HC210 datasheet(207/228 Pages) ALTERA

207 / 228 page

Altera Corporation

8–19

September 2008

Preliminary

On-Chip Termination

Table 8–13 lists the HardCopy II HC210 and HC220 output standards that

support on-chip series termination without calibration.

On-Chip Series Termination with Calibration

Stratix II devices support on-chip series termination with calibration in

column I/O pins in the top and bottom banks. HC230 and HC240 devices

also support on-chip series termination with calibration in column I/O

pins in the top and bottom banks, but HC220 and HC210 devices only

support this feature on the top I/O banks. Table 8–14 lists available I/O

standards on the HardCopy II devices that support calibrated-series

termination.

Table 8–13. HC210 and HC220 Selectable I/O Drivers with On-Chip Series Termination without Calibration

Note (1)

I/O Standard

Top Column I/O

Pins

Bottom Column I/O

Pins

Left Row I/O Pins

Right Row I/O Pins

3.3-V LVTTL

25 or 50

3.3-V LVCMOS

25 or 50

2.5-V LVTTL

25 or 50

2.5-V LVCMOS

25 or 50

1.8-V LVTTL

25 or 50

1.8-V LVCMOS

25 or 50

1.5-V LVTTL

(3)

(2)

1.5-V LVCMOS

(3)

(2)

2.5-V SSTL class I

(2)

2.5-V SSTL class II

(2)

1.8-V SSTL class I

(2)

1.8-V SSTL class II

(2)

1.8-V HSTL class I

(2)

1.8-V HSTL class II

(2)

1.5-V HSTL class I

(3)

(2)

Notes to Table 8–13:

(1)

All these numbers are preliminary and pending silicon characterization.

(2)

HardCopy II HC210 and HC220 devices do not support on-chip series termination with this I/O standard on these

pins.

(3)

Support pending HardCopy II characterization.

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