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8-Stage Static Shift Register
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General Description
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The CD4021BC is an 8-stage parallel input/serial output shift register. A parallel/serial control input enables individual JAM inputs to each of 8 stages. Q outputs are available from the sixth, seventh, and eighth stages. All outputs have equal source and sink current capabilities and conform to standard "B" series output drive.
When the parallel/serial control input is in the logical "0" state, data is serially shifted into the register synchronously with the positive transition of the clock. When the parallel/serial control is in the logical "1" state, data is jammed into each stage of the register asynchronously with the clock.
All inputs are protected against static discharge with diodes to VDD and VSS.
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Features
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Datasheet
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Product Status/Pricing/Packaging
| CD4021BCM | Full Production | RoHS Compliant | $0.216 | SOIC | 16 | RAIL
| | Line 1: $Y (Fairchild logo)
&Z (Asm. Plant Code)
&2 (2-Digit Date Code)
&K
Line 2: CD4021BCM
| | CD4021BCMX | Full Production | RoHS Compliant | $0.216 | SOIC | 16 | TAPE REEL
| | Line 1: $Y (Fairchild logo)
&Z (Asm. Plant Code)
&2 (2-Digit Date Code)
&K
Line 2: CD4021BCM
| | CD4021BCN | Full Production | RoHS Compliant | $0.415 | DIP | 16 | RAIL
| | Line 1: $Y (Fairchild logo)
&Z (Asm. Plant Code)
&4 (4-Digit Date Code)
&K
Line 2: CD4021BCN
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* Fairchild 1,000 piece Budgetary Pricing
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| ** A sample button will appear if the part is available through Fairchild's on-line samples program. If there is no sample button, please contact a Fairchild distributor to obtain samples |
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Qualification Support
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Eco Status