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TC4021B is 8 stage parallel in/ serial-out shift register, which can be used also for serial in/serial out operations. In the case of parallel operation, the data of PARALLEL IN is input to each F/F asynchronously with CLOCK and the output is obtained. In the case of serial operations, each F/F is triggered by the rising edge of CLOCK. (ASYNCHRONOUS PARALLEL OR SYNCHRONOUS SERIAL INPUT) Switching of PARALLEL operation and SERIAL operation is achieved by P/S CONTROL input. When P/S CONTROL input is " H", the PARALLEL operation is designated and when it is "L", the SERIAL operation is designated.
| DC Supply Voltage (Vdd) | Vss-0.5~Vss+20V |
| Input Voltage (Vin) | Vss-0.5~Vdd+0.5V |
| Output Voltage (Vout) | Vss-0.5~Vdd+0.5V |
| DC Input Current (Iin) | ±10mA |
| Power Dissipation (Pd) | 300mW |
| Operating Temperature | -40°C to 85°C |
| Size | 19.4x8.4x3.5mm |
