SN74BCT29834

8BIT TO 9BIT PARITY BUS TRANSCEIVER

SCBS256 − SEPTEMBER 1987 − REVISED NOVEMBER 1993

2−5

POST OFFICE BOX 655303

POST OFFICE BOX 1443

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

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCC = 5 V,

CL = 50 pF,

R1 = 500

Ω,

R2 = 500

Ω,

TA = 25°C

VCC = 4.5 V to 5.5 V,

CL = 50 pF,

R1 = 500

Ω,

R2 = 500

Ω,

TA = MIN to MAX†

UNIT

MIN

TYP

MAX

MIN

MAX

tPLH

A or B

B or A

1

5

7

1

8

ns

tPHL

A or B

B or A

1.5

4

6

1.5

7

ns

tPLH

A

PARITY

1.5

10

13

1.5

15

ns

tPHL

A

PARITY

1.5

8

10

1.5

15

ns

tPZH

OEA or OEB

A or B

2

11

15

2

19

ns

tPZL

OEA or OEB

A or B

2

15

19

2

21

ns

tPHZ

OEA or OEB

A or B

2

8

11

2

15

ns

tPLZ

OEA or OEB

A or B

2

13

17

2

21

ns

tPLH

CLK

ERR

1.5

7

10

1.5

12

ns

tPLH

CLR

ERR

1.5

13

17

1.5

18

ns

tPLH

OEA

PARITY

1.5

10

13

1.5

15

ns

tPHL

OEA

PARITY

1.5

10

13

1.5

15

ns

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

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