仅对英特尔可见 — GUID: mcn1441781431631
Ixiasoft
高速I/O规范
符号 | 条件 | –E1V, –I1V | –E2V, –E2L, –I2L, –I2V | –E3V, –E3X, –I3X, –I3V | Unit | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Min | Typ | Max | Min | Typ | Max | Min | Typ | Max | ||||
fHSCLK_in (input clock frequency) True Differential I/O Standards | Clock boost factor W = 1 to 40 58 | 10 | — | 800 | 10 | — | 700 | 10 | — | 625 | MHz | |
fHSCLK_in (input clock frequency) Single-Ended I/O Standards | Clock boost factor W = 1 to 40 58 | 10 | — | 625 | 10 | — | 625 | 10 | — | 525 | MHz | |
fHSCLK_OUT (output clock frequency) | — | — | — | 800 59 | — | — | 700 59 | — | — | 625 59 | MHz | |
Transmitter | True Differential I/O Standards - fHSDR (data rate) 60 | SERDES factor J = 4 to 10 61 63 62 | 63 | — | 1,600 | 63 | — | 1,434 | 63 | — | 1,250 | Mbps |
SERDES factor J = 3 61 63 62 | 63 | — | 1,000 | 63 | — | 1,000 | 63 | — | 938 | Mbps | ||
SERDES factor J = 2, uses DDR registers | 63 | — | 840 64 | 63 | — | 64 | 63 | — | 64 | Mbps | ||
SERDES factor J = 1, uses DDR registers | 63 | — | 420 64 | 63 | — | 64 | 63 | — | 64 | Mbps | ||
tx Jitter - True Differential I/O Standards | Total jitter for data rate, 600 Mbps – 1.6 Gbps | — | — | 160 | — | — | 200 | — | — | 250 | ps | |
Total jitter for data rate, < 600 Mbps | — | — | 0.1 | — | — | 0.12 | — | — | 0.15 | UI | ||
tDUTY 65 | TX output clock duty cycle for Differential I/O Standards | 45 | 50 | 55 | 45 | 50 | 55 | 45 | 50 | 55 | % | |
tRISE & tFALL 62 66 | True Differential I/O Standards | — | — | 160 | — | — | 180 | — | — | 200 | ps | |
TCCS 65 60 | True Differential I/O Standards | — | — | 330 | — | — | 330 | — | — | 330 | ps | |
Receiver | True Differential I/O Standards - fHSDRDPA (data rate) | SERDES factor J = 4 to 10 61 63 62 | 150 | — | 1,600 | 150 | — | 1,434 | 150 | — | 1,250 | Mbps |
SERDES factor J = 3 61 63 62 | 150 | — | 1,000 | 150 | — | 1,000 | 150 | — | 938 | Mbps | ||
fHSDR (data rate) (without DPA) 60 | SERDES factor J = 3 to 10 | 63 | — | 67 | 63 | — | 67 | 63 | — | 67 | Mbps | |
SERDES factor J = 2, uses DDR registers | 63 | — | 64 | 63 | — | 64 | 63 | — | 64 | Mbps | ||
SERDES factor J = 1, uses DDR registers | 63 | — | 64 | 63 | — | 64 | 63 | — | 64 | Mbps | ||
DPA (FIFO mode) | DPA run length | — | — | — | 10,000 | — | — | 10,000 | — | — | 10,000 | UI |
DPA (soft CDR mode) | DPA run length | SGMII/GbE protocol | — | — | 5 | — | — | 5 | — | — | 5 | UI |
All other protocols | — | — | 50 data transition per 208 UI | — | — | 50 data transition per 208 UI | — | — | 50 data transition per 208 UI | — | ||
Soft CDR mode | Soft-CDR ppm tolerance | — | –300 | — | 300 | –300 | — | 300 | –300 | — | 300 | ppm |
Non DPA mode | Sampling Window | — | — | — | 330 | — | — | 330 | — | — | 330 | ps |
58 时钟放大因子(W)是输入数据速率和输入时钟速率之间的比率。
59 通过使用PHY时钟网络实现。
60 需要通过PCB走线长度进行封装偏移补偿。
61 Fmax规范基于用于串行数据的快速时钟。接口Fmax也取决于依赖于设计并要求时序分析的并行时钟域。
62 VCC和VCCP必须在一个组合的电源层上,并且芯片到芯片接口的最大负载是5 pF。
63 最小规范取决于您使用的时钟源 (例如PLL和时钟管脚)和时钟布线资源 (全局,局部和本地)。I/O差分缓存和串化器没有最小翻转率。
64 最大理想数据速率是SERDES因子(J) x PLL最大输出频率(fOUT),使您能够收敛设计的时序和信号完整性,从而满足接口的要求。
65 不适用于DIVCLK = 1。
66 仅应用于默认的预加重和VOD设置。
67 通过执行链路时序收敛分析能够评估非DPA模式的可实现最大数据速率。您必须考虑电路板偏移裕量,发送器延迟裕量以及接收器采样裕量以决定支持的最大数据速率。