4015 - Dual Shift Register

The 4015 is a dual 4-stage static shift register IC, consisting of two independent shift registers, each with separate data, clock, and reset inputs. It operates over a wide voltage range (3V–15V) and is commonly used for data storage, transfer, and sequencing tasks in digital circuits. Its versatility and low power consumption make it suitable for timing, control, and serial-to-parallel or parallel-to-serial data conversion.

CD4015BD Dual Shift Register in PDIP-16 package
Fig.: CD4015BD Dual Shift Register in PDIP-16 package

Features/Specifications

Supply Voltage 3V to 15V
Number of Flip-Flops 2
Frequency 17MHz
Temperature Range -55°C to +125°C

📄 CD4015BMS datasheet (130 kB)

Connections

Terminal diagram of the 4015
Fig.: Terminal diagram of the 4015
Pin No Pin Name Type Description
16 VCC Power Supply Voltage
8 GND Power Ground (0V)
7 Data A Input Data pin for register A
9 Clock A Input Clock pulse for register A
6 Reset A Input Reset pin for register A
3, 4, 5, 10 Q1 A, Q2 A, Q3 A, Q4 A Output 4-bit output for register A
15 DB Input Data pin for register B
1 Clock B Input Clock pulse for register B
14 Reset B Input Reset pin for register B
13, 12, 11, 2 Q1 B, Q2 B, Q3 B, Q4 B Output 4-bit output for register B

Further information

Last edited by Christian Grieger on 2025-05-10
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