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74ABTH16273

16-bit D-type flip-flop

Philips Electronics 

Philips Semiconductors

16-bit D-type flip-flop

Product specification

74ABT16273

74ABTH16273

AC SETUP REQUIREMENTS

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

SYMBOL

PARAMETER

tS(H)

tS(L)

th(H)

th(L)

tW(H)

tW(L)

tW(L)

tREC

Setup time, High or Low

nDx to nCP

Hold time, High or Low

nDx to nCP

Clock pulse width

High or Low

Master Reset pulse width, Low

Recovery time

nMR + nCP

WAVEFORM

3

3

1

2

2

LIMITS

Tamb = +25°C

VCC = +5.0V

MIN

TYP

Tamb = –40 to +85 °C

VCC = +5.0V ±0.5V

MIN

2.0

1.0

2.0

2.0

1.0

2.0

0

–0.6

0

0

–0.6

0

3.3

1.2

3.3

3.3

1.0

3.3

3.3

1.1

3.3

2.0

0.0

2.0

UNIT

ns

ns

ns

ns

ns

AC WAVEFORMS

VM = 1.5V, VIN = GND to 2.7V

1/fMAX

nCP

nQx

VM

VM

tW(H)

tPHL

tW(L)

VM

VM

tPLH

VM

0V

VOH

VOL

SH00056

Waveform 1. Propagation Delay, Clock Input to Output, Clock

Pulse Width, and Maximum Clock Frequency

ÉÉÉ ÉÉÉÉÉÉÉÉÉ nDx

VM

ÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ ts(H)

VM

th(H)

VM

VM

ts(L)

0V

th(L)

nCP

VM

VM

0V

NOTE: The shaded areas indicate when the input is

permitted to change for predictable output performance.

SH00058

Waveform 3. Data Setup and Hold Times

nMR

VM

VM

0V

tw(L)

tREC

nCP

VM

tPHL

nQx

VM

0V

VOH

VOL

SH00057

Waveform 2. Master Reset Pulse Width, Master Reset to Output

Delay and Master Reset to Clock Recovery Time

1998 Feb 27

6

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