参数资料
型号: EP4CGX30CF23C8N
厂商: Altera
文件页数: 15/42页
文件大小: 0K
描述: IC CYCLONE IV GX FPGA 30K 484FBG
产品培训模块: Cyclone IV FPGA Family Overview
特色产品: Cyclone? IV FPGAs
标准包装: 60
系列: CYCLONE® IV GX
LAB/CLB数: 1840
逻辑元件/单元数: 29440
RAM 位总计: 1105920
输入/输出数: 290
电源电压: 1.16 V ~ 1.24 V
安装类型: 表面贴装
工作温度: 0°C ~ 85°C
封装/外壳: 484-BGA
供应商设备封装: 484-FBGA(23x23)
1–22
Chapter 1: Cyclone IV Device Datasheet
Switching Characteristics
December 2013
Altera Corporation
Figure 1–4 shows the differential receiver input waveform.
Figure 1–5 shows the transmitter output waveform.
Table 1–22 lists the typical VOD for Tx term that equals 100 .
Figure 1–4. Receiver Input Waveform
Single-Ended Waveform
Differential Waveform
VID (diff peak-peak) = 2 x VID (single-ended)
Positive Channel (p)
Negative Channel (n)
Ground
VID
p
n = 0 V
VCM
Figure 1–5. Transmitter Output Waveform
Single-Ended Waveform
Differential Waveform
VOD (diff peak-peak) = 2 x VOD (single-ended)
Positive Channel (p)
Negative Channel (n)
Ground
VOD
p
n = 0 V
VCM
Table 1–22. Typical VOD Setting, Tx Term = 100
Symbol
VOD Setting (mV)
12
3
4 (1)
56
VOD differential peak
to peak typical (mV)
400
600
800
900
1000
1200
Note to Table 1–22:
(1) This setting is required for compliance with the PCIe protocol.
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