HCC4028B Просмотр технического описания (PDF) - STMicroelectronics

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HCC4028B

BCD-TO-DECIMAL DECODER

STMicroelectronics 

HCC/HCF4028B

Typical Propagation Delay Time as a Function load

Capacitance.

Typical Dynamic Power Dissipation as a Function of

Input Frequency .

TYPICAL APPLICATIONS

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-

Figure 1 : Code Conversion Circuit.

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.

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