型号: DS1302
厂商: Maxim Integrated Maxim Integrated
分类: 半导体集成电路 - IC
描述: real time clock trickle-charge timekeeping chip
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DS1302的详细信息

Manufacturer: Maxim Integrated
Product Category: Real Time Clock
RoHS: No
Function: Clock, Calendar, Trickle Charger, NV Timekeeping RAM
RTC Bus Interface: Serial
Time Format: HH
RTC Memory Size: 31 B
Supply Voltage - Max: 5.5 V
Supply Voltage - Min: 2 V
Maximum Operating Temperature: + 70 C
Minimum Operating Temperature: 0 C
Mounting Style: Through Hole
Package / Case: PDIP N
Packaging: Tube
Battery Backup Switching: Yes
Brand: Maxim Integrated
Series: DS1302
Factory Pack Quantity: 50
Part # Aliases: 90-13020-000
DS1302  
Trickle-Charge Timekeeping Chip  
FEATURES  
PIN CONFIGURATIONS  
Real-Time Clock Counts Seconds, Minutes,  
Hours, Date of the Month, Month, Day of the  
Week, and Year with Leap-Year  
TOP VIEW  
VCC1  
SCLK  
I/O  
VCC2  
X1  
1
2
3
4
8
7
6
5
Compensation Valid Up to 2100  
31 x 8 Battery-Backed General-Purpose RAM  
Serial I/O for Minimum Pin Count  
2.0V to 5.5V Full Operation  
X2  
CE  
GND  
DIP (300 mils)  
Uses Less than 300nA at 2.0V  
Single-Byte or Multiple-Byte (Burst Mode)  
Data Transfer for Read or Write of Clock or  
RAM Data  
VCC2  
X1  
1
2
3
4
8
7
6
5
VCC1  
SCLK  
I/O  
8-Pin DIP or Optional 8-Pin SO for Surface  
Mount  
X2  
GND  
CE  
Simple 3-Wire Interface  
TTL-Compatible (VCC = 5V)  
SO (208 mils/150 mils)  
Optional Industrial Temperature Range:  
-40°C to +85°C  
DS1202 Compatible  
Underwriters Laboratories (UL®)  
Recognized  
ORDERING INFORMATION  
PART  
TEMP RANGE  
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+  
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  
DS1302  
DS1302  
DS1302S  
DS1302S  
DS1302Z  
DS1302ZN  
DS1302N+  
DS1302S+  
DS1302SN+  
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.  
For pricing, delivery, and ordering information, please contact Maxim Direct  
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.  
REV: 120208