Intel® MAX® 10 General Purpose I/O User Guide

ID 683751
Date 10/31/2022
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2.1.1. Intel® MAX® 10 I/O Standards Voltage and Pin Support

Table 4.   Intel® MAX® 10 I/O Standards Voltage Levels and Pin Support
Note: The I/O standards that each pin type supports depends on the I/O standards that the pin's I/O bank supports. For example, only the bottom I/O banks support the LVDS (dedicated) I/O standard. You can use the LVDS (dedicated) I/O standard for the PLL_CLKOUT pin only if the pin is available in your device's bottom I/O banks. To determine the pin's I/O bank locations for your device, check your device's pin out file.
I/O Standard VCCIO (V) VREF (V) Pin Type Support
Input Output PLL_CLKOUT MEM_CLK CLK DQS User I/O
3.3 V LVTTL/3.3 V LVCMOS 3.3/3.0/2.5 3.3 Yes Yes Yes Yes Yes
3.0 V LVTTL/3.0 V LVCMOS 3.0/2.5 3.0 Yes Yes Yes Yes Yes
2.5 V LVCMOS 3.0/2.5 2.5 Yes Yes Yes Yes Yes
1.8 V LVCMOS 1.8/1.5 1.8 Yes Yes Yes Yes Yes
1.5 V LVCMOS 1.8/1.5 1.5 Yes Yes Yes Yes Yes
1.2 V LVCMOS 1.2 1.2 Yes Yes Yes Yes Yes
1.0 V LVCMOS 1.0 11 1.011 Yes Yes
3.0 V PCI 3.0 3.0 Yes Yes Yes Yes Yes
3.3 V Schmitt Trigger 3.3 Yes Yes 12 Yes
2.5 V Schmitt Trigger 2.5 Yes Yes12 Yes
1.8 V Schmitt Trigger 1.8 Yes Yes12 Yes
1.5 V Schmitt Trigger 1.5 Yes Yes12 Yes
SSTL-2 Class I 2.5 2.5 1.25 Yes Yes Yes Yes Yes
SSTL-2 Class II 2.5 2.5 1.25 Yes Yes Yes Yes Yes
SSTL-18 Class I 1.8 1.8 0.9 Yes Yes Yes Yes Yes
SSTL-18 Class II 1.8 1.8 0.9 Yes Yes Yes Yes Yes
SSTL-15 Class I 1.5 1.5 0.75 Yes Yes Yes Yes Yes
SSTL-15 Class II 1.5 1.5 0.75 Yes Yes Yes Yes Yes
SSTL-15 1.5 1.5 0.75 Yes Yes Yes Yes Yes
SSTL-135 1.35 1.35 0.675 Yes Yes Yes Yes Yes
1.8 V HSTL Class I 1.8 1.8 0.9 Yes Yes Yes Yes Yes
1.8 V HSTL Class II 1.8 1.8 0.9 Yes Yes Yes Yes Yes
1.5 V HSTL Class I 1.5 1.5 0.75 Yes Yes Yes Yes Yes
1.5 V HSTL Class II 1.5 1.5 0.75 Yes Yes Yes Yes Yes
1.2 V HSTL Class I 1.2 1.2 0.6 Yes Yes Yes Yes Yes
1.2 V HSTL Class II 1.2 1.2 0.6 Yes Yes Yes Yes Yes
HSUL-12 1.2 1.2 0.6 Yes Yes Yes Yes Yes
Differential SSTL-2 Class I and II 2.5 Yes Yes Yes
2.5 1.25 Yes Yes
Differential SSTL-18 Class I and Class II 1.8 Yes Yes Yes
1.8 0.9 Yes Yes
Differential SSTL-15 Class I and Class II 1.5 Yes Yes Yes
1.5 0.75 Yes Yes
Differential SSTL-15 1.5 Yes Yes Yes
1.5 0.75 Yes Yes
Differential SSTL-135 1.35 Yes Yes Yes
1.35 0.675 Yes Yes
Differential 1.8 V HSTL Class I and Class II 1.8 Yes Yes Yes
1.8 0.9 Yes Yes
Differential 1.5 V HSTL Class I and Class II 1.5 Yes Yes Yes
1.5 0.75 Yes Yes
Differential 1.2 V HSTL Class I and Class II 1.2 Yes Yes Yes
1.2 0.6 Yes Yes
Differential HSUL-12 1.2 Yes Yes Yes
1.2 0.6 Yes Yes
LVDS (dedicated) 2.5 2.5 Yes Yes Yes Yes
1.8 V LVDS (dedicated) 1.8 1.8 Yes Yes Yes Yes
LVDS (emulated, external resistors) 2.5 Yes Yes Yes
Mini-LVDS (dedicated) 2.5 Yes Yes Yes
Mini-LVDS (emulated, external resistor) 2.5 Yes Yes Yes
RSDS (dedicated) 2.5 Yes Yes Yes
RSDS (emulated, external resistor, 1R) 2.5 Yes Yes Yes
RSDS (emulated, external resistors, 3R) 2.5 Yes Yes Yes
PPDS (dedicated) 2.5 Yes Yes Yes
PPDS (emulated, external resistor) 2.5 Yes Yes Yes
LVPECL 2.5 Yes
Bus LVDS 2.5 2.5 Yes
TMDS 2.5 Yes Yes
Sub-LVDS 2.5 1.8 Yes Yes Yes Yes
SLVS 2.5 2.5 Yes Yes Yes Yes
HiSpi 2.5 Yes Yes
11 Not supported on bank 1B and bank 8.
12 Bidirectional—use Schmitt Trigger input with LVTTL output.