74ABT273APW 데이터 시트보기 (PDF) - Philips Electronics

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74ABT273APW

Octal D-type flip-flop

Philips Electronics 

Philips Semiconductors

Octal D-type flip-flop

Product specification

74ABT273A

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

Dn to CP

Hold time, High or Low

Dn to CP

Clock pulse width

High or Low

Master Reset pulse width, Low

Recovery time

MR to CP

WAVEFORM

3

3

1

2

2

Tamb = +25°C

VCC = +5.0V

Min

Typ

1.5

0.6

1.5

0.4

0.7

-0.5

0.7

-0.5

1.5

0.8

2.0

1.0

1.5

0.8

1.5

0.5

LIMITS

Tamb = -40°C to +85°C

VCC = +5.0V ±0.5V

Min

1.5

1.5

0.7

0.7

1.5

2.0

1.5

1.5

UNIT

ns

ns

ns

ns

AC WAVEFORMS

VM = 1.5V, VIN = GND to 3.0V

The shaded areas indicate when the input is permitted to change for predictable output performance.

1/fMAX

CP

VM

VM

VM

tw(H)

tPHL

tw(L)

tPLH

Qn

VM

VM

SA00056

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

Pulse Width, and Maximum Clock Frequency

Dn

VM VM

ts(H) th(H)

CP

VM

VM VM

ts(L) th(L)

VM

Waveform 3. Data Setup and Hold Times

SF00191

MR

VM

tw(L)

CP

tPHL

VM

tREC

VM

Qn

VM

SF00158

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

Delay and Master Reset to Clock Recovery Time

1995 Sep 06

6

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