DS1318E+ by Analog Devices

Parallel-Interface Elapsed Time Counter


The DS1318 parallel-interface elapsed time counter (ETC) is a 44-bit counter that maintains the amount of time that the device operates from main and/or backup power or during an external event. The internal frequency of the counter clock is 4.096kHz, which provides a 244µs resolution and a maximum count of over 136 years. A built-in power-sense circuit detects power failures, automatically switches to the backup supply, and controls the timer. If an external event timer is desired, the control input EXT can control the counter operation. An open-drain output provides an interrupt, and a square-wave output provides a programmable square wave. The DS1318 is accessed through a byte-wide parallel interface, and operates over the industrial temperature range.

Where to Buy

Prices starting from US$2.86

Distributor Stock
Logo for Farnell
Farnell
from US$5.32
No stock
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Logo for Analog Devices
Analog Devices
from US$2.86
12,660
in stock
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Logo for element14
element14
from US$3.34
-
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Newark Electronics
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Features

Byte-Wide Parallel Interface
44-Bit Binary Counter Provides Timer with 244µs Resolution
Automatic Power-Fail Detect and Switch Circuitry Selects Power Source from the Primary Power and the Battery, and Write Protects the Internal Registers
Internal Power-Fail Circuit Allows Timer to Provide Primary or Battery Operation Times
Timer can Alternately Provide an Event Timer of Either an Active-High or Active-Low Pulse
Interrupt Output Generated Periodically or When the Upper 32 Bits of the Counter Match an Alarm Register
Square-Wave Output with 16 Selectable Frequencies from 32.768kHz to 0.5Hz
+3.3V Operation
Industrial Temperature Range: -40°C to +85°C

Specifications

Interface Bytewide parallel
VSUPPLY (V) 3 to 3.6
Date/ Time Format (hh = sec/100) Binary
Time Keeping Current (nA) (typ) 750
CL (pF) 12.5
Memory Type None
Time of Day Alarms 1
Package/Pins TSSOP/24
BudgetaryPrice (See Notes) 2.32


DS1318E+ Semiconductors - ICs by Analog Devices

ELAPSED TIME COUNTER BINARY TSSOP-24

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Date Format Binary
Clock Format Binary
Clock IC Type Elapsed Time Recorder
Supply Voltage Min 3V
Supply Voltage Max 3.6V
Clock IC Case Style TSSOP
No. of Pins 24Pins
IC Interface Type Bytewide
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

Parallel-Interface Elapsed Tim | Analog Devices
ELAPSED TIME COUNTER, BINARY, TSSOP-24 | Farnell
Elapsed Time Counter, Binary, Tssop-24 | Newark Electronics

Frequently Asked Questions

Where can I find additional details, specifications and documents for a DS1318E+ ?

Additional datasheets, footprints and schematics for DS1318E+ are listed on our Part Details page. You can also find images and similar parts to DS1318E+ on this page.

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Is the DS1318E+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for DS1318E+ have stock available?

Authorised distributors including Analog Devices, element14, Farnell and Newark Electronics have stock available or on a lead time for DS1318E+ .

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