Altera Cyclone IV - Page 465

Chapter 1: Cyclone IV Device Datasheet 1–19
Switching Characteristics
December 2016 Altera Corporation Cyclone IV Device Handbook,
Volume 3
Signal detect/loss
threshold
PIPE mode 65 — 175 65 — 175 65 — 175 mV
t
LTR
(10)
— —— 75 —— 75—— 75 µs
t
LTR-LTD_Manual
(11)
— 15— — 15— —15— — µs
t
LTD
(12)
— 0 100 4000 0 100 4000 0 100 4000 ns
t
LTD_Manual
(13)
— — — 4000 — — 4000 — — 4000 ns
t
LTD_Auto
(14)
— — — 4000 — — 4000 — — 4000 ns
Receiver buffer and
CDR offset
cancellation time
(per channel)
— — — 17000 — — 17000 — — 17000
recon
fig_c
lk
cycles
Programmable DC
gain
DC Gain Setting =
0
—0 — —0 ——0 —dB
DC Gain Setting =
1
—3 — —3 ——3 —dB
DC Gain Setting =
2
—6 — —6 ——6 —dB
Transmitter
Supported I/O
Standards
1.5 V PCML
Data rate (F324 and
smaller package)
— 600 — 2500 600 — 2500 600 — 2500 Mbps
Data rate (F484 and
larger package)
— 600 — 3125 600 — 3125 600 — 2500 Mbps
V
OCM
0.65 V setting — 650 — — 650 — — 650 — mV
Differential on-chip
termination resistors
100 setting — 100 — — 100 — — 100 — 
150 setting — 150 — — 150 — — 150 — 
Differential and
common mode
return loss
PIPE, CPRI LV,
Serial Rapid I/O
SR, SDI, XAUI,
SATA
Compliant —
Rise time — 50 — 200 50 — 200 50 — 200 ps
Fall time — 50 — 200 50 — 200 50 — 200 ps
Intra-differential pair
skew
— — — 15 — — 15 — — 15 ps
Intra-transceiver
block skew
— — — 120 — — 120 — — 120 ps
Table 1–21. Transceiver Specification for Cyclone IV GX Devices (Part 3 of 4)
Symbol/
Description
Conditions
C6 C7, I7 C8
Unit
Min Typ Max Min Typ Max Min Typ Max