74ABTH16374B datasheet(6/10 Pages) PHILIPS

Il numero della parte	74ABTH16374B

Spiegazioni elettronici	16-bit D-type flip-flop; positive-edge trigger 3-State

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Produttore elettronici	PHILIPS [NXP Semiconductors]

Homepage	http://www.nxp.com

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Philips Semiconductors

Product specification

74ABT16374B

74ABTH16374B

16-bit D-type flip-flop; positive-edge trigger

(3-State)

1998 Feb 27

6

AC CHARACTERISTICS

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

LIMITS

SYMBOL

PARAMETER

WAVEFORM

Tamb = +25°C

VCC = +5.0V

Tamb = –40 to +85°C

VCC = +5.0V ±0.5V

UNIT

MIN

TYP

MAX

MIN

MAX

fMAX

Maximum clock frequency

1

180

260

MHz

tPLH

tPHL

Propagation delay

nCP to nQx

1

1.7

1.4

2.6

2.2

4.0

3.4

1.7

1.4

4.7

3.9

ns

tPZH

tPZL

Output enable time

to High and Low level

3

4

1.3

2.4

2.3

3.7

3.4

1.3

4.7

4.6

ns

tPHZ

tPLZ

Output disable time

from High and Low level

3

4

1.9

1.7

3.1

2.6

4.6

4.0

1.9

1.7

5.5

4.4

ns

AC SETUP REQUIREMENTS

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

LIMITS

SYMBOL

PARAMETER

WAVEFORM

Tamb = +25°C

VCC = +5.0V

Tamb = –40 to +85°C

VCC = +5.0V ±0.5V

UNIT

MIN

TYP

MIN

ts(H)

ts(L)

Setup time, High or Low

nDx to nCP

2

1.0

0.3

0.1

1.0

ns

th(H)

th(L)

Hold time, High or Low

nDx to nCP

2

1.0

–0.1

–0.3

1.0

ns

tw(H)

tw(L)

nCP pulse width

High or Low

1

2.8

1.2

1.5

2.8

ns

AC WAVEFORMS

VM = 1.5V, VIN = GND to 3.0V

VM

1/fMAX

tw(H)

tw(L)

tPHL

tPLH

nCP

nQx

SA00328

Waveform 1.

Propagation Delay, Clock Input to Output, Clock

Pulse Width, and Maximum Clock Frequency

VM

nDx

VM

nCP

ts(H)

th(H)

ts(L)

th(L)

NOTE: The shaded areas indicate when the input is permitted to

change for predictable output performance.

SA00329

Waveform 2.

Data Setup and Hold Times

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