ispgdx160va Lattice Semiconductor Corp., ispgdx160va Datasheet - Page 13

• Manufacturer Part Number: ispgdx160va
• Description: In-system Programmable 3.3v Generic Digital Crosspoint
• Manufacturer: Lattice Semiconductor Corp.

ispGDX160VA timings are specified with a GRP load
(fanout) of four I/O cells. The figure below shows the ∆
GRP Delay with increased GRP loads. These deltas
External Timing Parameters (Continued)
ispGDX160VA Maximum
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0 4 10
20
∆
I/O Cell Fanout
GRP Delay vs. I/O Cell Fanout
13
30
apply to any signal path traversing the GRP (MUXA-D,
OE, CLK/CLKEN, MUXsel0-1). Global Clock signals
which do not use the GRP have no fanout delay adder.
Specifications ispGDX160VA
40
50
60
70