Specifications GAL26CV12

9

Specifications GAL26CV12B

1) Refer to Switching Test Conditions section.

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

3) Refer to fmax Specification section.

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

12

ns

—

Clock to Feedback Delay

—

2.5

—

2.5

—

10

ns

1

—

Setup Time, Input or Feedback before Clock

↑

7

—

10

—

12

—

ns

2

—

Setup Time, SP before Clock

↑

10

—

10

—

12

—

ns

—

Hold Time, Input or Feedback after Clock

↑

0

—

0

—

0

—

ns

A

Maximum Clock Frequency with

71.4

—

55.5

—

41.6

—

MHz

External Feedback, 1/(tsu + tco)

A

Maximum Clock Frequency with

105

—

80

—

45.4

—

MHz

Internal Feedback, 1/(tsu + tcf)

A

Maximum Clock Frequency with

105

—

83.3

—

62.5

—

MHz

No Feedback

—

Clock Pulse Duration, High

4

—

6

—

8

—

ns

—

Clock Pulse Duration, Low

4

—

6

—

8

—

ns

B

Input or I/O to Output Enabled

3

10

3

15

3

20

ns

C

Input or I/O to Output Disabled

3

10

3

15

3

20

ns

A

Input or I/O to Asynchronous Reset of Register

3

13

3

20

3

25

ns

—

Asynchronous Reset Pulse Duration

8

—

10

—

15

—

ns

—

Asynchronous Reset to Clock Recovery Time

8

—

10

—

15

—

ns

—

Synchronous Preset to Clock Recovery Time

10

—

10

—

12

—

ns

PARAMETER

UNITS

TEST

DESCRIPTION

-20

MIN. MAX.

-15

MIN. MAX.

-10

MIN. MAX.

SYMBOL

PARAMETER

MAXIMUM*

UNITS

TEST CONDITIONS

C

I

Input Capacitance

8

pF

V

C

I/O

I/O Capacitance

8

pF

V

*Characterized but not 100% tested.

COM / IND

COM

COM / IND

AC Switching Characteristics

Over Recommended Operating Conditions

Capacitance (T