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Part Number: HCF4028B
Description: HCF4028B is a monolithic integrated circuit fabricated in Metal Oxide Semiconductor technology availab...
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HCF4028B
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DataSheet
General Description
HCF4028B General Description
HCF4028B is a monolithic integrated circuit fabricated in Metal Oxide Semiconductor technology available in DIP and SOP packages. HCF4028B is a BCD to DECIMAL or BINARY to OCTAL decoder consisting of buffering on all 4 nputs, decoding logic gates, and 10 output buffers.
A BCD code applied to the four inputs, A to D, results in a high level at the selected one of 10 decimal decoded outputs. Similarly, a 3-bit binary code applied to inputs A through C is decoded in octal code at output 0 to 7 if D = "0". High drive capability is provided at all outputs to enhance dc and dynamic performance in high fan-out applications.
HCF4028B Maximum Ratings
| Symbol | Parameter² | Value | Unit |
| VDD | Supply Voltage | -0.5 to +22 | V |
| VI | DC Input Voltage | -0.5 to VDD + 0.5 | V |
| II | DC Input Current | ± 10 | mA |
| PD | Power Dissipation per Package | 200 | mW |
| Power Dissipation per Output Transistor | 100 | mW | |
| Top | Operating Temperature | -55 to +125 | |
| Tstg | Storage Temperature | -65 to +150 |
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is not implied.
All voltage values are referred to VSS pin voltage.
HCF4028B Features
n BCD TO DECIMAL DECODING OR BINARY TO OCTAL DECODING
n HIGH DECODED OUTPUT DRIVE CAPABILITY
n "POSITIVE LOGIC" INPUTS AND OUTPUTS:DECODED OUTPUTS GO HIGH ON SELECTION
n MEDIUM SPEED OPERATION : tPHL, tPLH =80ns (Typ.) at VDD = 10V
n QUIESCENT CURRENT SPECIF. UP TO 20V
n STANDARDIZED SYMMETRICAL OUTPUT CHARACTERISTICS
n INPUT LEAKAGE CURRENT II = 100nA (MAX) AT VDD = 18V TA = 25°C
n 100% TESTED FOR QUIESCENT CURRENT
n MEETS ALL REQUIREMENTS OF JEDEC JESD13B "STANDARD SPECIFICATIONS FOR DESCRIPTION OF B SERIES CMOS DEVICES"
HCF4028B Connection Diagram
HCF4028B
PDF/DataSheet Download
- Datasheet: HCF4028B
- File Size: 311483 KB
- Manufacturer: STMICROELECTRONICS [STMicroelectronics]
- Click here to Download
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