4006 IC 18-Stage Static Shift Register

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The CD4006 18-stage static shift register belongs to the CD4000 IC series. The IC is comprised of four separate shift register sections, two sections of four stages, and two sections of five stages. Each section has an independent data input. Outputs are available at the fourth stage and the fifth stage of each section. A common clock signal is used for all stages. Data is shifted to the next stage on the negative-going transition of the clock. The IC always comes in a 14 – pin hermetically sealed dual in line package (DIP). CD4006 offers a wide array of features such as high noise immunity and ESD barring. Static Shift Register? Static Shift registers are digital memory circuitry found in devices such as calculators, computers, and data processing systems. With a shift register, data or bits are entered into the system in a serial or parallel manner. data entry is done from one direction, and as more data is added, it shifts positions until the data gets to the output end. The two ends are referred to as the left and right end. The movement of data can be from left to right, from right to left, or in both directions to make a bidirectional register. Features Wide supply voltage range 3.0V to 15V High noise immunity 0.45 VDD (typ.) Low power TTL fan out of 2 driving 74L compatibility or 1 driving 74LS Low clock input capacitance 6 pF (typ.) Medium speed 10 MHz (typ.) (with VDD = 10V Specifications Absolute Maximum Ratings DC Supply Voltage (VDD)= -0.5 to +18 VDC Input Voltage (VIN)= -0.5 to VDD + 0.5 VDC Storage Temperature Range (TS) = -65C to +150C Power Dissipation (PD) Dual-In-Line 700 mW Small Outline 500 mW 4006 Pinout Diagram 4006 Pin Description Pin No Pin Name Description 1 DATA 1 Data Pin 1 2 NC Not Connected 3 CLK Clock Pin 1 4 DATA 2 Data Pin 2 5 DATA 3 Data Pin 3 6 DATA 4 Data Pin 4 7 VSS Supply Voltage 8 DATA D4+4 Data Pin D4+4 9 DATA D4+5 Data Pin D4+5 10 DATA D3+4 Data Pin D3+4 11 DATA D2+4 Data Pin D2+4 12 DATA D2+5 Data Pin D2+5 13 DATA D1+4 Data Pin D1+4 14 VDD Drain Voltage Applications The shift registers are used for temporary data storage. The shift registers are also used for data transfer and data manipulation. Datasheet