Stratix GX Transceivers
Figure 2–6. Output Buffer
Serializer
Output Buffer
Programmable
Pre-Emphasis
Programmable
Termination
Output
Pins
Programmable
Output
Driver
Programmable Output Driver
The programmable output driver can be set to drive out 400 to 1,600 mV.
Table 2–4 shows the available settings for each termination value. The
VOD can be dynamically or statically set. The output driver requires either
internal or external termination at the source.
Table 2–4. Programmable VOD (Differential)
Note (1)
VOD Setting (mV)
Termination Setting (Ω)
100
120
150
400, 800, 1000, 1200, 1400, 1600
480, 960, 1200, 1440
600, 1200, 1500
Note to Table 2–4:
(1) VOD differential is measured as VA – VB (see Figure 2–7).
Altera Corporation
June 2006
2–11
Stratix GX Device Handbook, Volume 1
ALTERA [ ALTERA CORPORATION ]
