Timer ICs / ASSPs

Counter IC with 2-wire (I2C-bus) Interface S-35770

DatasheetJun. 17, 2019

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The counter IC allows for counting externally input clocks.
The counter of the S-35770 is a 24-bit binary-up counter. The counter data can be read via a 2-wire serial interface.


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 +85°C
Lead-free (Sn 100%), halogen-free



  • Various measurement equipment
  • Infrastructure-related meter
  • Amusement equipment
  • Life counter