Chapter 1: Cyclone IV Device Datasheet 1–23
Switching Characteristics
December 2016 Altera Corporation Cyclone IV Device Handbook,
Volume 3
Table 1–23 lists the Cyclone IV GX transceiver block AC specifications.
Core Performance Specifications
The following sections describe the clock tree specifications, PLLs, embedded
multiplier, memory block, and configuration specifications for Cyclone IV Devices.
Clock Tree Specifications
Table 1–24 lists the clock tree specifications for Cyclone IV devices.
Table 1–23. Transceiver Block AC Specification for Cyclone IV GX Devices
(1),
(2)
Symbol/
Description
Conditions
C6 C7, I7 C8
Unit
Min Typ Max Min Typ Max Min Typ Max
PCIe Transmit Jitter Generation
(3)
Total jitter at 2.5 Gbps
(Gen1)
Compliance pattern — — 0.25 — — 0.25 — — 0.25 UI
PCIe Receiver Jitter Tolerance
(3)
Total jitter at 2.5 Gbps
(Gen1)
Compliance pattern > 0.6 > 0.6 > 0.6 UI
GIGE Transmit Jitter Generation
(4)
Deterministic jitter
(peak-to-peak)
Pattern = CRPAT — — 0.14 — — 0.14 — — 0.14 UI
Total jitter (peak-to-peak) Pattern = CRPAT — — 0.279 — — 0.279 — — 0.279 UI
GIGE Receiver Jitter Tolerance
(4)
Deterministic jitter
tolerance (peak-to-peak)
Pattern = CJPAT > 0.4 > 0.4 > 0.4 UI
Combined deterministic
and random jitter
tolerance (peak-to-peak)
Pattern = CJPAT > 0.66 > 0.66 > 0.66 UI
Notes to Table 1–23:
(1) Dedicated
refclk
pins were used to drive the input reference clocks.
(2) The jitter numbers specified are valid for the stated conditions only.
(3) The jitter numbers for PIPE are compliant to the PCIe Base Specification 2.0.
(4) The jitter numbers for GIGE are compliant to the IEEE802.3-2002 Specification.
Table 1–24. Clock Tree Performance for Cyclone IV Devices (Part 1 of 2)
Device
Performance
Unit
C6 C7 C8 C8L
(1)
C9L
(1)
I7 I8L
(1)
A7
EP4CE6 500 437.5 402 362 265 437.5 362 402 MHz
EP4CE10 500 437.5 402 362 265 437.5 362 402 MHz
EP4CE15 500 437.5 402 362 265 437.5 362 402 MHz
EP4CE22 500 437.5 402 362 265 437.5 362 402 MHz
EP4CE30 500 437.5 402 362 265 437.5 362 402 MHz
EP4CE40 500 437.5 402 362 265 437.5 362 402 MHz