SN54ABT574, SN74ABT574A

OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS

WITH 3-STATE OUTPUTS

SCBS191E – JANUARY 1991 – REVISED NOVEMBER 2002

5

POST OFFICE BOX 655303

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

temperature (unless otherwise noted) (see Figure 1)

SN74ABT574A

VCC = 5 V,

TA = 25°C

MIN

MAX

UNIT

MIN

MAX

fclock

Clock frequency

150

150

MHz

tw

Pulse duration, CLK high or low

3.3

3.3

ns

tsu

Setup time data before CLK

↑

High

1

1

ns

tsu

Setup time, data before CLK

↑

Low

1.5

1.5

ns

th

Hold time, data after CLK

↑

High or low

1.8†

1.8†

ns

† This data-sheet limit may vary among suppliers.

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

SN54ABT574

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCC = 5 V,

TA = 25°C

MIN

MAX

UNIT

MIN

TYP

MAX

fmax

150

200

150

MHz

tPLH

CLK

Q

2.2

3.9

6.2

2.2

7

ns

tPHL

CLK

Q

3

4.8

7

3

7.4

ns

tPZH

OE

Q

1

3.3

5

1

5.8

ns

tPZL

OE

Q

2.5

4.7

5.9

2.5

7.2

ns

tPHZ

OE

Q

2.4

4.9

6.2

2.4

7.2

ns

tPLZ

OE

Q

2

4

5.8

2

6.9

ns

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

SN74ABT574A

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCC = 5 V,

TA = 25°C

MIN

MAX

UNIT

MIN

TYP

MAX

fmax

150

200

150

MHz

tPLH

CLK

Q

2.2

3.9

6.2

2.2

6.8

ns

tPHL

CLK

Q

3

4.8

6.6

3

7.1

ns

tPZH

OE

Q

1

3.3

4.3

1

5.1

ns

tPZL

OE

Q

2.1†

4.7

5.9

2.1†

6.7

ns

tPHZ

OE

Q

2.4

4.9

6.2

2.4

7

ns

tPLZ

OE

Q

2

4

5.8

2

6.5

ns

† This data-sheet limit may vary among suppliers.