SN54ABT32501, SN74ABT32501

36BIT UNIVERSAL BUS TRANSCEIVERS

WITH 3STATE OUTPUTS

SCBS229B − JUNE 1992 − REVISED NOVEMBER 1994

6

POST OFFICE BOX 655303

POST OFFICE BOX 1443

timing requirements over recommended ranges of supply voltage and operating free-air

temperature (unless otherwise noted) (see Figure 1)

SN54ABT32501

SN74ABT32501

UNIT

MIN

MAX

MIN

MAX

UNIT

fclock

Clock frequency

0

150

0

150

MHz

tw

Pulse duration

LE high

3.3

3.3

ns

tw

Pulse duration

CLK high or low

3.3

3.3

ns

tsu

Setup time

A or B before CLK

↑

3.5

3.5

ns

tsu

Setup time

A or B before LE

↓

1.6

1.6

ns

th

Hold time

A or B after CLK

↑

0

0

ns

th

Hold time

A or B after LE

↓

1.6

1.6

ns

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

PARAMETER

FROM

TO

SN54ABT32501

SN74ABT32501

UNIT

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

MIN

TYP†

MAX

MIN

TYP†

MAX

UNIT

fmax

150

150

MHz

tPLH

A or B

B or A

1.3

2.9

4.8

1.3

2.9

4.8

ns

tPHL

A or B

B or A

1.4

2.7

5.4

1.4

2.7

5.4

ns

tPLH

LEAB or LEBA

B or A

1.6

3.4

5.3

1.6

3.4

5.3

ns

tPHL

LEAB or LEBA

B or A

1.9

3.6

5.5

1.9

3.6

5.5

ns

tPLH

CLKAB or CLKBA

B or A

1.5

3.2

5.3

1.5

3.2

5.3

ns

tPHL

CLKAB or CLKBA

B or A

1.7

3.3

5.4

1.7

3.3

5.4

ns

tPZH

OEAB or OEBA

B or A

1.2

3.2

5.6

1.2

3.2

5.6

ns

tPZL

OEAB or OEBA

B or A

1.5

3.6

6

1.5

3.6

6

ns

tPHZ

OEAB or OEBA

B or A

1.8

3.6

5.9

1.8

3.6

5.9

ns

tPLZ

OEAB or OEBA

B or A

1.7

3.5

5.6

1.7

3.5

5.6

ns

† All typical values are at VCC = 5 V, TA = 25°C.

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.