74ACT11648

OCTAL BUS TRANSCEIVER AND REGISTER

WITH 3STATE OUTPUTS

SCAS115 − D3458, MARCH 1990 − REVISED APRIL 1993

POST OFFICE BOX 655303

2−6

switching characteristics over recommended ranges of supply voltage operating free-air

temperature (unless otherwise noted) (see Figure 2)

PARAMETER

FROM

TO

TA = 25°C

MIN

MAX

UNIT

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

MIN

TYP

MAX

MIN

MAX

UNIT

fmax

75

75

MHz

tPLH

A or B

B or A

2.4

6.5

9.5

2.4

10.7

ns

tPHL

A or B

B or A

4.4

8.5

11.3

4.4

12.7

ns

tPZH

G

A or B

4.2

9.2

13

4.2

14.6

ns

tPZL

G

A or B

4.3

9.8

13.9

4.3

15.6

ns

tPHZ

G

A or B

5.7

8.7

11.3

5.7

12.2

ns

tPLZ

G

A or B

5.3

8.1

10.5

5.3

11.4

ns

tPLH

CBA or CAB

A or B

5.2

9.4

12

5.2

13.7

ns

tPHL

CBA or CAB

A or B

6

10.5

13.5

6

15.2

ns

tPLH

SAB or SBA†

A or B

4.7

8.6

11.3

4.7

12.9

ns

tPHL

SAB or SBA†

(with A or B high)

A or B

3.8

8.6

12

3.8

13.4

ns

tPLH

SBA or SAB†

A or B

2.6

7.1

10.2

2.6

11.5

ns

tPHL

SBA or SAB†

(with A or B low)

A or B

5.4

9.7

12.6

5.4

14.1

ns

tPZH

DIR

A or B

3.9

9.8

14.9

3.9

16.9

ns

tPZL

DIR

A or B

3.9

10.8

15.1

3.9

17.2

ns

tPHZ

DIR

A or B

4.5

8.2

10.6

4.5

11.5

ns

tPLZ

DIR

A or B

3.9

7.3

9.6

3.9

11.3

ns

† These parameters are measured with the internal output state of the storage register opposite to that of the bus input.

PARAMETER

TEST CONDITIONS

TYP

UNIT

Cpd

Power dissipation capacitance per transceivers

Outputs enabled

CL = 50 pF,

f = 1 MHz

61

pF

Cpd

Power dissipation capacitance per transceivers

Outputs disabled

CL = 50 pF,

f = 1 MHz

15

pF