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ELECTRICAL CHARACTERISTICS

TIMING REQUIREMENTS

SN74ALVCH16721

3.3-V 20-BIT FLIP-FLOP

WITH 3-STATE OUTPUTS

SCES052E – JULY 1995 – REVISED AUGUST 2004

over recommended operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

UNIT

1.65 V to 3.6 V

1.65 V

1.2

2.3 V

2

2.3 V

1.7

V

2.7 V

2.2

3 V

2.4

3 V

2

1.65 V to 3.6 V

0.2

1.65 V

0.45

2.3 V

0.4

V

2.3 V

0.7

2.7 V

0.4

3 V

0.55

3.6 V

±5

µA

1.65 V

25

1.65 V

-25

2.3 V

45

2.3 V

-45

µA

3 V

75

3 V

-75

(2)

3.6 V

±500

3.6 V

±10

µA

3.6 V

40

µA

∆I

CC

3 V to 3.6 V

750

µA

Control inputs

3.5

3.3 V

pF

Data inputs

6

Outputs

3.3 V

7

pF

(1)

(2)

This is the bus-hold maximum dynamic current. It is the minimum overdrive current required to switch the input from one state to

another.

over recommended operating free-air temperature range (unless otherwise noted) (see Figures 1 through 3)

± 0.2 V

± 0.3 V

UNIT

MIN

MAX

MIN

MAX

MIN

MAX

MIN

MAX

Clock frequency

(1)

150

150

150

MHz

Pulse duration, CLK high or low

(1)

3.3

3.3

3.3

ns

Data before CLK

↑

(1)

4

3.6

3.1

Setup time

ns

CLKEN before CLK

↑

(1)

3.4

3.1

2.7

Data after CLK

↑

(1)

0

0

0

th

Hold time

ns

CLKEN after CLK

↑

(1)

0

0

0

(1)

This information was not available at the time of publication.

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