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| PartNumber | CD4021BPWR | CD4021BPWRG4 | CD4021BPWRE4 |
| Description | Counter Shift Registers 8-Bit Shift | Counter Shift Registers CMOS 8-Stage Static Shift Register | Counter Shift Registers 8-Bit Shift |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Counter Shift Registers | Counter Shift Registers | - |
| RoHS | Y | Y | - |
| Counting Sequence | Serial to Serial/Parallel | Serial to Serial/Parallel | - |
| Number of Circuits | 8 | 1 | - |
| Number of Bits | 8 bit | 8 bit | - |
| Package / Case | TSSOP-16 | TSSOP-16 | - |
| Logic Family | 40 | CD4000 | - |
| Logic Type | CMOS | CMOS | - |
| Number of Input Lines | 9 | 9 | - |
| Propagation Delay Time | 320 ns, 160 ns, 120 ns | 320 ns, 160 ns, 120 ns | - |
| Supply Voltage Max | 18 V | 18 V | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Packaging | Reel | Reel | - |
| Function | 8 Bit Shift | Shift Register | - |
| Operating Temperature Range | - 55 C to + 125 C | - 55 C to + 125 C | - |
| Series | CD4021B | CD4021B | - |
| Width | 4.4 mm | 4.4 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Number of Output Lines | 3 | 3 | - |
| Operating Supply Voltage | 3 V to 18 V | 3.3 V, 5 V, 9 V, 12 V, 15 V | - |
| Product Type | Counter Shift Registers | Counter Shift Registers | - |
| Factory Pack Quantity | 2000 | 2000 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.002183 oz | 0.002183 oz | - |