SN54ABT16952, SN74ABT16952

16-BIT REGISTERED TRANSCEIVERS

WITH 3-STATE OUTPUTS

SCBS082C – FEBRUARY 1991 – REVISED JANUARY 1997

7

POST OFFICE BOX 655303

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

temperature (unless otherwise noted) (see Figure 1)

VCC = 5 V,

TA = 25°C

SN54ABT16952

SN74ABT16952

UNIT

MIN

MAX

MIN

MAX

MIN

MAX

fclock

Clock frequency

0

150

0

150

0

150

MHz

tw†

Pulse duration, CLKAB or CLKBA high or low

3.3

3.3

3.3

ns

t

Setup time,

A or B

3.5

3.5

3.5

ns

tsu

,

before CLKAB

↑ or CLKBA↑

CLKENAB or CLKENBA

3

3

3

ns

th

Hold time,

A or B

1

1

1

ns

th

,

after CLKAB

↑ or CLKBA↑

CLKENAB or CLKENBA

1

1

1

ns

† This parameter is warranted, but not production tested.

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

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCC = 5 V,

TA = 25°C

SN54ABT16952

SN74ABT16952

UNIT

(INPUT)

(OUTPUT)

MIN

TYP

MAX

MIN

MAX

MIN

MAX

fmax

150

150

150

MHz

tPLH

CLK

AorB

1

2.6

3.9

1

4.4

1

4.3

ns

tPHL

CLK

A or B

1

2.6

4.2

1

4.6

1

4.5

ns

tPZH

OE

AorB

1

2.5

3.8

1

4.7

1

4.6

ns

tPZL

OE

A or B

1

2.8

5.1

1

6.1

1

6

ns

tPHZ

OE

AorB

1.7

3.4

4.7

1.7

6.1

1.7

5.5

ns

tPLZ

OE

A or B

1.3

3

3.9

1.3

4.8

1.3

4.2

ns

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.