Counter ICs

A counter IC (integrated circuit) are electronic devices that are designed for counting externally input clock pulses.

How does a counter IC work?

This IC operates by reading the counter data output via the I2C-bus serial interface from a microcontroller or another system. It has a configuration of a 24-bit binary-up counter and can count from 0 to 24 bit and also operates at a ultra-low current consumption in comparison to that of a event counter in a microcontroller.

Types of Counter ICs

Counter ICs have a range of different types of configurations such as;

Shift registers - Shift registers are a sequential logic device made up of a cascade of flip-flops, through which a sequence of bits are ’shifted’. These devices are commonly used to convert between serial and parallel interfaces.

Clock Generator - Clock Generators produces a clock signal for use in synchronizing a circuit's operation.

Dividers - Dividers also known as clock dividers provide an output clock signal that is a divided frequency of the input.

There are also various types of counter types such as BCD, Binary, Decade, Divide by N and Octal.

Applications of Counter ICs

Counter ICs are widely used in an array of applications such as;

  • Frequency counters
  • Digital clocks
  • ADCs (Analog to digital converters)
  • Time measurement

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Description Price Package Type Logic Function Number of Stages Logic Family Mounting Type Counter Type Operation Mode Number of Elements Pin Count Minimum Operating Supply Voltage Maximum Operating Supply Voltage Dimensions Length Width
RS Stock No. 169-5691
Mfr. Part No.SN74LV595ADR
HK$3.111
Each (On a Reel of 2500)
units
SOIC Shift Register 8 LV Surface Mount - Serial to Serial/Parallel 1 16 2 V 5.5 V 9.9 x 3.91 x 1.58mm - -
RS Stock No. 663-2717
Mfr. Part No.SN74LV165APW
HK$4.598
Each (In a Pack of 10)
units
TSSOP Shift Register 8 LV Surface Mount - Parallel, Serial to Serial 1 16 2 V 5.5 V 5 x 4.4 x 1.15mm - -
RS Stock No. 144-9973
Mfr. Part No.SN74HC164PW
HK$3.476
Each (In a Tube of 90)
units
TSSOP Shift Register 8 HC Surface Mount - Serial to Parallel 1 14 2 V 6 V 5 x 4.4 x 1.15mm - -
RS Stock No. 541-9178
Mfr. Part No.TC74HC4020AF(F)
BrandToshiba
HK$6.736
Each (In a Pack of 5)
units
SOP Counter 14 HC Surface Mount Binary Up Counter 1 16 2 V 6 V - - -
RS Stock No. 184-1289
Mfr. Part No.MM74HC595M
HK$5.838
Each (In a Pack of 20)
units
SOIC Shift Register 8 74HC Surface Mount - Parallel, Serial 1 16 2 V 6 V 10 x 4 x 1.5mm - -
RS Stock No. 171-3326
Mfr. Part No.74VHC165FT
BrandToshiba
HK$0.943
Each (On a Reel of 2500)
units
TSSOP Shift Register - 74VHC Surface Mount - Serial to Parallel 1 16 2 V 5.5 V 5.02 x 4.4 x 1mm - -
RS Stock No. 178-9115
Mfr. Part No.CD74HC4060M
HK$4.594
Each (In a Tube of 40)
units
SOIC Counter 14 HC Surface Mount Binary Up Counter 1 16 2 V 6 V 9.9 x 3.91 x 1.58mm - -
RS Stock No. 145-0703
Mfr. Part No.CD74HCT390M
HK$5.28
Each (In a Tube of 40)
units
SOIC Counter, Divider 4 HCT Surface Mount Decade Up Counter 2 16 4.5 V 5.5 V 9.9 x 3.91 x 1.58mm - -
RS Stock No. 169-5675
Mfr. Part No.SN74HC166DR
HK$1.281
Each (On a Reel of 2500)
units
SOIC Shift Register 8 HC Surface Mount - Parallel, Serial to Serial 1 16 2 V 6 V 9.9 x 3.91 x 1.58mm - -