Specifications GAL6002

9

AC Switching Characteristics

Over Recommended Operating Conditions

A

Combinatorial Input to Combinatorial Output

—

15

—

20

ns

A

Feedback or I/O to Combinational Output

—

15

—

20

ns

A

Transparent Latch Input to Combinatorial Output

—

18

—

23

ns

A

Input Latch ICLK to Combinatorial Output Delay

—

20

—

25

ns

A

Input Reg. ICLK to Combinatorial Output Delay

—

20

—

25

ns

A

Output D/E Reg. OCLK to Output Delay

—

6.5

—

8ns

A

Output D Reg. Sum Term CLK to Output Delay

—

18

—

20

ns

—

Output D/E Reg. OCLK to Buried Feedback Delay

—

3.6

—

7ns

—

Output D Reg. STCLK to Buried Feedback Delay

—

10.1

—

13

ns

—

Setup Time, Input before Input Latch ICLK

1.5

—

2

—

ns

—

Setup Time, Input before Input Reg. ICLK

1.5

—

2

—

ns

—

Setup Time, Input or Fdbk before D/E Reg. OCLK

11.5

—

13

—

ns

—

Setup Time, Input or Fdbk before D Reg. Sum Term CLK

5

—

7

—

ns

—

Setup Time, Input Reg. ICLK before D/E Reg. OCLK

15

—

20

—

ns

—

Setup Time, Input Reg. ICLK before D Reg. Sum Term CLK

7

—

9

—

ns

—

Hold Time, Input after Input Latch ICLK

3

—

4

—

ns

—

Hold Time, Input after Input Reg. ICLK

3

—

4

—

ns

—

Hold Time, Input or Feedback after D/E Reg. OCLK

0

—

0

—

ns

—

Hold Time, Input or Feedback after D Reg. Sum Term CLK

4

—

6

—

ns

—

Max. Clock Frequency w/External Feedback, 1/(

55.5 —

47.6 —

MHz

—

Max. Clock Frequency w/External Feedback, 1/(

43.4 —

37

—

MHz

—

Max. Clock Frequency w/Internal Feedback, 1/(

66

—

50

—

MHz

—

Max. Clock Frequency w/Internal Feedback, 1/(

66

—

50

—

MHz

—

Max. Clock Frequency w/No Feedback, OCLK

75

—

60

—

MHz

—

Max. Clock Frequency w/No Feedback, STCLK

70

—

60

—

MHz

—

ICLK Pulse Duration, High

6

—

7

—

ns

—

OCLK Pulse Duration, High

6

—

7

—

ns

—

STCLK Pulse Duration, High

7

—

8

—

ns

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.

PARAM.

TEST

DESCRIPTION

-20

MIN. MAX.

-15

MIN. MAX.

COM

COM