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CD4015 - Dual 4-Stage Shift Register IC

CD4015 - Dual 4-Stage Shift Register IC-Robocraze

CD4015 - Dual 4-Stage Shift Register IC

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  • Medium speed operation 12 MHz (typ.) clock rate at VDD – VSS = 10 V
  • Fully static operation
  • 8 master-slave flip-flops plus input and output buffering
  • 100% tested for quiescent current at 20 V
  • 5-V, 10-V, and 15-V parametric ratings
  • Standardized, symmetrical output characteristics
  • Maximum input current of 1 µA at 18 V over full package-temperature range; 100 nA at 18 V and 25°C
  • Noise margin (full package-temperature range) =
    • 1 V at VDD = 5 V
    • 2 V at VDD = 10 V
    • 2.5 V at VDD = 15 V
  • Meets all requirements of JEDEC Tentative Standard No. 13B, “Standard Specifications for Description of ’B’ Series CMOS Devices”

CD4015 - Dual 4-Stage Shift Register IC

The CD4015 IC consists of two identical, independent, 4-stage serial-input/parallel-output registers. Each register has independent CLOCK and RESET inputs as well as a single serial DATA input. “Q” outputs are available from each of the four stages on both registers. All register stages are D-type, master-slave flip-flops. The logic level present at the DATA input is transferred into the first register stage and shifted over one stage at each positive-going clock transition. Resetting of all stages is accomplished by a high level on the reset line. Register expansion to 8 stages using one CD4015 package, or to more than 8 stages using additional CD4015’s is possible.

The CD4015-series types are supplied in 16-lead hermetic dual-in-line ceramic packages (F3A suffix), 16-lead dual-in-line plastic package (E suffix), 16-lead small-outline packages (M, M96, MT, and NSR suffixes), and 16-lead thin shrink small-outline packages (PW and PWR suffixes).


Pinout Of CD4015 - Dual 4-Stage Shift Register IC
Pin Name Pin # Type Description
VDD 16 Power Supply Voltage (+3 to +15V)
GND 8 Power Ground (0V)
DA 7 Input Data pin for register A
CLKA 9 Input Clock pulse for register A
RSTA 6 Input Reset pin for register A
QA0,QA1,QA2,QA3 5,4,3,10 Output 4-bit output for register A
DB 15 Input Data pin for register B
CLKB 1 Input Clock pulse for register B
RSTB 14 Input Reset pin for register B
QB0,QB1,QB2,QB3 11,12,13, 2 Output 4-bit output for register B


  • Serial-input/parallel-output data queueing
  • Serial to parallel data conversion
  • General-purpose register

Package Includes:

  • 1 x IC - CD4015


Part number CD4015B
Technology Family CD4000
VCC (Min) (V) 3
VCC (Max) (V) 18
Voltage (Nom) (V) 10
F @ nom voltage (Max) (MHz) 8
ICC @ nom voltage (Max) (mA) 0.3
tpd @ nom Voltage (Max (ns) 160
IOL (Max) (mA) 1.5
IOH (Max) (mA) -1.5
3-state output No
Operating temperature range (C) -55 to 125