CD4035 Parallel In/Parallel Out Shift Register

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CD4035B is a four-stage clocked signal serial register with provision for synchronous Parallel inputs to each stage and Serial inputs to the first stage via JK logic. The CD4035 shift register is commonly used in Counters, Registers and Control circuits.

Pin Description of CD4035:

Pin NumberPin NameDescription
9, 10, 11, 12PI-1 to PI-4Parallel Inputs
1, 15, 14, 13Q1/Q1 to Q4/Q4True/Complement Outputs
5RESETReset Input
4, 3J, KSerial Inputs
6CLOCK Clock Input
7P/SParallel/Serail Control
2TRUE/COMPTrue/Complement Control
8VSSGroung
16Vdd (Vcc)Supply Voltage – 5V, 10V, 15V

Features of CD4035:

  • Dual 4-bit,  Parallel In – Parallel out Shift register
  • Operating Voltage: 3V to 18V
  • High speed: 12 MHz (Typ.) at VDD = 10 V
  • Propagation Delay Time: 500 ns
  • Operating Temperature Range:- 55 C to + 125 C
  • Available in 16-pin PDIP, GDIP, PDSO packages

Note: Complete Technical Details can be found at the CD4035 datasheet give at the end of this page.

Alternatives shift Registers: 

NameType
74LS379Quad Parallel Shift Register
40144 Bit static shift register
74LS1668 Bit Shift Register
74LS3238 Bit Shift/Storage Register
74LS164S/P Shift Register
74HC595Dual 4 Bit Static Register
74LS2998 Bit Shift/Storage Register

Where to use CD4035 IC

The CD4035 has two 4-bit Parallel In – Parallel Out Shift Register. Meaning it can receive (input) data-parallel and control 4 output pins in parallel. This comes in very handy where does not have enough GPIO pins on our MCU/MPU to control the required number of outputs. It is often used in projects where relatively a large number of LEDs have to be controlled through the Microcontroller. It can also be used to interface LCD screens since they can act as the data bit for the LCDs.

Applications of CD4035:

  • Counters, Registers
  • Arithmetic-unit registers
  • Shift-left — shift right registers
  • Serial-to-parallel/parallel-to-serial conversions
  • Sequence generation
  • Control circuits
  • Code conversion

2D Model of CD4035 (PDIP):

CD4035 Shift register Dimensions

Farees Ahmed

The aim of this blog is to serve as a quick reference guide for the Curious. Appreciate your feedback and comments !