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Chapter 1: Cyclone IV Device Datasheet
1–17
Switching Characteristics
December 2016
Altera Corporation
Transceiver Performance Specifications
lists the Cyclone IV GX transceiver specifications.
Table 1–21. Transceiver Specification for Cyclone IV GX Devices (Part 1 of 4)
Symbol/
Description
Conditions
C6
C7, I7
C8
Unit
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Reference Clock
Supported I/O
Standards
1.2 V PCML, 1.5 V PCML, 3.3 V PCML, Differential LVPECL, LVDS, HCSL
Input frequency
from
REFCLK
input
pins
—
50
—
156.25
50
—
156.25
50
—
156.25
MHz
Spread-spectrum
modulating clock
frequency
Physical interface
for PCI Express
(PIPE) mode
30
—
33
30 —
33
30
—
33
kHz
Spread-spectrum
downspread
PIPE mode
—
0 to
–
0.5%
—
—
0 to
–
0.5%
—
—
0 to
–
0.5%
—
—
Peak-to-peak
differential input
voltage
—
0.1
—
1.6
0.1
—
1.6
0.1
—
1.6
V
V
ICM
(AC coupled)
—
1100 ± 5%
1100 ± 5%
1100 ± 5%
mV
V
ICM
(DC coupled)
HCSL I/O
standard for PCIe
reference clock
250
—
550
250
—
550
250
—
550
mV
Transmitter REFCLK
Phase Noise
Frequency offset
= 1 MHz – 8 MHZ
—
—
–
123
—
—
–
123
—
—
–
123
dBc/Hz
Transmitter REFCLK
Total Jitter
—
—
42.3
—
—
42.3
—
—
42.3
ps
R
ref
—
—
2000
± 1%
—
—
2000
± 1%
—
—
2000
± 1%
—
Transceiver Clock
cal_blk_clk
clock
frequency
—
10
—
125
10
—
125
10
—
125
MHz
fixedclk
clock
frequency
PCIe Receiver
Detect
—
125
—
—
125
—
—
125
—
MHz
reconfig_clk
clock frequency
Dynamic
reconfiguration
clock frequency
2.5/
37.5
—
50
2.5/
37.5
—
50
2.5/
37.5
—
50
MHz
Delta time between
reconfig_clk
—
—
—
2
—
—
2
—
—
2
ms
Transceiver block
minimum
power-down pulse
width
—
—
1
—
—
1
—
—
1
—
µs
Summary of Contents for Cyclone IV
Page 10: ...x Chapter Revision Dates Cyclone IV Device Handbook March 2016 Altera Corporation Volume 1...
Page 14: ...I 2 Section I Device Core Cyclone IV Device Handbook March 2016 Altera Corporation Volume 1...
Page 274: ...vi Contents Cyclone IV Device Handbook February 2015 Altera Corporation Volume 2...
Page 440: ...iv Contents Cyclone IV Device Handbook December 2016 Altera Corporation Volume 3...
Page 442: ...vi Chapter Revision Dates Cyclone IV Device Handbook December 2016 Altera Corporation Volume 3...
Page 446: ......