EPM240屬于集成電路（IC）的CPLD（復(fù)雜可編程邏輯器件）。由英特爾制造生產(chǎn)的EPM240CPLD（復(fù)雜可編程邏輯器件）CPLD 是用于執(zhí)行邏輯運(yùn)算和信息處理的用戶可配置集成電路產(chǎn)品；與 PLD 或 PAL 器件相比，這些器件具有更高級(jí)別的功能（即更多的邏輯門），但低于 FPGA。CPLD 通常包含非易失性配置存儲(chǔ)器，支持直接在器件上存儲(chǔ)和保留用戶所需的配置，并在器件斷電時(shí)仍可保留這些信息。

Features ■ Low-cost, low-power CPLD

■ Instant-on, non-volatile architecture

■ Standby current as low as 2 mA

■ Provides fast propagation delay and clock-to-output times

■ Provides four global clocks with two clocks available per logic array

block (LAB)

■ UFM block up to 8 Kbits for non-volatile storage

■ MultiVolt core enabling external supply voltages to the device of

either 3.3 V/2.5 V or 1.8 V

■ MultiVolt I/O interface supporting 3.3-V, 2.5-V, 1.8-V, and 1.5-V logic

levels

■ Bus-friendly architecture including programmable slew rate, drive

strength, bus-hold, and programmable pull-up resistors

■ Schmitt triggers enabling noise tolerant inputs (programmable per

pin)

■ Fully compliant with the Peripheral Component Interconnect Special

Interest Group (PCI SIG) PCI Local Bus Specification, Revision 2.2 for

3.3-V operation at 66 MHz

■ Supports hot-socketing

■ Built-in Joint Test Action Group (JTAG) boundary-scan test (BST)

circuitry compliant with IEEE Std. 1149.1-1990

■ ISP circuitry compliant with IEEE Std. 1532