74F648 datasheet(11/16 Pages) PHILIPS

部品番号	74F648

部品情報	Octal transceiver/register, non-inverting 3-State

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メーカー	PHILIPS [NXP Semiconductors]

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Philips Semiconductors

Product specification

74F646/A/74F648/A

Transceivers/registers

1990 Sep 25

11

AC ELECTRICAL CHARACTERISTICS FOR 74F648A

LIMITS

Tamb = +25°C

Tamb = 0°C to +70°C

SYMBOL

PARAMETER

TEST CONDITION

VCC = +5.0V

VCC = +5.0V ± 10%

UNIT

CL = 50pF, RL = 500Ω

MIN

TYP

MAX

MIN

MAX

fmax

Maximum clock frequency

Waveform 1

160

185

135

ns

tPLH

tPHL

Propagation delay

CPAB or CPBA to An or Bn

Waveform 1

5.0

5.5

7.0

7.5

9.5

10.0

4.5

10.5

ns

tPLH

tPHL

Propagation delay

An to Bn or Bn to An

Waveform 3

2.5

4.0

4.5

6.0

7.5

8.5

2.0

4.0

8.5

9.5

ns

tPLH

tPHL

Propagation delay

SAB or SBA to An or Bn

Waveform 2, 3

4.0

4.5

7.0

9.5

3.5

4.5

11.5

10.0

ns

tPZH

tPZL

Output enable time

OE to An or Bn

Waveform 5

Waveform 6

3.5

4.5

6.5

10.0

3.5

4.0

11.0

11.5

ns

tPZH

tPZL

Output enable time

DIR to An or Bn

Waveform 5

Waveform 6

3.5

4.0

5.5

6.5

8.5

9.5

3.0

4.0

9.0

10.0

ns

tPHZ

tPLZ

Output disable time

OE to An or Bn

Waveform 5

Waveform 6

2.5

4.0

6.5

9.0

2.0

3.5

8.0

10.0

ns

tPHZ

tPLZ

Output disable time

DIR to An or Bn

Waveform 5

Waveform 6

2.5

5.0

8.5

8.0

2.0

3.5

9.0

ns

AC SETUP REQUIREMENTS FOR 74F648A

LIMITS

Tamb = +25°C

Tamb = 0°C to +70°C

SYMBOL

PARAMETER

TEST CONDITION

VCC = +5.0V

VCC = +5.0V ± 10%

UNIT

CL = 50pF, RL = 500Ω

MIN

TYP

MAX

MIN

MAX

tsu (H)

tsu (L)

Setup time, high or low

An or Bn to CPAB or CPBA

Waveform 4

4.0

4.5

ns

th (H)

th (L)

Hold time, high or low

An or Bn to CPAB or CPBA

Waveform 4

0

ns

tw (H)

tw (L)

Pulse width, high or low

CPAB or CPBA

Waveform 1

3.5

4.0

3.5

ns

AC WAVEFORMS

CPBA

or

CPAB

VM

tw(H)

1/fmax

VM

tPLH

tw(L)

tPHL

An or Bn

SF00394

Waveform 1. Propagation delay for clock input to output clock

pulse width, and maximum clock frequency

SF00395

VM

Bn or An

An or Bn

tPLH

tPHL

SBA or SAB

An or Bn

Waveform 2. Propagation delay for An to Bn or Bn to An and

SAB or SBA to An or Bn

同様の部品番号 - 74F648

メーカー	部品番号	データシート	部品情報
National Semiconductor ...	74F648	216Kb / 12P	Octal Transceiver/Register with TRI-STATE Outputs
	74F648FCQB	216Kb / 12P	Octal Transceiver/Register with TRI-STATE Outputs
	74F648FCX	216Kb / 12P	Octal Transceiver/Register with TRI-STATE Outputs
	74F648FMQB	216Kb / 12P	Octal Transceiver/Register with TRI-STATE Outputs
	74F648FMX	216Kb / 12P	Octal Transceiver/Register with TRI-STATE Outputs

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