Automotive ICs

Convenience Timer, Automotive, 125°C Operation, 2-wire Interval Timer S-35740 A Series

DatasheetApr. 22, 2019

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The convenience timer is a CMOS timer IC which operates with low current consumption, and is suitable for the time management of the relative time.
The S-35740 A Series outputs the fixed-cycle interrupt signal. The frequency and duty ratio of the fixed-cycle interrupt signal can be set freely by users via a 2-wire serial interface.
The S-35740 A Series has a 24-bit timer. For example, users can obtain the cumulative energization time of the system since the timer performs a count-up action every second.

Caution: This product can be used in vehicle equipment and in-vehicle equipment. Before using the product for these purposes, it is imperative to contact our sales representatives.

Features

Fixed-cycle interrupt signal output function
Settable frequency and duty ratio, with an output control pin
Low current consumption
T.B.D.
(Crystal oscillator: Cl = 6 pF, Vdd = 3.0 V, ENBL pin = "L", Ta = +25°C)
Wide range of operation voltage
1.8 V to 5.5 V
2-wire (I2C-bus) CPU interface
Built-in 32.768 kHz crystal oscillation circuit
Operation temperature range
Ta = -40°C to +125°C
Lead-free (Sn 100%), halogen-free
AEC-Q100 qualified*1

*1. Contact our sales representatives for details.

Applications

  • Safety critical components typified by engine, transmission, suspension and ABS, and EV/HEV/PHEV related equipment, etc.
  • Meter, body, headlamp, ITS, etc.
  • Accessory, car navigation, car audio system, etc.

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  • U(Ux), S and G at the end of the product name of ABLIC Inc. were used to indicate different material specifications as “environmental code”,
    however, these have now been unified into “lead-free and halogen-free” and are identical in terms of environmental quality.
  • Note: Lead-free plating other than 100% Sn is applied to some limited old products, therefore, please contact our sales representatives for details.
  • These descriptions may be different from the actual product name and parameter.
    Please confirm the product name and specifications with the data sheet again.
  • The information herein is subject to change without notice.