Specifications GAL16V8D/883

5

Capacitance (T

SYMBOL

PARAMETER

MAXIMUM*

UNITS

TEST CONDITIONS

C

I

Input Capacitance

10

pF

V

C

I/O

I/O Capacitance

10

pF

V

*Characterized but not 100% tested.

A

Input or I/O to Combinational Output

3

15

3

20

3

30

ns

A

Clock to Output Delay

2

12

2

15

2

20

ns

—

Clock to Feedback Delay

—

12

—

15

—

20

ns

—

Setup Time, Input or Feedback before Clock↑

12

—

15

—

25

—

ns

—

Hold Time, Input or Feedback after Clock↑

0—

0—

0

—

ns

A

Maximum Clock Frequency with

41.6

—

33.3

—

22.2

—

MHz

External Feedback, 1/(tsu + tco)

A

Maximum Clock Frequency with

41.6

—

33.3

—

22.2

—

MHz

Internal Feedback, 1/(tsu + tcf)

A

Maximum Clock Frequency with

50

—

41.6

—

33.3

—

MHz

No Feedback

—

Clock Pulse Duration, High

10

—

12

—

15

—

ns

—

Clock Pulse Duration, Low

10

—

12

—

15

—

ns

B

Input or I/O to Output Enabled

—

15

—

20

—

30

ns

B

OE to Output Enabled

—

15

—

18

—

25

ns

C

Input or I/O to Output Disabled

—

15

—

20

—

30

ns

C

OE to Output Disabled

—

15

—

18

—

25

ns

1) Refer to Switching Test Conditions section.

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

3) Refer to fmax Descriptions section.

-20

MIN. MAX.

-15

MIN. MAX.

PARAMETER

UNITS

DESCRIPTION

TEST

-30

MIN. MAX.

AC Switching Characteristics

Over Recommended Operating Conditions