MC54F283J Ver la hoja de datos (PDF) - Motorola => Freescale

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MC54F283J

4-BIT BINARY FULL ADDER (With Fast Carry)

Motorola => Freescale 

MC54/74F283

L

A0 B0 A1 B1 A2 B2 A3 B3

C0

C4

S0 S1 S2 S3

C3

Figure B. 3-Bit Adder

A0 B0 A1 B1

C10

A10 B10

A0 B0 A1 B1 A2 B2 A3 B3

C0

C0

S0 S1

C4

C11

S2 S3

S0 S1

C2 S10

Figure C. 2-Bit and 1-Bit Adders

I1 I2 L

I3

I4 I5

A0 B0 A1 B1 A2 B2 A3 B3

C0

C4

S0 S1 S2 S3

20 21 22

Figure D. 5-Input Encoder

I1 I2

I3

I4 I5

A0 B0 A1 B1 A2 B2 A3 B3

C0

C4

S0 S1 S2 S3

M5

Figure E. 5-Input Majority Gate

DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)

Limits

Symbol

Parameter

Min Typ

Max

Unit

Test Conditions

VIH

VIL

VIK

VOH

VOL

IIH

IIL

Input HIGH Voltage

2.0

Input LOW Voltage

0.8

Input Clamp Diode Voltage

–1.2

Output HIGH Voltage

54, 74 2.5

3.4

74

2.7

3.4

Output LOW Voltage

0.35

0.5

20

Input HIGH Current

100

Input LOW Current

C0 Input

A and B Inputs

– 0.6

–1.2

V

Guaranteed Input HIGH Voltage

V

Guaranteed Input LOW Voltage

V

IIN = –18 mA

V

IOH = –1.0 mA

V

IOH = –1.0 mA

V

IOL = 20 mA

µA

VIN = 2.7 V

µA

VIN = 7.0 V

VCC = MIN

VCC = 4.5 V

VCC = 4.75 V

VCC = MIN

VCC = MAX

mA VIN = 0.5 V

mA

VCC = MAX

IOS

Output Short Circuit

Current (Note 2)

– 60

–150

mA VOUT = 0 V

VCC = MAX

ICC

Power Supply Current

36

55

mA Inputs = 4.5 V

NOTES:

1. For conditions such as MIN or MAX, use the appropriate value specified under guaranteed operating ranges.

2. Not more than one output should be shorted at a time, nor for more than 1 second.

VCC = MAX

FAST AND LS TTL DATA

4-148

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