Overview
The MC14021BDG is an 8-bit static shift register produced by onsemi. This integrated circuit is constructed with MOS P-channel and N-channel enhancement mode devices in a single monolithic structure. It is designed for various applications requiring low power and high noise immunity, particularly in parallel-to-serial data conversion, synchronous and asynchronous parallel input, and serial output data queueing.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| DC Supply Voltage Range | VDD | -0.5 to +18.0 | V |
| Input or Output Voltage Range | Vin, Vout | -0.5 to VDD + 0.5 | V |
| Input or Output Current (DC or Transient) per Pin | Iin, Iout | ±10 mA | mA |
| Power Dissipation, per Package | PD | 500 mW | mW |
| Ambient Temperature Range | TA | -55 to +125 °C | °C |
| Storage Temperature Range | Tstg | -65 to +150 °C | °C |
| Lead Temperature (8-Second Soldering) | TL | 260 °C | °C |
| Output Voltage “0” Level (VOH) | VOH | 4.95 to 14.95 Vdc (depending on VDD) | Vdc |
| Output Voltage “1” Level (VOL) | VOL | 0.05 Vdc | Vdc |
| Input Voltage “0” Level (VIL) | VIL | 1.5 to 4.0 Vdc (depending on VDD) | Vdc |
| Input Voltage “1” Level (VIH) | VIH | 3.5 to 11 Vdc (depending on VDD) | Vdc |
| Output Drive Current (IOH) | IOH | -3.0 to -8.8 mA (depending on VDD and VOH) | mA |
| Output Drive Current (IOL) | IOL | 0.64 to 8.8 mA (depending on VDD and VOL) | mA |
| Quiescent Current (IDD) | IDD | 0.005 to 0.015 mA (depending on VDD) | mA |
| Total Supply Current (IT) | IT | (0.75 to 2.25 μA/kHz) f + IDD (depending on VDD and load) | μA |
Key Features
- Synchronous and Asynchronous Parallel Input/Serial Output: The MC14021BDG supports both synchronous and asynchronous parallel input to serial output operations.
- Full Static Operation: The device operates in a full static mode, ensuring data is retained even when the clock is not active.
- “Q” Outputs from Sixth, Seventh, and Eighth Stages: External access to the outputs of the sixth, seventh, and eighth stages is available.
- Double Diode Input Protection: The device includes double diode input protection to guard against high static voltages or electric fields.
- Wide Supply Voltage Range: The device can operate over a supply voltage range of 3.0 Vdc to 18 Vdc.
- Low Power and High Noise Immunity: Designed for low power consumption and high noise immunity, making it suitable for various applications.
- Pb-Free and RoHS Compliant: The device is lead-free and compliant with RoHS regulations.
- AEC-Q100 Qualified and PPAP Capable: Suitable for automotive and other applications requiring unique site and control change requirements.
Applications
- Parallel-to-Serial Data Conversion: Ideal for converting parallel data into serial data streams.
- Synchronous and Asynchronous Data Queueing: Used in applications requiring synchronous or asynchronous parallel input and serial output data queueing.
- General Purpose Register Applications: Suitable for various general-purpose register applications that require low power and high noise immunity.
- Automotive and Industrial Control Systems: Given its AEC-Q100 qualification and PPAP capability, it is suitable for automotive and industrial control systems.
Q & A
- What is the supply voltage range of the MC14021BDG?
The supply voltage range of the MC14021BDG is from 3.0 Vdc to 18 Vdc.
- What types of input/output operations does the MC14021BDG support?
The MC14021BDG supports both synchronous and asynchronous parallel input to serial output operations.
- What is the maximum power dissipation of the MC14021BDG?
The maximum power dissipation of the MC14021BDG is 500 mW per package.
- What is the ambient temperature range for the MC14021BDG?
The ambient temperature range for the MC14021BDG is from -55°C to +125°C.
- Does the MC14021BDG have input protection?
Yes, the MC14021BDG includes double diode input protection to guard against high static voltages or electric fields.
- Is the MC14021BDG Pb-free and RoHS compliant?
Yes, the MC14021BDG is lead-free and compliant with RoHS regulations.
- What are the key output characteristics of the MC14021BDG?
The MC14021BDG has output voltage levels (VOH and VOL) and output drive currents (IOH and IOL) that vary depending on the supply voltage VDD.
- What is the quiescent current of the MC14021BDG?
The quiescent current (IDD) of the MC14021BDG ranges from 0.005 to 0.015 mA depending on the supply voltage VDD.
- Can the MC14021BDG be used in automotive applications?
Yes, the MC14021BDG is AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other applications requiring unique site and control change requirements.
- What is the maximum clock frequency for the MC14021BDG?
The maximum clock frequency for the MC14021BDG is 3.0 to 8.0 MHz depending on the supply voltage VDD.
