MB2052 datasheet(2/7 Pages) PHILIPS

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Philips Semiconductors Advanced BiCMOS Products

Product specification

MB2052

Dual octal registered transceiver (3-State)

August 23, 1993

LOGIC SYMBOL (IEEE/IEC)

1, 4, 5

2, 3, 6

EN4

EN3

EN2

EN1

1, 4, 5

2, 3, 6

EN4

EN3

EN2

EN1

PIN DESCRIPTION

PIN NUMBER

SYMBOL

NAME AND FUNCTION

48, 45

19, 22

1CPAB / 1CPBA

2CPAB / 2CPBA

Clock input A to B / Clock input B to A

49, 44

18, 23

1CEAB / 1CEBA

2CEAB / 2CEBA

Clock enable input A to B / Clock enable input B to A

50, 51, 1, 2, 3, 5, 6, 7

8, 9, 10, 11, 12, 13, 15, 16

1A0 – 1A7

2A0 – 2A7

Data inputs/outputs (A side)

42, 41, 39, 38, 37, 36, 35, 34

33, 32, 31, 29, 28, 27, 25, 24

1B0 – 1B7

2B0 – 2B7

Data inputs/outputs (B side)

47, 46

20, 21

1OEAB / 1OEBA

2OEAB / 2OEBA

Output enable inputs

4, 17, 30, 43

GND

Ground (0V)

14, 26, 40, 52

VCC

Positive supply voltage

FUNCTION TABLE for Register nAx or nBx

INPUTS

INTERNAL

OPERATING

nAx or nBx

nCPXX

nCEXX

MODE

Hold data

↑

Load data

H = High voltage level

= Low voltage level

↑ = Low-to-High transition

X = Don’t care

XX = AB or BA

NC= No change

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