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DS1371 Datasheet

  • DS1371

  • 2-Wire, 32-Bit Binary Counter Watchdog Clock

  • 14頁

  • MAXIM   MAXIM

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DS1371
2-Wire, 32-Bit Binary Counter
Watchdog Clock
www.maxim-ic.com
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 2-wire
bidirectional bus.
Features
摟
摟
摟
摟
摟
摟
摟
摟
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
2-Wire Serial Interface
Low-Voltage Operation
Operating Temperature Range:
-40擄C to +85擄C
Available in 8-Pin
mSOP
Ordering Information
PART
DS1371U
TEMP RANGE
-40擄C to +85擄C
PIN-
PACKAGE
8 碌SOP
TOP
MARK
DS1371
Applications
Servers
Point-of-Sale Equipment
Portable Instruments
Elapsed Time Measurements
Pin Configuration
TOP VIEW
Typical Operating Circuit
X1
X2
WDS
GND
1
2
3
4
8
7
6
5
V
CC
SQW/INT
SCL
SDA
DS1371
碌SOP
Note:
Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device
may be simultaneously available through various sales channels. For information about device errata, click here:
www.maxim-ic.com/errata.
1 of 14
REV: 051203

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