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HEF4021BTTJ Part Number Details

Author: Tanssion Date: 2023-05-22 Hits: 110

The part number HEF4021BTTJ corresponds to a specific integrated circuit, namely the HEF4021B. Here are some details about the HEF4021BTTJ:

HEF4021BTTJ

Manufacturer: Nexperia


Part Number: HEF4021BTTJ


Description: The HEF4021B is an 8-stage static shift register IC with a parallel input and a serial output. It is commonly used for parallel-to-serial data conversion or as a basic building block in various digital applications.


Key Features:


1.Parallel Input: The HEF4021B has an 8-bit parallel input that allows data to be loaded into the shift register.


2.Serial Output: It provides a serial output that allows the shifted data to be read out.


3.Shift Register: The device functions as an 8-stage static shift register, meaning that data can be shifted through the stages.


4.Clock Input: The shift register is clocked by an external clock signal applied to the Clock (CLK) input.


5.Output Enable (OE) Input: The OE input enables or disables the serial output.


6.Wide Voltage Range: The HEF4021B operates over a wide voltage range, typically from 3V to 15V, making it compatible with various supply voltages.


7.Package Type: The "TTJ" in the part number indicates that the device is packaged in a Thin Shrink Small Outline Package (TSSOP), which is a compact surface-mount package with exposed pads for improved thermal dissipation.


Please note that these are general features and specifications associated with the HEF4021B. To obtain precise and comprehensive information, I recommend referring to the datasheet provided by Nexperia for the HEF4021BTTJ or contacting their technical support for specific part number details.


Here are some common product parameters for the part number HEF4021BTTJ, based on the general specifications of the HEF4021B integrated circuit:


1.Supply Voltage (VDD): The recommended operating voltage range for the HEF4021BTTJ is typically from 3V to 15V.


2.Input Voltage (VIH, VIL): The input voltage thresholds for logic high (VIH) and logic low (VIL) levels depend on the specific voltage supply used and the device's specifications. These thresholds define the voltage ranges for reliable logic level detection.


3.Output Voltage (VOH, VOL): The output voltage levels depend on the specific voltage supply used and the device's specifications. These levels determine the voltage ranges for logic high (VOH) and logic low (VOL) outputs.


4.Input/Output Current (IIN, IOUT): The maximum input current that can be applied to the inputs and the maximum output current that can be sourced or sunk by the outputs are important parameters to consider for proper circuit operation.


5.Operating Temperature Range: The HEF4021BTTJ is typically designed to operate within a specified temperature range, such as -40°C to +85°C. It is important to adhere to these temperature limits for reliable and accurate performance.


Please note that these parameters are general guidelines, and the actual specifications for the HEF4021BTTJ may vary. It is recommended to refer to the official datasheet provided by the manufacturer or contact their technical support for the specific part number details and accurate parameter values.


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Frequently Asked Questions

1、Characteristic of the product with part number HEF4021BTTJ
The HEF4021BTTJ is an integrated circuit that belongs to the HEF4000B family of CMOS logic devices. It is an 8-stage static shift register with parallel input and serial output. Here are some characteristics of the HEF4021BTTJ: 1.Logic Family: CMOS (Complementary Metal-Oxide-Semiconductor) 2.Number of Stages: 8 (8-bit shift register) 3.Parallel Input: It has an 8-bit parallel input that allows data to be loaded into the shift register. 4.Serial Output: It provides a serial output where the shifted data can be read out. 5.Clock Input: The shift register is controlled by an external clock signal applied to the Clock (CLK) input. Data is shifted through the stages on each clock pulse. 6.Output Enable (OE) Input: The OE input enables or disables the serial output. When the OE input is high, the serial output is enabled, and when it is low, the output is disabled. 7.Voltage Range: The HEF4021BTTJ typically operates with a supply voltage (VDD) ranging from 3V to 15V, making it compatible with various voltage levels. 8.Low Power Consumption: It is designed to consume low power, making it suitable for power-sensitive applications. Please note that these characteristics are based on the general specifications of the HEF4021BTTJ, and it's always recommended to refer to the datasheet provided by the manufacturer for the most accurate and detailed information regarding the specific part number.
2、Replacement model of the product with part number HEF4021BTTJ
The HEF4021BTTJ is a specific part number within the HEF4000B family of CMOS logic devices. While there might not be an exact replacement model with the same part number, there are alternative shift register ICs available in the market that offer similar functionality. Some potential replacements for the HEF4021BTTJ include: 1.CD4021: This is a popular 8-stage CMOS static shift register with parallel input and serial output. It is widely available and compatible with various supply voltages. 2.74HC595: Although the 74HC595 is a serial-in, parallel-out shift register, it can serve similar functions in certain applications where the specific requirements align. It offers parallel data storage and serial data output. 3.74HC165: This is an 8-bit parallel-in, serial-out shift register that can be used as a replacement for the HEF4021BTTJ in applications requiring parallel input and serial output. It's important to review the datasheets and compare the specifications of these alternative ICs to ensure they meet the specific requirements of your application. Additionally, consulting with a trusted distributor or contacting the manufacturer directly can provide valuable insights and assistance in selecting the appropriate replacement for your specific needs.

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