lx64eb Lattice Semiconductor Corp., lx64eb Datasheet - Page 38

• Manufacturer Part Number: lx64eb
• Description: High Performance Interfacing And Switching
• Manufacturer: Lattice Semiconductor Corp.

ispGDX2V/B/C, ispGDX2EV/EB/EC FIFO Internal Timing
Lattice Semiconductor
Routing Delays
t
t
t
t
t
t
Core Delays
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
FIFODATAIN
FIFODATAOUT
FIFORCLK
FIFOREN
FIFOWCLK
FIFOWEN
FIFOCLKSKEW
FIFOEMPTY
FIFOFULL
FIFORCEH
FIFORCES
FIFORCLKO
FIFORSTO
FIFORSTPW
FIFORSTR
FIFOSTRD
FIFOTHRU
FIFOWCEH
FIFOWCES
FIFOWCLKH
FIFOWCLKS
Parameter
FIFO Input Delay
FIFO Output to I/O Core Delay
Read Clock Input Delay
Read Clock Enable Input Delay
Write Clock Input Delay
Write Clock Enable Input Delay
Global Read Clock to Write Clock Skew
Read Clock to Empty Flag Delay
Write Clock to Full Flag Delay
Read Clock Hold after Read Clock Enable
Time
Read Clock Setup before Read Clock
Enable Time
Read Clock to FIFO Out Delay
Reset to Output Delay
Reset Pulse Width
Reset Recovery Time
Write Clock to Start Read Flag Delay
Flow Through Delay
Write Clock hold after Write Clock Enable
Time
Write Clock Setup before Write Clock Enable
Time
Write Data Hold after Write Clock Time
Write Data Setup before Write Clock Time
Description
38
Min. Max.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
-3
0.00
0.00
0.00
0.00
0.00
0.00
2.00
1.30
1.30
0.00
1.50
0.50
0.70
2.00
1.20
0.00
0.00
2.00
0.00
0.50
1.00
Min. Max.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
-32
0.00
0.00
0.00
0.00
0.00
0.00
2.00
1.80
1.80
0.00
1.50
0.50
0.70
2.00
1.50
0.00
0.00
2.00
0.00
0.50
1.00
ispGDX2 Family Data Sheet
Min. Max.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
-35
0.00
0.00
0.00
0.00
0.00
0.00
2.00
1.80
1.80
0.00
1.50
0.50
0.70
2.00
2.00
0.00
0.00
2.00
0.00
0.70
1.00
Min. Max.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
-5
0.00
0.00
0.00
0.00
0.00
0.00
3.33
3.00
3.00
0.00
2.50
0.83
1.17
3.33
3.33
0.00
0.00
3.33
0.00
1.17
1.67
Timing v.2.2
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns