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EP3C40 데이터시트(PDF) 1 Page - Altera Corporation |
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EP3C40 데이터시트(HTML) 1 Page - Altera Corporation |
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1 / 34 page  © January 2010 Altera Corporation Cyclone III Device Handbook, Volume 2 1. Cyclone III Device Data Sheet This chapter describes the electric characteristics, switching characteristics, and I/O timing for Cyclone® III devices. A glossary is also included for your reference. Electrical Characteristics The following sections provide information about the absolute maximum ratings, recommended operating conditions, DC characteristics, and other specifications for Cyclone III devices. Operating Conditions When Cyclone III devices are implemented in a system, they are rated according to a set of defined parameters. To maintain the highest possible performance and reliability of Cyclone III devices, system designers must consider the operating requirements in this document. Cyclone III devices are offered in commercial, industrial, and automotive grades. Commercial devices are offered in –6 (fastest), –7, and –8 speed grades. Industrial and automotive devices are offered only in –7 speed grade. 1 In this chapter, a prefix associated with the operating temperature range is attached to the speed grades; commercial with “C” prefix, industrial with “I” prefix, and automotive with “A” prefix. Commercial devices are therefore indicated as C6, C7, and C8 per respective speed grades. Industrial and automotive devices are indicated as I7 and A7, respectively. Absolute Maximum Ratings Absolute maximum ratings define the maximum operating conditions for Cyclone III devices. The values are based on experiments conducted with the device and theoretical modeling of breakdown and damage mechanisms. The functional operation of the device is not implied at these conditions. Table 1–1 lists the absolute maximum ratings for Cyclone III devices. 1 Conditions beyond those listed in Table 1–1 cause permanent damage to the device. Additionally, device operation at the absolute maximum ratings for extended periods of time has adverse effects on the device. Table 1–1. Cyclone III Devices Absolute Maximum Ratings (Note 1) (Part 1 of 2) Symbol Parameter Min Max Unit V CCINT Supply voltage for internal logic –0.5 1.8 V V CCIO Supply voltage for output buffers –0.5 3.9 V V CCA Supply voltage (analog) for phase-locked loop (PLL) regulator –0.5 3.75 V V CCD_PLL Supply voltage (digital) for PLL –0.5 1.8 V V I DC input voltage –0.5 3.95 V CIII52001-3.3 |
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