74F273AN 데이터 시트보기 (PDF) - Philips Electronics

부품명

상세내역

제조사

74F273AN

Octal D flip-flop

Philips Electronics 

Philips Semiconductors

Octal D flip–flop

Product specification

74F273A

AC SETUP REQUIREMENTS FOR ’F273A

SYMBOL

PARAMETER

WAVEFORM

ts(H)

ts(L)

Setup time, High or Low

Dn to CP

3

th(H)

th(L)

Hold time, High or Low

Dn to CP

3

tw(H)

tw(L)

Clock pulse width

High or Low

1

tw(L)

Master Reset pulse width, Low

2

tREC

Recovery time

MR to CP

2

LIMITS

Tamb = +25°C

VCC = +5.0V

CL = 50pF

RL = 500Ω

Min

Typ

Max

Tamb = 0°C to +70°C

VCC = +5.0V ±10%

CL = 50pF

RL = 500Ω

Min

Max

3.0

2.5

2.0

2.5

0.5

2.5

0.0

1.0

4.5

5.0

3.5

4.0

3.0

3.5

4.0

5.0

UNIT

ns

ns

ns

ns

AC WAVEFORMS

CP VM

1/fmax

tw(H)

tPHL

VM

tw(L)

VM

tPLH

Qn

VM

VM

SF00294

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

Pulse Width, and Maximum Clock Frequency

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

Dn

VM VM

ts(H) th(H)

CP

VM

VM VM

ts(L) th(L)

VM

SF00191

Waveform 3. Data Setup and Hold Times

NOTE: For all waveforms, VM = 1.5V.

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

performance.

1996 Mar 12

6

Share Link: