HCF4028BM1 datasheet(6/14 Pages) STMICROELECTRONICS

No. de pieza	HCF4028BM1

Descripción Electrónicos	BCD-TO-DECIMAL DECODER

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Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

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Typical Dynamic Power Dissipation as a Function of

Input Frequency .

Typical Propagation Delay Time as a Function load

Capacitance.

TYPICAL APPLICATIONS

Figure 1 : Code Conversion Circuit.

The circuit shown in fig. 1 converts any 4-bit code to

a decimal or hexadecimal code Fig 2 shows a num-

ber of codes and the decimal or hexadecimal num-

ber in these codes which must be applied to the

input pins of the HCC/HCF4028B to select a particu-

lar output. For example : in order to get a ”high” on

output n8 the input must be either an 8 expressed

in 4-bit binary code, a 15 expressed in 4-bit gray

code, or a 5 expressed in excess-3code.

HCC/HCF4028B

6/14

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