EP4CE115 datasheet(14/42 Pages) ALTERA

14 / 42 page

1–14

Chapter 1: Cyclone IV Device Datasheet

Operating Conditions

Cyclone IV Device Handbook,

May 2013

Altera Corporation

Volume 3

f For more information about receiver input and transmitter output waveforms, and for

other differential I/O standards, refer to the I/O Features in Cyclone IV Devices chapter.

Table 1–18. Differential SSTL I/O Standard Specifications for Cyclone IV Devices (1)

I/O Standard

VCCIO (V)

VSwing(DC) (V)

VX(AC) (V)

VSwing(AC)

(V)

VOX(AC) (V)

Min

Typ

Max

Min

Max

Min

Typ

Max

Min Max

Min

Typ

Max

SSTL

-2

Class I, II

2.375

2.5

2.625 0.36

VCCIO VCCIO/2 – 0.2

—

VCCIO/2

+ 0.2

0.7

VCCI

VCCIO/2 –

0.125

—

VCCIO/2

+ 0.125

SSTL

-18

Class I, II

1.7

1.8

1.90

0.25

VCCIO

VCCIO/2 –

0.175

—

VCCIO/2

+ 0.175

0.5

VCCI

VCCIO/2 –

0.125

—

VCCIO/2

+ 0.125

Note to Table 1–18:

(1) Differential SSTL requires a VREF input.

Table 1–19. Differential HSTL I/O Standard Specifications for Cyclone IV Devices (1)

I/O Standard

VCCIO (V)

VDIF(DC) (V)

VX(AC) (V)

VCM(DC) (V)

VDIF(AC) (V)

Min

Typ

Max

Min

Max

Min

Typ

Max

Min

Typ

Max

HSTL

-18

Class I, II

1.71

1.8

1.89

0.2

—

0.85

—

0.95

0.85

—

0.95

0.4

—

HSTL

-15

Class I, II

1.425

1.5

1.575

0.2

—

0.71

—

0.79

0.71

—

0.79

0.4

—

HSTL

-12

Class I, II

1.14

1.2

1.26

0.16

VCCIO

0.48 x VCCIO

—

0.52 x

VCCIO

0.48 x

VCCIO

—

0.52 x

VCCIO

0.3

0.48 x

VCCIO

Note to Table 1–19:

(1) Differential HSTL requires a VREF input.

Table 1–20. Differential I/O Standard Specifications for Cyclone IV Devices (1) (Part 1 of 2)

I/O Standard

VCCIO (V)

VID (mV)

VIcM (V) (2)

VOD (mV) (3)

VOS (V) (3)

Min

Typ

Max

Min

Max

Min

Condition

Max

Min

Typ

Max

Min

Typ

Max

LVPECL

(Row I/Os)

(6)

2.375

2.5

2.625

100

—

0.05

DMAX500 Mbps

1.80

———

—

0.55

500 Mbps

 D

MAX

 700 Mbps

1.80

1.05

DMAX > 700 Mbps

1.55

LVPECL

(Column

I/Os) (6)

2.375

2.5

2.625

100

—

0.05

DMAX 500 Mbps

1.80

———

—

0.55

500 Mbps

 D

MAX

700 Mbps

1.80

1.05

DMAX > 700 Mbps

1.55

LVDS (Row

I/Os)

2.375

2.5

2.625

100

—

0.05

DMAX 500 Mbps

1.80

247

—

600

1.125

1.25

1.375

0.55

500 Mbps

 D

MAX

 700 Mbps

1.80

1.05

DMAX > 700 Mbps

1.55

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