EP1AGX ALTERA [Altera Corporation], EP1AGX Datasheet - Page 15

• Manufacturer Part Number: EP1AGX
• Description: Section I. Arria GX Device Data Sheet
• Manufacturer: ALTERA [Altera Corporation]

Chapter 2: Arria GX Architecture
Transceivers
Figure 2–8. Output Buffer
Figure 2–9. Differential Signaling
© December 2009 Altera Corporation
V
= V
OD
Serializer
high
(Differential)
Complement
−
V
Programmable Output Driver
The programmable output driver can be set to drive out differentially from 400 to
1200 mV. The differential output voltage (V
ALTGXB megafunction.
You can configure the output driver with 100- OCT or external OCT.
Differential signaling conventions are shown in
represents the value of the voltage between the true and complement signals.
Peak-to-peak differential voltage is defined as 2 (V
voltage swing. The common mode voltage is the average of V
low
True
Output Buffer
Programmable
Output
Driver
Single-Ended Waveform
Differential Waveform
+V
Programmable
Pre-Emphasis
OD
V
V
high
low
+V
2 * V
-
OD
OD
OD
) can be statically set by using the
Figure
HIGH
2–9. The differential amplitude
– V
-V
LOW
Arria GX Device Handbook, Volume 1
OD
HIGH
) = 2 single-ended
+400
0-V Differential
−400
Output
Pins
and V
LOW
.
2–9