74F2952 datasheet(8/14 Pages) PHILIPS

8 / 14 page

Philips Semiconductors

Product specification

74F2952, 74F2953

Transceivers

1989 Sep 22

AC ELECTRICAL CHARACTERISTICS

LIMITS

SYMBOL

PARAMETER

TEST

CONDITION

Tamb = +25°C

VCC = +5V

CL = 50pF, RL = 500Ω

Tamb = 0°C to +70°C

VCC = +5V ± 10%

CL = 50pF, RL = 500Ω

UNIT

MIN

TYP

MAX

MIN

MAX

fMAX

Maximum clock frequency

Waveform 1

145

160

135

MHz

tPLH

tPHL

Propagation delay

CPBA or CPAB to An or Bn

Waveform 1

3.0

3.5

5.0

6.0

7.5

8.5

2.5

3.5

8.0

9.0

tPZH

tPZL

Output Enable time

OEBA or OEAB to An or Bn

Waveform 3

Waveform 4

2.0

3.5

4.5

6.0

7.0

9.5

2.0

3.0

8.0

10.0

tPHZ

tPLZ

Output Disable time

OEBA or OEAB to An or Bn

Waveform 3

Waveform 4

2.0

1.5

4.0

3.5

8.0

6.5

1.5

1.0

9.0

7.0

AC SETUP REQUIREMENTS

LIMITS

SYMBOL

PARAMETER

TEST

CONDITION

Tamb = +25°C

VCC = +5V

CL = 50pF, RL = 500Ω

Tamb = 0°C to +70°C

VCC = +5V ± 10%

CL = 50pF, RL = 500Ω

UNIT

MIN

TYP

MAX

MIN

MAX

ts(H)

ts(L)

Setup time, High or Low

An or Bn to CPAB or CPBA

74F2952

Waveform 2

4.5

3.5

5.0

4.0

ts(H)

ts(L)

Setup time, High or Low

An or Bn to CPAB or CPBA

74F2953

Waveform 2

4.0

3.5

4.0

th(H)

th(L)

Hold time, High or Low

An or Bn to CPAB or CPBA

Waveform 2

0.0

ts(H)

ts(L)

Setup time, High or Low

CEAB, CEBA to CPAB, CPBA

Waveform 2

0.0

4.0

0.0

4.0

th(H)

th(L)

Hold time, High or Low

CEAB, CEBA to CPAB, CPBA

Waveform 2

2.5

3.0

tw(H)

tw(L)

CPAB or CPBA pulse width,

High or Low

Waveform 1

3.0

3.5

3.0

3.5

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