Specifications GAL16V8D

12

A

Input or I/O to Comb. Output

1

3.5

1

5

1

7.5

ns

A

Clock to Output Delay

1

3

1

4

1

5

ns

—

Clock to Feedback Delay

—

2.5

—

3

—

3

ns

—

Setup Time, Input or Feedback before Clock↑

2.5

—

3

—

5

—

ns

Hold Time, Input or Feedback after Clock↑

0—

0

—

0

—

ns

A

Maximum Clock Frequency with

182

—

142.8 —

100

—

MHz

External Feedback, 1/(tsu + tco)

A

Maximum Clock Frequency with

200

—

166

—

125

—

MHz

Internal Feedback, 1/(tsu + tcf)

A

Maximum Clock Frequency with

250

—

166

—

125

—

MHz

No Feedback

—

Clock Pulse Duration, High

—4

—

ns

—

Clock Pulse Duration, Low

—4

—

ns

B

Input or I/O to Output Enabled

—

4.5

1

6

1

9

ns

B

OE to Output Enabled

—

4.5

1

6

1

6

ns

C

Input or I/O to Output Disabled

—

4.5

1

5

1

9

ns

C

OE to Output Disabled

—

4.5

1

5

1

6

ns

-5

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.

AC Switching Characteristics

Over Recommended Operating Conditions

-7

MIN. MAX.

UNITS

PARAMETER

TEST

DESCRIPTION

COM / IND

COM

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. Characterized but not 100% tested.

4) Characterized but not 100% tested.

-3

MIN. MAX.

COM

Capacitance (T