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DS1673S-3-

Description
Coin Cell Battery 3V 20X3.2MM 225mAH
Categorysemiconductor    Analog mixed-signal IC   
File Size224KB,18 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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DS1673S-3- Overview

Coin Cell Battery 3V 20X3.2MM 225mAH

DS1673S-3- Parametric

Parameter NameAttribute value
Product CategoryReal Time Clock
ManufacturerMaxim
RoHSDetails
Mounting StyleSMD/SMT
Package / CaseSO-20
RTC Bus InterfaceSerial, 3-Wire
Date FormatYY-MM-DD-dd
Time FormatHH:MM:SS (12 hr, 24 hr)
Battery Backup SwitchingBackup Switching
Supply Voltage - Max5.5 V
Supply Voltage - Min2.7 V
Maximum Operating Temperature+ 70 C
Minimum Operating Temperature0 C
PackagingTube
FunctionAlarm, Calendar, Clock
Memory TypeNV RAM
ProductReal Time Clocks
Factory Pack Quantity36
Unit Weight0.009408 oz
DS1673
Portable System Controller
www.maxim-ic.com
GENERAL DESCRIPTION
The DS1673 portable system controller is a circuit
that incorporates many of the functions necessary for
low-power portable products integrated into one chip.
The device provides a real-time clock (RTC), NV
RAM controller, microprocessor monitor, and a
3-channel, 8-bit analog-to-digital converter (ADC).
Communication with the DS1673 is established
through a simple 3-wire interface.
The RTC provides seconds, minutes, hours, day,
date, month, and year information with leap year
compensation. The RTC also provides an alarm
interrupt. This interrupt works when the DS1673 is
powered by the system power supply or when in
battery-backup operation, so the alarm can be used to
wake up a system that is powered down.
Automatic backup and write protection of an external
SRAM is provided through the V
CCO
,
CEOL,
and
CEOH
pins. The backup energy source used to power
the RTC is also used to retain RAM data in the
absence of V
CC
through the V
CCO
pin. The chip-
enable outputs to RAM (CEOL and
CEOH)
are
controlled during power transients to prevent data
corruption.
FEATURES
Provides 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
Power-Control Circuitry Supports System
Power-On from Day/Time Alarm
Microprocessor Monitor
Halts Microprocessor During Power Fail
Automatically Restarts Microprocessor after
Power Failure
Monitors Pushbutton for External Override
Halts and Resets an Out-of-Control
Microprocessor
NV RAM Control
Automatic Battery Backup and Write Protection
to External SRAM
3-Channel, 8-Bit ADC
Simple 3-Wire Interface
+3.0V or +5.0V Operation
PIN CONFIGURATION
TOP VIEW
V
BAT
V
CCO
SCLK
1
2
3
4
5
6
7
8
9
10
DS1673
20
19
18
17
16
15
14
13
12
11
ST
V
CC
X1
X2
AIN0
AIN1
AIN2
RST
BLE
BHE
ORDERING INFORMATION
PART*
DS1673E-3
DS1673E-3+
DS1673E-5
DS1673E-3/
T&R
DS1673E-3+
T&R
DS1673E-5/
T&R
DS1673S-3
DS1673S-5
VOLTAGE
(V)
3.0
3.0
5.0
3.0
3.0
5.0
3.0
5.0
PIN-
PACKAGE
20 TSSOP
20 TSSOP
20 TSSOP
20 TSSOP
20 TSSOP
20 TSSOP
20 SO
20 SO
TOP MARK†
DS1673-3
DS1673-3
DS1673-5
DS1673-3
DS1673-3
DS1673-5
DS1673S-3
DS1673S-5
I/O
CS
CEI
CEOL
CEOH
INT
GND
TSSOP (4.4mm)
SO (300 mils)
*
All devices are specified over the 0°C to +70°C operating range.
A “‘+” anywhere on the top mark denotes a lead-free device.
+ Denotes a lead(Pb)-free/RoHS-compliant device.
1 of 18
REV: 080805

DS1673S-3- Related Products

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Description Coin Cell Battery 3V 20X3.2MM 225mAH Real Time Clock Portable System Controller
Product Category Real Time Clock Real Time Clock
Manufacturer Maxim Maxim
RoHS Details Details
Battery Backup Switching Backup Switching Backup Switching
Packaging Tube Reel
Factory Pack Quantity 36 1000
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