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

ID 683751
Date 1/27/2022
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2.1. Intel® MAX® 10 I/O Standards Support

Intel® MAX® 10 devices support a wide range of I/O standards, including single-ended, voltage-referenced single-ended, and differential I/O standards.
Table 3.  Supported I/O Standards in Intel® MAX® 10 Devices

The voltage-referenced I/O standards are not supported in the following I/O banks of these device packages:

  • All I/O banks of V36 package of 10M02.
  • All I/O banks of V81 package of 10M08.
  • Banks 1A and 1B of E144 package of 10M50.
I/O Standard Type Device Support Direction Application Standard Support
Input Output
3.3 V LVTTL/3.3 V LVCMOS Single-ended All Yes Yes General purpose JESD8-B
3.0 V LVTTL/3.0 V LVCMOS Single-ended All Yes Yes General purpose JESD8-B
2.5 V LVCMOS Single-ended All Yes Yes General purpose JESD8-5
1.8 V LVCMOS Single-ended All Yes Yes General purpose JESD8-7
1.5 V LVCMOS Single-ended All Yes Yes General purpose JESD8-11
1.2 V LVCMOS Single-ended All Yes Yes General purpose JESD8-12
1.0 V LVCMOS 1 Single-ended Specific devices1 Yes Yes General purpose
3.0 V PCI Single-ended All Yes Yes General purpose PCI Rev. 2.2
3.3 V Schmitt Trigger Single-ended All Yes General purpose
2.5 V Schmitt Trigger Single-ended All Yes General purpose
1.8 V Schmitt Trigger Single-ended All Yes General purpose
1.5 V Schmitt Trigger Single-ended All Yes General purpose
SSTL-2 Class I Voltage-referenced All Yes Yes DDR1 JESD8-9B
SSTL-2 Class II Voltage-referenced All Yes Yes DDR1 JESD8-9B
SSTL-18 Class I Voltage-referenced All Yes Yes DDR2 JESD8-15
SSTL-18 Class II Voltage-referenced All Yes Yes DDR2 JESD8-15
SSTL-15 Class I Voltage-referenced All Yes Yes DDR3
SSTL-15 Class II Voltage-referenced All Yes Yes DDR3
SSTL-15 2 Voltage-referenced All Yes Yes DDR3 JESD79-3D
SSTL-1352 Voltage-referenced All Yes Yes DDR3L
1.8 V HSTL Class I Voltage-referenced All Yes Yes DDR II+, QDR II+, and RLDRAM 2 JESD8-6
1.8 V HSTL Class II Voltage-referenced All Yes Yes DDR II+, QDR II+, and RLDRAM 2 JESD8-6
1.5 V HSTL Class I Voltage-referenced All Yes Yes DDR II+, QDR II+, QDR II, and RLDRAM 2 JESD8-6
1.5 V HSTL Class II Voltage-referenced All Yes Yes DDR II+, QDR II+, QDR II, and RLDRAM 2 JESD8-6
1.2 V HSTL Class I Voltage-referenced All Yes Yes General purpose JESD8-16A
1.2 V HSTL Class II Voltage-referenced All Yes Yes General purpose JESD8-16A
HSUL-122 Voltage-referenced All Yes Yes LPDDR2
Differential SSTL-2 Class I and II Differential All Yes 3 Yes 4 DDR1 JESD8-9B
Differential SSTL-18 Class I and Class II Differential All Yes3 Yes4 DDR2 JESD8-15
Differential SSTL-15 Class I and Class II Differential All Yes3 Yes4 DDR3
Differential SSTL-15 Differential All Yes3 Yes4 DDR3 JESD79-3D
Differential SSTL-135 Differential All Yes3 Yes4 DDR3L
Differential 1.8 V HSTL Class I and Class II Differential All Yes3 Yes4 DDR II+, QDR II+, and RLDRAM 2 JESD8-6
Differential 1.5 V HSTL Class I and Class II Differential All Yes3 Yes4 DDR II+, QDR II+, QDR II, and RLDRAM 2 JESD8-6
Differential 1.2 V HSTL Class I and Class II Differential All Yes3 Yes4 General purpose JESD8-16A
Differential HSUL-12 Differential All Yes3 Yes4 LPDDR2
LVDS (dedicated) 5 Differential All Yes Yes ANSI/TIA/EIA-644
LVDS (emulated, external resistors) Differential All Yes ANSI/TIA/EIA-644
Mini-LVDS (dedicated)5 Differential All Yes
Mini-LVDS (emulated, external resistor) Differential Dual supply devices Yes
RSDS (dedicated)5 Differential All Yes
RSDS (emulated, external resistor, 1R) Differential Dual supply devices Yes
RSDS (emulated, external resistors, 3R) Differential All Yes
PPDS (dedicated)5 Differential Dual supply devices Yes
PPDS (emulated, external resistor) Differential Dual supply devices Yes
LVPECL Differential All Yes
Bus LVDS Differential All Yes Yes6
TMDS Differential Dual supply devices Yes
Sub-LVDS Differential Dual supply devices Yes Yes7
SLVS Differential Dual supply devices Yes Yes8
HiSpi Differential Dual supply devices Yes
1 The 1.0 V LVCMOS I/O standard is available only for the following device combinations and subject to device OPN availability:

10M02/04/08/16/25/40/50 + SC/DC/SA/DA/DD + U324/U169/F256/F484 + I7/C7/C8

2 Available in Intel® MAX® 10 16, 25, 40, and 50 devices only.
3 The inputs treat differential inputs as two single-ended inputs and decode only one of them.
4 The outputs use two single-ended output buffers with the second output buffer programmed as inverted.
5 You can use dedicated LVDS transmitters only on the bottom I/O banks. You can use LVDS receivers on all I/O banks.
6 The outputs use two single-ended output buffers with the second output buffer programmed as inverted. A single series resistor is required.
7 Requires external termination resistors.
8 The outputs uses two single-ended output buffers as emulated differential outputs. Requires external termination resistors.