Product Summary

Datasheets DS1302
Product Photos 8-SOIC
Mfg Application Notes Crystal Considerations with Maxim Real-Time Clocks (RTCs)
Using the Dallas Tricklecharge Timekeeper
Using the Dallas Tricklecharge Timekeeper
Design Considerations for Maxim Real-Time Clocks
Lithium Coin-Cell Batteries: Predicting an Application Lifetime
Using the DS32kHz with Maxim Real-Time Clocks
Interfacing a DS1302 With an 8051-Type Microcontroller
Estimating Super Capacitor Backup Time on Trickle-Charger Real-Time Clocks
Selecting a Backup Source for Real-Time Clocks
Oscillator Design Considerations for Low-Current Applications
State Machine Logic in Binary-Coded Decimal (BCD)-Formatted Real-Time Clocks
Product Training Modules Lead (SnPb) Finish for COTS
Long-Term Supply Program
Featured Product DS1302 Trickle-Charge Timekeeping Chip
Standard Package 88
Category Integrated Circuits (ICs)
Family Clock/Timing - Real Time Clocks
Series -
Packaging Tube
Type Clock/Calendar
Features Leap Year, NVSRAM, Trickle-Charger
Memory Size 31B
Time Format HH:MM:SS (12/24 hr)
Date Format YY-MM-DD-dd
Interface 3-Wire Serial
Voltage - Supply 2 V ~ 5.5 V
Voltage - Supply, Battery 2 V ~ 5.5 V
Current - Timekeeping (Max) 0.3μA ~ 1μA @ 2V ~ 5V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.209", 5.30mm Width)
Supplier Device Package 8-SO
Online Catalog Serial Address

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
DS1302S
DS1302S

Maxim Integrated Products

Real Time Clock Trickle-Charge Timekeeping Chip

Data Sheet

0-6900: $1.20
DS1302S/T&R
DS1302S/T&R

Maxim Integrated Products

Real Time Clock Trickle-Charge Timekeeping Chip

Data Sheet

0-2000: $1.03
2000-7210: $1.03
DS1302S+
DS1302S+

Maxim Integrated Products

Real Time Clock Trickle-Charge Timekeeping Chip

Data Sheet

0-1: $2.23
1-25: $1.50
25-50: $1.09
50-100: $1.07
DS1302S+T&R
DS1302S+T&R

Maxim Integrated Products

Real Time Clock Trickle-Charge Timekeeping Chip

Data Sheet

0-1530: $0.89
1530-2000: $0.87
DS1302S-16
DS1302S-16

Maxim Integrated Products

Real Time Clock Trickle-Charge Timekeeping Chip

Data Sheet

0-6905: $2.46
DS1302S-16/T&R
DS1302S-16/T&R

Maxim Integrated Products

Real Time Clock Trickle-Charge Timekeeping Chip

Data Sheet

0-1000: $1.93
1000-6920: $1.93
DS1302SN
DS1302SN

Maxim Integrated Products

Real Time Clock Trickle-Charge Timekeeping Chip

Data Sheet

0-6910: $1.49
DS1302SN+T&R
DS1302SN+T&R

Maxim Integrated Products

Real Time Clock Trickle-Charge Timekeeping Chip

Data Sheet

0-1670: $0.89
1670-2000: $0.89