EP2C70 Datasheet | Altera

.. Section IV. I/O Standards This section provides information on Cyclone™ II single-ended, voltage referenced, and differential I/O standards. This section includes the following chapters: - - Chapter 10, Selectable I/O Standards in Cyclone II Devices Chapter 11, High-Speed Differential Interfaces in Cyclone II Devices Revision History The table below shows the revision history for Chapters 10 and 11. Chapter(s) Date / Version Changes Made November 2004, Updated Table 10- 7. v1.1 June 2004, v1.0 Added document to the Cyclone II Device Handbook. Updated Table 11- 1. Updated Figures 11- 4, 11- 5, 11- 7, and 11- 8. .. 11 November 2004, v1.1 - - June 2004, v1.0 Added document to the Cyclone II Device Handbook. Altera Corporation Section IV- 1 Preliminary . .. 4U. .. I/O Standards Cyclone II Device Handbook, Volume 1 .. Section IV- 2 Preliminary Altera Corporation . .. 4U. .. Chapter 10. Selectable I/O Standards in Cyclone II Devices CII51010-1.1 Introduction The proliferation of I/O standards and the need for improved I/O performance have made it critical that low-cost devices have flexible I/O capabilities. Selectable I/O capabilities such as SSTL-18, SSTL-2, and LVDS patibility allow Cyclone™ II devices to connect to other devices on the same printed circuit board (PCB) that may require different operating and I/O voltages. With these aspects of implementation easily manipulated using the Altera® Quartus® II software, the Cyclone II device family enables system designers to use low cost FPGAs while keeping pace with increasing design plexity. This chapter is a guide to understanding the input and output capabilities of the Cyclone II devices, including: - - - - - .. f For information on hot socketing, see the Hot Socketing, ESD & Power-On Reset chapter in Volume 1 of the Cyclone II Device Handbook. Cyclone II devices support the I/O standards shown in Table 10- 1. Supported I/O standards Cyclone II I/O banks Programmable current drive strength...