EP4CE15F23C6N Datasheet, PDF(14/42 Page) Altera Corporation – This section lists the I/O leakage current, pin capacitance, on-chip termination (OCT) tolerance, and bus hold specifications for Cyclone IV devices.

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EP4CE15F23C6N Datasheet, PDF (14/42 Pages) Altera Corporation – This section lists the I/O leakage current, pin capacitance, on-chip termination (OCT) tolerance, and bus hold specifications for Cyclone IV devices.

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1â14

Chapter 1: Cyclone IV Device Datasheet

Operating Conditions

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 1â18. Differential SSTL I/O Standard Specifications for Cyclone IV Devices (1)

I/O Standard

VCCIO (V)

VSwing(DC) (V)

VX(AC) (V)

Min Typ Max Min Max

Min

Typ

SSTL-2

Class I, II

2.375 2.5 2.625 0.36 VCCIO VCCIO/2 â 0.2 â

SSTL-18

Class I, II

1.7

1.8 1.90 0.25 VCCIO

VCCIO/2 â

0.175

Note to Table 1â18:

(1) Differential SSTL requires a VREF input.

Max

VCCIO/2

+ 0.2

VCCIO/2

+ 0.175

VSwing(AC)

(V)

Min Max

0.7 VCCI

0.5 VCCI

VOX(AC) (V)

Min

VCCIO/2 â

0.125

VCCIO/2 â

0.125

Typ Max

VCCIO/2

+ 0.125

VCCIO/2

+ 0.125

Table 1â19. Differential HSTL I/O Standard Specifications for Cyclone IV Devices (1)

I/O Standard

VCCIO (V)

Min Typ Max

VDIF(DC) (V)

Min Max

VX(AC) (V)

Min

Typ Max

VCM(DC) (V)

Min Typ Max

HSTL-18

Class I, II

1.71 1.8 1.89 0.2 â

0.85

HSTL-15

Class I, II

1.425 1.5 1.575 0.2 â

0.71

HSTL-12

Class I, II

1.14 1.2 1.26 0.16 VCCIO 0.48 x VCCIO â

Note to Table 1â19:

(1) Differential HSTL requires a VREF input.

0.95

0.79

0.52 x

VCCIO

0.85 â 0.95

0.71 â 0.79

0.48 x

VCCIO

0.52 x

VCCIO

VDIF(AC) (V)

Max

0.4 â

0.3

0.48 x

VCCIO

Table 1â20. Differential I/O Standard Specifications for Cyclone IV Devices (1) (Part 1 of 2)

I/O Standard

VCCIO (V)

VID (mV)

Min Typ Max Min Max Min

VIcM (V) (2)

Condition

VOD (mV) (3)

VOS (V) (3)

Max Min Typ Max Min Typ Max

0.05 DMAXï ï£ï 500 Mbps 1.80

LVPECL

(Row I/Os)

(6)

2.375

2.5

2.625 100 â

0.55

500 Mbps ï£ DMAX

ï£ 700 Mbps

1.80

1.05 DMAX > 700 Mbps 1.55

LVPECL

(Column

I/Os) (6)

0.05 DMAXï ï£ 500 Mbps 1.80

2.375

2.5

2.625 100 â

0.55

500 Mbps ï£ DMAX

ï£ï 700 Mbps

1.80

1.05 DMAX > 700 Mbps 1.55

0.05 DMAXï ï£ 500 Mbps 1.80

LVDS (Row

I/Os)

2.375

2.5

2.625 100 â

0.55

500 Mbps ï£ DMAX

ï£ 700 Mbps

1.80

247

600 1.125

1.25

1.375

1.05 DMAX > 700 Mbps 1.55

Cyclone IV Device Handbook,

Volume 3

December 2013 Altera Corporation

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