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REV: 070607
General Description
The DS1371 is a 32-bit binary counter that is
designed to continuously count time in seconds.
An additional counter that can generate a
periodic alarm or serve as a watchdog timer is
also provided. If enabled as a watchdog timer,
the watchdog strobe input pin provides a
hardware reset of the counter. If disabled, this
counter can be used as 3 Bytes of general-
purpose RAM. A configurable output can be
used as an interrupt or provide a square wave at
one of four selectable frequencies. The device is
programmed serially through a I2C bidirectional
bus.
Applications
Servers
Point-of-Sale Equipment
Portable Instruments
Elapsed Time Measurements
Typical Operating Circuit
Features
32-Bit Binary Counter
24-Bit Binary Counter Provides Periodic
Alarm, Watchdog Timer, or RAM
Strobe Input to Reset Watchdog Timer
Single Output Configurable as Interrupt or
Square Wave
I2C Serial Interface
Low-Voltage Operation
Operating Temperature Range:
-40°C to +85°C
Available in 8-Pin
μSOP
Ordering Information
PART
TEMP RANGE
PIN-
PACKAGE
TOP
MARK
DS1371U
-40°C to +85°C
8 μSOP
1371
DS1371U+
-40°C to +85°C
8 μSOP
1371
+Denotes a lead-free/RoHS-compliant package. A + appears on the top
mark for lead-free packages.
Pin Configuration
DS1371
I2C, 32-Bit Binary Counter
Watchdog Clock
www.maxim-ic.com
TOP VIEW
μSOP
X1
X2
WDS
GND
1
2
3
4
8
7
6
5
VCC
SQW/
INT
SCL
SDA
DS1371
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相关代理商/技术参数
DS1371U+T&R 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK SERL 8USOP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:SERIAL RTC 8PIN USOP TRL LEAD FREE 制造商:Maxim Integrated Products 功能描述:IC BINARY COUNTER 32-BIT 8-USOP
DS1371U+T&R 功能描述:实时时钟 I2C 32 bit Binary Counter RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube
DS1372 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:I2C, 32-Bit, Binary Counter Clock with 64-Bit ID
DS1372U+ 功能描述:实时时钟 I2C 32 bit Binary Counter w/64 Bit ID RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube
DS1372U+T&R 制造商:Maxim Integrated Products 功能描述:RTC W/SERIAL NUMBER - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC BINARY COUNTER 32-BIT 8-USOP
DS1372U+T&R 功能描述:实时时钟 I2C 32 bit Binary Counter w/64 Bit ID RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube
DS1374 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:I2C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output
DS1374_10 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:I2C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output