Specifications GAL20XV10

9

COM

A

Input or I/O to Combinatorial Output

3

10

3

15

3

20

ns

A

Clock to Output Delay

2

7

2

8

2

10

ns

—

Clock to Feedback Delay

—

4

—

4

—

4ns

—

Setup Time, Input or Feedback before Clock

↑

6

—

8

—

10

—

ns

—

Hold Time, Input or Feedback after Clock

↑

0

—

0

—

0

—

ns

A

Maximum Clock Frequency with

76.9

—

62.5

—

50

—

MHz

External Feedback, 1/(tsu + tco)

A

Maximum Clock Frequency with

100

—

83.3

—

71.4

—

MHz

Internal Feedback, 1/(tsu + tcf)

A

Maximum Clock Frequency with

100

—

83.3

—

71.4

—

MHz

No Feedback

—

Clock Pulse Duration, High

4

—

6

—

7

—

ns

—

Clock Pulse Duration, Low

4

—

6

—

7

—

ns

B

Input or I/O to Output Enabled

3

10

3

15

3

20

ns

B

OE to Output Enabled

2

9

2

10

2

15

ns

C

Input or I/O to Output Disabled

3

9

3

15

3

20

ns

C

OE to Output Disabled

2

9

2

10

2

15

ns

PARAMETER

UNITS

-20

MIN. MAX.

TEST

DESCRIPTION

-15

MIN. MAX.

1) Refer to Switching Test Conditions section.

2) Calculated from fmax with internal feedback. Refer to fmax Description section.

3) Refer to fmax Description section.

-10

MIN. MAX.

SYMBOL

PARAMETER

MAXIMUM*

UNITS

TEST CONDITIONS

Input Capacitance

8

pF

I/O Capacitance

8

pF

*Characterized but not 100% tested

COM

COM

AC Switching Characteristics

Over Recommended Operating Conditions

Capacitance (T