AMD

2-15

PAL16R8-4/5 (Com’l)

Parameter

Symbol

Parameter Description

Test Conditions

Typ

Unit

Input Capacitance

8

5

Output Capacitance

f = 1 MHz

8

Note:

1. These parameters are not 100% tested, but are evaluated at initial characterization and at any time the design is modified

where capacitance may be affected.

Parameter

Min

Min

Symbol

Parameter Description

(Note 3)

Max

(Note 3)

Max

Unit

Input or Feedback to Combinatorial Output

1

5

1

4.5

ns

Setup Time from Input or Feedback to Clock

4.5

4.5

ns

Hold Time

0

0

ns

Clock to Output

1

4.0

1

3.5

ns

Skew Between Registered Outputs (Note 4)

1

0.5

ns

LOW

4

4

ns

HIGH

4

4

ns

External Feedback

117

125

MHz

Internal Feedback

125

125

MHz

(Note 6)

No Feedback

125

125

MHz

OE to Output Enable

1

6.5

1

6.5

ns

OE to Output Disable

1

5

1

5

ns

Input to Output Enable Using

2

6.5

2

6.5

ns

Product Term Control

Input to Output Disable Using

2

5

2

5

ns

Product Term Control

CAPACITANCE (Note 1)

SWITCHING CHARACTERISTICS over COMMERCIAL operating ranges (Note 2)

°C

pF

Clock Width

Maximum

Frequency

(Note 5)

-5

-4

Notes:

2. See Switching Test Circuit for test conditions.

ments may alter these values; therefore, minimum values are recommended for simulation purposes only.

4. Skew testing takes into account pattern and switching direction differences between outputs.

5. These parameters are not 100% tested, but are calculated at initial characterization and at any time the design is modified

where the frequency may be affected.

16R8, 16R6,

16R4

16L8, 16R6,

16R4

16L8, 16R8,

16R4

CLK,

OE