This datasheet describes configuration devices for SRAM-based look-up table (LUT) devices. Features Configuration devices for SRAM-based LUT devices offer the following features: ■ Configures Altera ACEX 1K, APEX 20K (including APEX 20K, APEX 20KC, and APEX 20KE), APEX II, Arria GX, Cyclone, Cyclone II, FLEX 10K (including FLEX 10KE and FLEX 10KA) Mercury, Stratix, Stratix GX, Stratix II, and Stratix II GX devices ■ Easy-to-use four-pin interface ■ Low current during configuration and near-zero standby mode current ■ Programming support with the Altera Programming Unit (APU) and programming hardware from Data I/O, BP Microsystems, and other third-party programmers ■ Available in compact plastic packages ■ 8-pin plastic dual in-line (PDIP) package ■ 20-pin plastic J-lead chip carrier (PLCC) package ■ 32-pin plastic thin quad flat pack (TQFP) package ■ EPC2 device has reprogrammable flash configuration memory ■ 5.0-V and 3.3-V in-system programmability (ISP) through the built-in IEEE Std. 1149.1 JTAG interface ■ Built-in JTAG boundary-scan test (BST) circuitry compliant with IEEE Std. 1149.1 ■ Supports programming through Serial Vector Format File (.svf), Jam Standard Test and Programming Language (STAPL) Format File (.jam), JAM Byte Code File (.jbc), and the Quartus II and MAX+PLUS II softwares using the USB-Blaster, MasterBlaster, ByteBlaster II, EthernetBlaster, or ByteBlasterMV download cable ■ Supports programming through Programmer Object File (.pof) for EPC1 and EPC1441 devices ■ nINIT_CONF pin allows INIT_CONF JTAG instruction to begin FPGA configuration