Purchase DS1374, In-stock DS1374 From SeekIC.
Part Number: DS1374
Description: The DS1374 is a 32-bit binary counter designed to continuously count time in seconds. An additional counter gen-era...
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DS1374
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Suppliers
DataSheet
General Description
DS1374 General Description
The DS1374 is a 32-bit binary counter designed to continuously count time in seconds. An additional counter gen-
erates a periodic alarm or serves as a watchdog timer. If disabled, this counter can be used as 3 bytes of non-
volatile (NV) RAM. Separate output pins are provided for an interrupt and a square wave at one of four selectable
frequencies. A precision temperature-compensated reference and comparator circuit monitor the status of VCC to
detect power failures, provide a reset output, and automatically switch to the backup supply when necessary.
Additionally, the reset pin is monitored as a pushbutton input for externally generating a reset. The device is pro-
grammed serially through an I 2 C(TM) serial interface.
DS1374 Maximum Ratings
Voltage Range on VCC Pin Relative to Ground.....-0.3V to +6.0V
Voltage Range on SDA, SCL, and WDS
Relative to Ground....................................-0.3V to VCC + 0.3V
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range.............................-55°C to +125°C
Soldering Temperature Range........................See the Handling,
PC Board Layout, and Assembly section.
DS1374 Features
32-Bit Binary Counter
Second Binary Counter Provides Time-of-Day
Alarm, Watchdog Timer, or NV RAM
Separate Square-Wave and Interrupt Output Pins
I 2C Serial Interface
Automatic Power-Fail Detect and Switch Circuitry
Single-Pin Pushbutton Reset Input/Open-Drain
Reset Output
Low-Voltage Operation
Trickle-Charge Capability
-40°C to +85°C Operating Temperature Range
10-Pin SOP, 16-Pin SO
Available in a Surface-Mount Package with an
Integrated Crystal (DS1374C)
Underwriters Laboratory (UL) Recognized
Second Binary Counter Provides Time-of-Day
Alarm, Watchdog Timer, or NV RAM
Separate Square-Wave and Interrupt Output Pins
I 2C Serial Interface
Automatic Power-Fail Detect and Switch Circuitry
Single-Pin Pushbutton Reset Input/Open-Drain
Reset Output
Low-Voltage Operation
Trickle-Charge Capability
-40°C to +85°C Operating Temperature Range
10-Pin SOP, 16-Pin SO
Available in a Surface-Mount Package with an
Integrated Crystal (DS1374C)
Underwriters Laboratory (UL) Recognized
DS1374 Typical Application
Portable Instruments
Point-of-Sale Equipment
Medical Equipment
Telecommunications
Point-of-Sale Equipment
Medical Equipment
Telecommunications
DS1374 Connection Diagram
DS1374
PDF/DataSheet Download
- Datasheet: DS1374
- File Size: 610757 KB
- Manufacturer: Maxim/Dallas
- Click here to Download
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