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MB2543BB

Dual octal latched transceivers with dual enable (3-State)

Philips Electronics 

Philips Semiconductors Advanced BiCMOS Products

Dual octal latched transceivers with dual enable

(3-State)

Product specification

MB2543

AC CHARACTERISTICS

GND = 0V, tR = tF = 2.5ns, CL = 50pF, RL = 500Ω

SYMBOL

PARAMETER

WAVEFORM

tPLH

Propagation delay

tPHL

nAx to nBx, nBx to nAx

2

tPLH

Propagation delay

tPHL

LEBA to nAx, LEAB to nBx

1, 2

tPZH

Output enable time

4

tPZL

OEBA to nAx, OEAB to nBx

5

tPHZ

Output disable time

4

tPLZ

OEBA to nAx, OEAB to nBx

5

tPZH

Output enable time

4

tPZL

EBA to nAx, EAB to nBx

5

tPHZ

Output disable time

4

tPLZ

EBA to nAx, EAB to nBx

5

AC SETUP REQUIREMENTS

GND = 0V, tR = tF = 2.5ns, CL = 50pF, RL = 500Ω

SYMBOL

PARAMETER

WAVEFORM

ts(H)

ts(L)

Setup time

nAx to LEAB, nBx to LEBA

3

th(H)

th(L)

Hold time

nAx to LEAB, nBx to LEBA

3

ts(H)

ts(L)

Setup time

nAx to EAB, nBx to EBA

3

th(H)

th(L)

Hold time

nAx to EAB, nBx to EBA

3

tw(L)

Latch enable pulse width, Low

3

LIMITS

Tamb = +25oC

VCC = +5.0V

MIN

TYP

MAX

1.5

3.2

4.6

1.6

3.3

4.6

1.9

3.9

5.3

2.1

4.1

5.5

1.6

3.6

5.0

2.3

4.5

5.9

1.0

3.6

5.0

1.4

3.2

4.6

1.6

3.6

5.0

2.3

4.5

5.9

1.0

3.6

5.0

1.4

3.2

4.6

Tamb = -40 to

+85oC

VCC = +5.0V ±0.5V

MIN

MAX

1.5

5.2

1.6

5.2

1.9

6.1

2.1

6.2

1.6

5.8

2.3

6.6

1.0

5.7

1.4

5.2

1.6

5.8

2.3

6.6

1.0

5.7

1.4

5.2

UNIT

ns

ns

ns

ns

ns

ns

Tamb = +25oC

VCC = +5.0V

MIN

TYP

1.0

0.4

0.5

–0.1

1.0

0.2

0.5

–0.3

1.0

0.2

0.5

–0.3

1.0

0.3

0.5

–0.2

4.0

3.1

LIMITS

Tamb = -40 to +85oC

VCC = +5.0V ±0.5V

MIN

1.0

0.5

1.0

0.5

1.0

0.5

1.0

0.5

4.0

UNIT

ns

ns

ns

ns

ns

August 23, 1993

6

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