SN54ABT374, SN74ABT374A

OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS

WITH 3-STATE OUTPUTS

SCBS111G – FEBRUARY 1991 – REVISED JANUARY 1997

5

POST OFFICE BOX 655303

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

temperature (unless otherwise noted) (see Figure 1)

SN74ABT374A

VCC = 5 V,

TA = 25°C

MIN

MAX

UNIT

MIN

MAX

fclock

Clock frequency

0

150

0

150

MHz

tw

Pulse duration

CLK high or low

3.3

3.3

ns

t

Setup time before CLK

↑

Data high

1

1

ns

tsu

Setup time before CLK

↑

Data low

1.9

1.9

ns

th

Hold time after CLK

↑

Data high or low

2.1†

2.1†

ns

† This data sheet limit may vary among suppliers.

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

SN54ABT374

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

4.2

5.7

1.8

6.6

ns

tPHL

CLK

Q

3.1

5.1

6.6

2.6

7.6

ns

tPZH

OE

Q

1.2

3.2

4.7

0.8

5.7

ns

tPZL

OE

Q

2.3

4.7

6.2

1.5

7.2

ns

tPHZ

OE

Q

2.3

4.5

6.1

1.3

7.2

ns

tPLZ

OE

Q

1.9

4.5

6

1

7

ns

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

SN74ABT374A

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

4.2

5.7

2.2

6.2

ns

tPHL

CLK

Q

3.1

5.1

6.6

3.1

7.1

ns

tPZH

OE

Q

1.2

3.2

4.7

1.2

5.2

ns

tPZL

OE

Q

2.7

4.7

6.2

2.7

6.7

ns

tPHZ

OE

Q

2.5

4.5

6

2.5

6.7†

ns

tPLZ

OE

Q

2

4.5

6

2

6.5

ns

† This data sheet limit may vary among suppliers.