afs600 Actel Corporation, afs600 Datasheet - Page 148

• Manufacturer Part Number: afs600
• Description: Actel Fusion Programmable System Chips Mixed-signal Family With Optional Arm Support
• Manufacturer: Actel Corporation

Selectable Skew between Output Buffer Enable/Disable Time
The configurable skew block is used to delay the output buffer assertion (enable) without affecting deassertion
(disable) time.
Figure 2-99 • Block Diagram of Output Enable Path
Figure 2-100 • Timing Diagram (option1: bypasses skew circuit)
Figure 2-101 • Timing Diagram (option 2: enables skew circuit)
2 -1 3 4
Actel Fusion Programmable System Chips
(from FPGA core)
Output Enable
ENABLE (OUT)
ENABLE (OUT)
ENABLE (IN)
ENABLE (IN)
ENABLE (IN)
Less than
0.1 ns
(typical)
1.2 ns
Skew Circuit
A d v a n c e d v 1 . 4
Skew Select
Less than
MUX
0.1 ns
Less than
0.1 ns
ENABLE (OUT)
I/O Output
Buffers