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HCF4028B

STMicroelectronics
Part Number HCF4028B
Manufacturer STMicroelectronics
Description BCD-TO-DECIMAL DECODER
Published Mar 23, 2005
Detailed Description HCC/HCF4028B BCD-TO-DECIMAL DECODER . . . . . . . . . . BCD-TO-DECIMAL DECODING OR BINARYTO-OCTAL DECODING HIGH DECODE...
Datasheet PDF File HCF4028B PDF File

HCF4028B
HCF4028B

Overview
HCC/HCF4028B BCD-TO-DECIMAL DECODER .
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BCD-TO-DECIMAL DECODING OR BINARYTO-OCTAL DECODING HIGH DECODED OUTPUTDRIVE CAPABILITY ”POSITIVE LOGIC” INPUTS AND OUTPUTS : DECODED OUTPUTS GO HIGH ON SELECTION MEDIUM-SPEED OPERATION : tPHL, tPLH = 80ns (typ.
) @ VDD = 10V STANDARDIZED SYMMETRICAL OUTPUT CHARACTERISTICS QUIESCENT CURRENT SPECIFIED TO 20V FOR HCC DEVICE 5V, 10V, AND 15V PARAMETRIC RATINGS INPUT CURRENT OF 100nA AT 18V AND 25°C FOR HCC DEVICE 100% TESTED FOR QUIESCENT CURRENT MEETS ALL REQUIREMENTS OF JEDEC TENTATIVE STANDARD N° 13A, ”STANDARD SPECIFICATIONS FOR DESCRIPTION OF ”B” SERIES CMOS DEVICES” EY (Plastic Package) F (Ceramic Frit Seal Package) M1 (Micro Package) C1 (Plastic Chip Carrier) ORDER CODES : HCC4028BF HCF4028BM1 HCF4028BEY HCF4028BC1 PIN CONNECTIONS DESCRIPTION The HCC4028B (extended temperature range) and HCF4028B (intermediate temperature range) are monolithic integrated circuit, available in 16-lead dual in-line plastic or ceramic package and plastic micropackage.
The HCC/HCF4028B types are BCD-to-decimal or binary-to-octal decoders consisting of buffering on all 4 inputs, 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.
June 1989 1/14 HCC/HCF4028B FUNCTIONAL DIAGRAM ABSOLUTE MAXIMUM RATINGS Symbol V DD * Vi II Pt o t Parameter Supply Voltage : HC C Types H C F Types Input Voltage DC Input Current (any one input) Total Power Dissipation (per package) Dissipation per Output Transistor for T o p = Full Package-temperature Range Operating Temperature : HCC Types H CF Types Storage Temperature Value – 0.
5 to + 20 – 0.
5 to + 18 – 0.
5 to V DD + 0.
5 ± 10 200 100 – 55 to + 125...


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