EP2C5T144I8N Datasheet, PDF (307/470 Pages) Altera Corporation – Cyclone II Device Handbook, Volume 1

Selectable I/O Standards in Cyclone II Devices
Table 10–6. Programmable Drive Strength (Part 2 of 2)
I/O Standard
SSTL-2 class I
SSTL-2 class II
SSTL-18 class I
SSTL-18 class II
HSTL-18 class I
HSTL-18 class II
HSTL-15 class I
HSTL-15 class II
I_OH/I_OL Current Strength Setting (mA)
Top and Bottom I/O Pins Side I/O Pins
8
8
12
12
16
16
20
—
24
—
6
6
8
8
10
10
12
—
16
—
18
—
8
8
10
10
12
12
16
N/A
18
—
20
—
8
8
10
—
12
—
16
N/A
These drive-strength settings are programmable on a per-pin basis using
the Quartus II software.
Altera Corporation
February 2008
10–25
Cyclone II Device Handbook, Volume 1