HD74LV574A

8

Switching Characteristics (cont)

• V

Ta = 25

°C

Ta = –40 to 85

°C

Item

Symbol

Min

Typ

Max

Min

Max

Unit

Test Conditions

FROM

(Input)

TO

(Output)

Maximum

clock

frequency

fmax

130

205

—

110

—

MHz

C

85

175

—

75

—

C

Propa-

gation

delay time

t

PLH

t

PHL

—

4.8

8.6

1.0

10.0

ns

C

CLK

Q

—

5.7

10.6

1.0

12.0

C

Enable

time

t

ZH

t

ZL

—

4.6

9.0

1.0

10.5

ns

C

OE

Q

—

5.5

11.0

1.0

12.5

C

Disable

time

t

HZ

t

LZ

—

3.5

9.0

1.0

10.5

ns

C

OE

Q

—

4.1

10.1

1.0

11.5

C

Setup time

t

su

3.5

—

—

3.5

—

ns

Data before CLK

↑

Hold time

t

h

1.5

—

—

1.5

—

ns

Data after CLK

↑

Pulse

width

t

w

5.0

—

—

5.0

—

ns

CLK: H or L

Output-skew Characteristics

Ta = 25

°C

Ta = –40 to 85

°C

Item

Symbol

V

CC

(V)

Min

Typ

Max

Min

Max

Unit

Output skew

t

sk (O)

2.3 to 2.7

—

—

2.0

—

2.0

ns

3.0 to 3.6

—

—

1.5

—

1.5

4.5 to 5.5

—

—

1.0

—

1.0

Note:

Skew between any outputs of the same package switching in the same direction. This parameter is

warranted but not production tested.