Automotive ICs

Convenience Timer, Automotive, 125°C Operation, 2-wire Counter S-35770 A Series

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-35770 A Series counts the number of clocks input from an external device.
The counter of the S-35770 A Series is a 24-bit binary up counter.
The counter data can be read via a 2-wire serial interface.

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.


External clock signal count function
Possible to count from 0 to 16,777,215 with an output pin for counter loop flag
Low current consumption
0.01 μA typ. 
(Vdd = 3.0 V,  Ta = +25°C, out of communication (CLKIN pin = 0 V))
Wide range of operation voltage
1.5 V to 5.5 V
2-wire (I2C-bus) CPU interface
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.


  • Various pulse counters

Parts List

  • 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.