EP2C20AF208C8ES 데이터 시트보기 (PDF) - Altera Corporation

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EP2C20AF208C8ES

Section I. Cyclone II Device Family Data Sheet

Altera Corporation 

Introduction

● 133-MHz PCI-X 1.0 specification compatibility

● High-speed external memory support, including DDR, DDR2,

and SDR SDRAM, and QDRII SRAM supported by drop in

Altera IP MegaCore functions for ease of use

● Three dedicated registers per I/O element (IOE): one input

register, one output register, and one output-enable register

● Programmable bus-hold feature

● Programmable output drive strength feature

● Programmable delays from the pin to the IOE or logic array

● I/O bank grouping for unique VCCIO and/or VREF bank

settings

● MultiVolt™ I/O standard support for 1.5-, 1.8-, 2.5-, and

3.3-interfaces

● Hot-socketing operation support

● Tri-state with weak pull-up on I/O pins before and during

configuration

● Programmable open-drain outputs

● Series on-chip termination support

■ Flexible clock management circuitry

● Hierarchical clock network for up to 402.5-MHz performance

● Up to four PLLs per device provide clock multiplication and

division, phase shifting, programmable duty cycle, and external

clock outputs, allowing system-level clock management and

skew control

● Up to 16 global clock lines in the global clock network that drive

throughout the entire device

■ Device configuration

● Fast serial configuration allows configuration times less than

100 ms

● Decompression feature allows for smaller programming file

storage and faster configuration times

● Supports multiple configuration modes: active serial, passive

serial, and JTAG-based configuration

● Supports configuration through low-cost serial configuration

devices

● Device configuration supports multiple voltages (either 3.3, 2.5,

or 1.8 V)

■ Intellectual property

● Altera megafunction and Altera MegaCore function support,

and Altera Megafunctions Partners Program (AMPPSM)

megafunction support, for a wide range of embedded

processors, on-chip and off-chip interfaces, peripheral

functions, DSP functions, and communications functions and

Altera Corporation

February 2008

1–3

Cyclone II Device Handbook, Volume 1

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