EP4CE115 datasheet(18/42 Pages) ALTERA

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Chapter 1: Cyclone IV Device Datasheet

Switching Characteristics

Cyclone IV Device Handbook,

May 2013

Altera Corporation

Volume 3

Supported I/O

Standards

1.4 V PCML,

1.5 V PCML,

2.5 V PCML,

LVPECL, LVDS

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

Absolute VMAX for a

receiver pin (3)

—

1.6

—

1.6

—

1.6

Operational VMAX for

a receiver pin

—

1.5

—

1.5

—

1.5

Absolute VMIN for a

receiver pin

—

–0.4

—

–0.4

—

–0.4

—

Peak-to-peak

differential input

voltage VID (diff p-p)

VICM = 0.82 V

setting, Data Rate

= 600 Mbps to

3.125 Gbps

0.1

—

2.7

0.1

—

2.7

0.1

—

2.7

VICM

VICM = 0.82 V

setting

—

820 ±

10%

——

820 ±

10%

——

820 ±

10%

—mV

Differential on-chip

termination resistors

100

 setting

—

100

—

100

—

100

—



150

 setting

—

150

—

150

—

150

—



Differential and

common mode

return loss

PIPE, Serial

Rapid I/O SR,

SATA, CPRI LV,

SDI, XAUI

Compliant

—

Programmable ppm

detector (4)

—

± 62.5, 100, 125, 200,

250, 300

ppm

Clock data recovery

(CDR) ppm

tolerance (without

spread-spectrum

clocking enabled)

——

—

±300 (5),

±350

(6), (7)

——

±300

(5),

±350

(6), (7)

——

±300

(5),

±350

(6), (7)

ppm

CDR ppm tolerance

(with synchronous

spread-spectrum

clocking enabled) (8)

——

—

350 to

–5350

(7), (9)

——

350 to

–5350

(7), (9)

——

350 to

–5350

(7), (9)

ppm

Run length

—

Programmable

equalization

No Equalization

—

1.5

—

1.5

—

1.5

Medium Low

—

4.5

—

4.5

—

4.5

Medium High

—

5.5

—

5.5

—

5.5

High

——

—

——

Signal detect/loss

threshold

PIPE mode

—

175

—

175

—

175

Table 1–21. Transceiver Specification for Cyclone IV GX Devices (Part 2 of 4)

Symbol/

Description

Conditions

C7, I7

Unit

Min

Typ

Max

Min

Typ

Max

Min

Typ

Max

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