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EP4CGX150 数据表(PDF) 41 Page - Altera Corporation |
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EP4CGX150 数据表(HTML) 41 Page - Altera Corporation |
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41 / 42 page  Chapter 1: Cyclone IV Device Datasheet 1–41 Glossary December 2013 Altera Corporation Cyclone IV Device Handbook, Volume 3 V VCM(DC) DC common mode input voltage. VDIF(AC) AC differential input voltage: The minimum AC input differential voltage required for switching. VDIF(DC) DC differential input voltage: The minimum DC input differential voltage required for switching. VICM Input common mode voltage: The common mode of the differential signal at the receiver. VID Input differential voltage swing: The difference in voltage between the positive and complementary conductors of a differential transmission at the receiver. VIH Voltage input high: The minimum positive voltage applied to the input that is accepted by the device as a logic high. VIH(AC) High-level AC input voltage. VIH(DC) High-level DC input voltage. VIL Voltage input low: The maximum positive voltage applied to the input that is accepted by the device as a logic low. VIL (AC) Low-level AC input voltage. VIL (DC) Low-level DC input voltage. VIN DC input voltage. VOCM Output common mode voltage: The common mode of the differential signal at the transmitter. VOD Output differential voltage swing: The difference in voltage between the positive and complementary conductors of a differential transmission at the transmitter. VOD = VOH – VOL. VOH Voltage output high: The maximum positive voltage from an output that the device considers is accepted as the minimum positive high level. VOL Voltage output low: The maximum positive voltage from an output that the device considers is accepted as the maximum positive low level. VOS Output offset voltage: VOS = (VOH + VOL) / 2. VOX (AC) AC differential output cross point voltage: the voltage at which the differential output signals must cross. VREF Reference voltage for the SSTL and HSTL I/O standards. VREF (AC) AC input reference voltage for the SSTL and HSTL I/O standards. VREF(AC) = VREF(DC) + noise. The peak-to-peak AC noise on VREF must not exceed 2% of VREF(DC). VREF (DC) DC input reference voltage for the SSTL and HSTL I/O standards. VSWING (AC) AC differential input voltage: AC input differential voltage required for switching. For the SSTL differential I/O standard, refer to Input Waveforms. VSWING (DC) DC differential input voltage: DC input differential voltage required for switching. For the SSTL differential I/O standard, refer to Input Waveforms. VTT Termination voltage for the SSTL and HSTL I/O standards. VX (AC) AC differential input cross point voltage: The voltage at which the differential input signals must cross. W —— X —— Y —— Z —— Table 1–46. Glossary (Part 5 of 5) Letter Term Definitions |
类似零件编号 - EP4CGX150 |
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类似说明 - EP4CGX150 |
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