Specifications GAL22V10

7

A

Input or I/O to Combinatorial Output

1

4

1

5

1

7.5

ns

A

Clock to Output Delay

1

3.5

1

4

1

4.5

ns

—

Clock to Feedback Delay

—

2.5

—

3

—

3ns

—

Setup Time, Input or Fdbk before Clk

↑

2.5

—

3

—

4.5

—

ns

—

Hold Time, Input or Fdbk after Clk

↑

0

—

0

—

0

—

ns

A

Maximum Clock Frequency with

167

—

142.8

—

111

—

MHz

External Feedback, 1/(tsu + tco)

A

Maximum Clock Frequency with

200

—

166

—

133

—

MHz

Internal Feedback, 1/(tsu + tcf)

A

Maximum Clock Frequency with

250

—

200

—

166

—

MHz

No Feedback

—

Clock Pulse Duration, High

2

—

2.5

—

3

—

ns

—

Clock Pulse Duration, Low

2

—

2.5

—

3

—

ns

B

Input or I/O to Output Enabled

1

5

1

6

1

7.5

ns

C

Input or I/O to Output Disabled

1

5

1

5.5

1

7.5

ns

A

Input or I/O to Asynch. Reset of Reg.

1

4.5

1

5.5

1

9

ns

—

Asynch. Reset Pulse Duration

4.5

—

4.5

—

7

—

ns

—

Asynch. Reset to Clk

↑ Recovery Time

3

—

4

—

5

—

ns

—

Synch. Preset to Clk

↑ Recovery Time

3

—

4

—

5

—

ns

Over Recommended Operating Conditions

UNITS

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. Characterized initially and after any design or process changes that may affect these

parameters.

PARAM

TEST

DESCRIPTION

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.

-5

MIN. MAX.

COM/IND

COM

-7

MIN. MAX.

AC Switching Characteristics

Capacitance (T

Specifications GAL22V10D

COM

-4

MIN. MAX.