SN74ALS29854

8-BIT TO 9-BIT PARITY BUS TRANSCEIVER

SDAS118C – FEBRUARY 1987 – REVISED JANUARY 1995

5

POST OFFICE BOX 655303

switching characteristics (see Figure 1)

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

TEST CONDITIONS

VCC = 4.75 V to 5.25 V,

TA = MIN to MAX†

UNIT

(INPUT)

(OUTPUT)

MIN

MAX

tPLH

AorB

BorA

C50 pF

8

ns

tPHL

A or B

B or A

CL = 50 pF

8

ns

tPLH

AorB

BorA

C

300 pF

13

ns

tPHL

A or B

B or A

CL = 300 pF

13

ns

tPLH

A

PARITY

C50 pF

15

ns

tPHL

A

PARITY

CL = 50 pF

18

ns

tPLH

A

PARITY

C

300 pF

22

ns

tPHL

A

PARITY

CL = 300 pF

22

ns

tPZH

OEA or OEB

AorB

C50 pF

17

ns

tPZL

OEA or OEB

A or B

CL = 50 pF

17

ns

tPZH

OEA or OEB

AorB

C

300 pF

23

ns

tPZL

OEA or OEB

A or B

CL = 300 pF

23

ns

tPHZ

OEA or OEB

AorB

C5 pF

8

ns

tPLZ

OEA or OEB

A or B

CL = 5 pF

8

ns

tPHZ

OEA or OEB

AorB

C50 pF

15

ns

tPLZ

OEA or OEB

A or B

CL = 50 pF

8

ns

tPHL

LE

ERR

CL = 50 pF

12

ns

tPLH

CLR

ERR

CL = 50 pF

12

ns

tPLH

OEA

PARITY

C50 pF

17

ns

tPHL

OEA

PARITY

CL = 50 pF

19

ns

tPLH

OEA

PARITY

C

300 pF

22

ns

tPHL

OEA

PARITY

CL = 300 pF

25

ns

tPLH

Bi/PARITY

ERR

CL 50 pF

20

ns

tPHL

Bi/PARITY

ERR

CL = 50 pF

20

ns

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