74ABT16823A 查看數據表（PDF） - Philips Electronics

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74ABT16823A

18-bit bus interface D-type flip-flop with reset and enable (3-State)

Philips Electronics 

Philips Semiconductors

18-bit bus-interface D-type flip-flop

with reset and enable (3-State)

Product specification

74ABT16823A

74ABTH16823A

AC CHARACTERISTICS

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

SYMBOL

PARAMETER

WAVEFORM

fMAX

Maximum clock frequency

1

tPLH

Propagation delay

tPHL

nCP to nQx

1

tPHL

Propagation delay

nMR to nQx

2

tPZH

Output enable time

4

tPZL

to High and Low level

5

tPHZ

Output disable time

4

tPLZ

from High and Low level

5

AC SETUP REQUIREMENTS

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

SYMBOL

PARAMETER

WAVEFORM

ts(H)

ts(L)

Setup time, High or Low

nDx to nCP

3

th(H)

th(L)

Hold time, High or Low

nDx to nCP

3

tw(H)

tw(L)

nCP pulse width

High or Low

1

ts(H)

ts(L)

Setup time, High or Low

nCE to nCP

3

th(H)

th(L)

Hold time, High or Low

nCE to nCP

3

tw(L)

nMR pulse width, Low

2

trec

Recovery time

nMR to nCP

2

LIMITS

Tamb = +25°C

VCC = +5.0V

MIN

TYP

MAX

140

190

1.4

2.3

3.2

1.2

1.9

2.6

Tamb = –40°C

to +85°C

VCC = +5.0V ±0.5V

MIN

MAX

140

1.4

3.7

1.2

2.9

2.0

3.3

4.3

2.0

5.0

1.3

2.4

3.2

1.3

3.9

1.2

2.1

2.9

1.2

3.4

1.7

2.9

4.0

1.7

4.7

1.6

2.3

3.2

1.6

3.4

UNIT

MHz

ns

ns

ns

ns

Tamb = +25°C

VCC = +5.0V

MIN

TYP

2.0

1.3

1.5

0.9

1.5

–0.9

1.5

–1.2

3.3

1.7

3.3

1.7

1.5

0.9

2.0

0.9

1.5

–0.8

1.5

–0.9

3.0

1.7

2.5

1.0

LIMITS

Tamb = –40 to +85°C

VCC = +5.0V ±0.5V

MIN

2.0

1.5

1.5

1.5

3.3

3.3

1.5

2.0

1.5

1.5

3.0

2.5

UNIT

ns

ns

ns

ns

ns

ns

ns

1998 Feb 27

7

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