54ACT16833, 74ACT16833

DUAL 8BIT TO 9BIT PARITY BUS TRANSCEIVERS

SCAS166A − JUNE 1990 − REVISED APRIL 1996

7

POST OFFICE BOX 655303

POST OFFICE BOX 1443

timing requirements over recommended operating free-air temperature range,

TA = 25°C

54ACT16833

74ACT16833

UNIT

MIN

MAX

MIN

MAX

MIN

MAX

UNIT

tw

Pulse duration

CLK high or low

4

4

4

ns

tw

Pulse duration

CLR low

4

4

4

ns

tsu

Setup time before CLK

↑

Bi + PARITY

7.5

7.5

7.5

ns

tsu

Setup time before CLK

↑

CLR inactive

1.5

1.5

1.5

ns

th

Hold time, Bi + PARITY low after CLK

↑

0

0

0

ns

switching characteristics over recommended operating free-air temperature range,

PARAMETER

FROM

TO

TA = 25°C

54ACT16833

74ACT16833

UNIT

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

MIN

TYP

MAX

MIN

MAX

MIN

MAX

UNIT

tPLH

A or B

B or A

4

7.2

9.2

4

10.4

4

10.4

ns

tPHL

A or B

B or A

3.2

6.6

9.6

3.2

10.7

3.2

10.7

ns

tPLH

A

PARITY

3.9

7.9

12

3.9

13.5

3.9

13.5

ns

tPHL

A

PARITY

4.2

8.3

12.4

4.2

13.8

4.2

13.8

ns

tPZH

OEB or OEA

A or B

3.1

6.7

10.1

3.1

11.2

3.1

11.2

ns

tPZL

OEB or OEA

A or B

3.8

7.9

11.6

3.8

13

3.8

13

ns

tPHZ

OEB or OEA

A or B

5.5

7.8

10

5.5

10.8

5.5

10.8

ns

tPLZ

OEB or OEA

A or B

5

7.1

9.3

5

10.1

5

10.1

ns

tPLH

CLR

ERR

10.7

13.1

15.4

10.7

15.8

10.7

15.8

ns

tPHL

CLK

ERR

4.6

7.8

10.3

4.6

11.6

4.6

11.6

ns

tPLH

OEA

PARITY

4

8

11.8

4

13.2

4

13.2

ns

tPHL

OEA

PARITY

4.3

8.5

12.3

4.3

13.6

4.3

13.6

ns

tPZH

OEB

PARITY

2.6

5.7

8.5

2.6

9.5

2.6

9.5

ns

tPZL

OEB

PARITY

3.4

6.8

9.8

3.4

10.7

3.4

10.7

ns

tPHZ

OEB

PARITY

5.6

7.9

9.5

5.6

10.2

5.6

10.2

ns

tPLZ

OEB

PARITY

5.1

7.2

9.1

5.1

9.7

5.1

9.7

ns

PARAMETER

TEST CONDITIONS

TYP

UNIT

Outputs enabled

A to B

64

Cpd

Power dissipation capacitance per transceiver

Outputs enabled

B to A

CL = 50 pF,

f = 1 MHz

72

pF

Cpd

Power dissipation capacitance per transceiver

Outputs disabled

A to B

CL = 50 pF,

f = 1 MHz

6

pF

Outputs disabled

B to A

10.5

PRODUCT PREVIEW information concerns products in the formative or

design phase of development. Characteristic data and other

specifications are design goals. Texas Instruments reserves the right to

change or discontinue these products without notice.