EAR99 HTS Code 8542.39.00.01
Additional Feature BURST MODE RAM DATA TRANSFER; TIMEKEEPING CURRENT = 0.3UA Clock Frequency-Max 0.032 MHz
Information Access Method SERIAL, 3-WIRE Interrupt Capability N
JESD-30 Code R-PDSO-G8 JESD-609 Code e3
Length 4.9 mm Moisture Sensitivity Level 1
Number of Terminals 8 Operating Temperature-Max 70 °C
Operating Temperature-Min Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified Seated Height-Max 1.75 mm
Supply Voltage-Max 5.5 V Supply Voltage-Min 2 V
Supply Voltage-Nom 3.3 V Surface Mount YES
Technology CMOS Temperature Grade COMMERCIAL
Terminal Finish MATTE TIN Terminal Form GULL WING
Terminal Pitch 1.27 mm Terminal Position DUAL
Time-Min SECONDS Time@Peak Reflow Temperature-Max (s) 30
Volatile YES Width 3.9 mm
uPs/uCs/Peripheral ICs Type TIMER, REAL TIME CLOCK

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