SN54F623, SN74F623

OCTAL BUS TRANSCEIVERS

WITH 3-STATE OUTPUTS

SDFS087 – MARCH 1987 – REVISED OCTOBER 1993

2–4

POST OFFICE BOX 655303

switching characteristics (see Note 2)

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCC = 5 V,

CL = 50 pF,

RL = 500 Ω,

TA = 25°C

VCC = 4.5 V to 5.5 V,

CL = 50 pF,

RL = 500 Ω,

TA = MIN to MAX †

UNIT

(INPUT)

(OUTPUT)

′F623

SN54F623

SN74F623

MIN

TYP

MAX

MIN

MAX

MIN

MAX

tPLH

A

B

1.2

3.6

5.5

1.1

6.8

1.2

6.5

ns

tPHL

A

B

2.2

4.6

7

1.6

8

1.7

7.5

ns

tPLH

B

A

1.2

3.6

5.5

1.1

6.8

1.2

6.5

ns

tPHL

B

A

1.7

4.1

6.5

1.6

8

1.7

7.5

ns

tPZH

OEBA

A

3.1

8.1

10.5

2.7

12.4

3.1

12

ns

tPZL

OEBA

A

2.8

7.1

9.5

2.5

10.3

2.8

10

ns

tPHZ

OEBA

A

1.7

4.1

6.5

1.6

8.3

1.7

7.5

ns

tPLZ

OEBA

A

1.7

4.1

6.5

1.5

7.4

1.7

7

ns

tPZH

OEAB

B

2.8

7.6

10

2.7

12

2.8

11.5

ns

tPZL

OEAB

B

2.8

6.6

9

2.8

10

2.9

9.5

ns

tPHZ

OEAB

B

2.2

5.6

8.5

1.9

10

2.2

10

ns

tPLZ

OEAB

B

3.2

6.6

9

3.1

10.7

3.2

10

ns

† For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.

NOTE 2: Load circuits and waveforms are shown in Section 1.