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DS1302Z/T&R;

Description
IC RTC CLK/CALENDAR SER 8-SOIC
Categorysemiconductor    Analog mixed-signal IC   
File Size191KB,13 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Download Datasheet Parametric View All

DS1302Z/T&R; Overview

IC RTC CLK/CALENDAR SER 8-SOIC

DS1302Z/T&R; Parametric

Parameter NameAttribute value
typeclock/calendar
characteristicLeap Year, NVSRAM, Trickle Charger
storage31B
Time formatHH:MM:SS (12/24 hours)
date formatYY-MM-DD-dd
interface3-wire serial port
Voltage - Power2 V ~ 5.5 V
Voltage - power supply, battery2 V ~ 5.5 V
Current - Timing (maximum)0.3µA ~ 1µA @ 2V ~ 5V
Operating temperature0°C ~ 70°C
Installation typesurface mount
Package/casing8-SOIC (0.154", 3.90mm wide)
Supplier device packaging8-SOIC
DS1302
Trickle-Charge Timekeeping Chip
BENEFITS AND FEATURES
Completely Manages All Timekeeping Functions
o
Real-Time Clock Counts Seconds,
Minutes, Hours, Date of the Month, Month,
Day of the Week, and Year with Leap-Year
Compensation Valid Up to 2100
o
31 x 8 Battery-Backed General-Purpose
RAM
Simple Serial Port Interfaces to Most
Microcontrollers
o
Simple 3-Wire Interface
o
TTL-Compatible (V
CC
= 5V)
o
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
o
2.0V to 5.5V Full Operation
o
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
PIN CONFIGURATIONS
TOP VIEW
V
CC2
X1
X2
GND
1
8
V
CC1
SCLK
I/O
CE
2
3
4
DS1302
7
6
5
DIP (300 mils)
V
CC2
X1
X2
GND
1
2
3
4
DS1302
8
7
6
5
V
CC1
SCLK
I/O
CE
SO (208 mils/150 mils)
ORDERING INFORMATION
PART
DS1302+
DS1302N+
DS1302S+
DS1302SN+
DS1302Z+
DS1302ZN+
TEMP RANGE
0°C to +70°C
-40°C to +85°C
0°C to +70°C
-40°C to +85°C
0°C to +70°C
-40°C to +85°C
PIN-PACKAGE
8 PDIP (300 mils)
8 PDIP (300 mils)
8 SO (208 mils)
8 SO (208 mils)
8 SO (150 mils)
8 SO (150 mils)
TOP MARK*
DS1302
DS1302
DS1302S
DS1302S
DS1302Z
DS1302ZN
+Denotes a lead-free/RoHS-compliant package.
*An N anywhere on the top mark indicates an industrial temperature grade device. A + anywhere on the top mark indicates a lead-free device.
UL is a registered trademark of Underwriters Laboratories, Inc.
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