ort8850 Lattice Semiconductor Corp., ort8850 Datasheet - Page 75

• Manufacturer Part Number: ort8850
• Description: Field-programmable System Chip Fpsc Eight-channel X 850 Mbits/s Backplane Transceiver
• Manufacturer: Lattice Semiconductor Corp.

Lattice Semiconductor
Input/Output Buffer Measurement Conditions (on-LVDS Buffer)
Figure 33. AC Test Loads
Figure 34. Output Buffer Delays
Figure 35. Input Buffer Delays
Note: Switch to V
A. Load Used to Measure Propagation Delay
TO THE OUTPUT UNDER TEST
DD
for T
PLZ
/T
PZL
; switch to GND for T
out[i]
out[i]
OUT
PAD
V
1.5 V
0.0 V
PAD IN
DD
V
V
DD
SS
/2
in[i]
ts[i]
V
3.0 V
1.5 V
0.0 V
PHZ
DD
V
V
DD
50 pF
SS
/2
/T
T
PZH
PHH
OUT
PAD
PAD
.
IN
T
AC TEST LOADS (SHOWN ABOVE)
75
PHH
T
TO THE OUTPUT UNDER TEST
PLL
B. Load Used to Measure Rising/Falling Edges
T
PLL
in[i]
ORCA ORT8850 Data Sheet
V
CC
GND
1 k
50 pF