Philips Semiconductors

Product specification

74ABT16374B

74ABTH16374B

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

(3-State)

1998 Feb 27

6

AC CHARACTERISTICS

LIMITS

SYMBOL

PARAMETER

WAVEFORM

UNIT

MIN

TYP

MAX

MIN

MAX

Maximum clock frequency

1

180

260

MHz

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

Output enable time

to High and Low level

3

4

1.3

1.3

2.4

2.3

3.7

3.4

1.3

1.3

4.7

4.6

ns

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

LIMITS

SYMBOL

PARAMETER

WAVEFORM

UNIT

MIN

TYP

MIN

Setup time, High or Low

nDx to nCP

2

1.0

1.0

0.3

0.1

1.0

1.0

ns

Hold time, High or Low

nDx to nCP

2

1.0

1.0

–0.1

–0.3

1.0

1.0

ns

nCP pulse width

High or Low

1

2.8

2.8

1.2

1.5

2.8

2.8

ns

AC WAVEFORMS

VM

VM

VM

VM

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

VM

VM

VM

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