Chapter 1: DC and Switching Characteristics for Stratix IV Devices
1–30
Switching Characteristics
March 2014
Altera Corporation
Stratix IV Device Handbook
Volume 4: Device Datasheet and Addendum
Differential and
common mode
return loss
PCIe Gen1 and
Gen2 (TX
VOD=4),
XAUI
(TX VOD=6),
HiGig+
(TX VOD=6),
CEI SR/LR
(TX VOD=8),
Serial RapidIO
SR (VOD=6),
Serial RapidIO
LR (VOD=8),
CPRI LV
(VOD=6),
CPRI HV
(VOD=2),
OBSAI (VOD=6),
SATA (VOD=4),
Compliant
—
—
50
—
200
50
—
200
50
—
200
ps
—
50
—
200
50
—
200
50
—
200
ps
XAUI rise time
—
60
—
130
60
—
130
60
—
130
ps
XAUI fall time
—
60
—
130
60
—
130
60
—
130
ps
Intra-differential
pair skew
——
—
15
—
15
—
15
ps
Intra-transceiver
block transmitter
channel-to-channel
skew
×4 PMA and
PCS bonded
mode Example:
XAUI, PCIe, ×4,
Basic ×4
—
120
—
120
—
120
ps
Inter-transceiver
block transmitter
channel-to-channel
skew
×8 PMA and
PCS bonded
mode Example:
PCIe ×8,
Basic ×8
—
500
—
500
—
500
ps
Table 1–24. Transceiver Specifications for Stratix IV GT Devices (Part 6 of 8)
Symbol/
Description
Conditions
–1 Industrial Speed
Grade
–2 Industrial Speed
Grade
–3 Industrial Speed
Grade
Unit
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max