参数资料
型号: EWIXP455ABT
厂商: INTEL CORP
元件分类: 微控制器/微处理器
英文描述: 266 MHz, RISC PROCESSOR, PBGA544
封装: LEAD FREE, PLASTIC, BGA-544
文件页数: 40/163页
文件大小: 1123K
代理商: EWIXP455ABT
Electrical Specifications
May 2005
Intel IXP45X and Intel IXP46X Product Line of Network Processors Datasheet
134
Document Number: 306261-002
Figure 22.
SMII Input Timings
Table 57.
SMII Input Timings Values
Symbol
Parameter
Min.
Max.
Units
Notes
T3
SMII_RXD setup time prior to rising edge of
SMII_CLK
1.5
ns
T4
SMII_RXD hold time after the rising edge of
SMII_CLK
1ns
Figure 23.
Source Synchronous SMII Output Timings
Table 58.
Source Synchronous SMII Output Timings Values
Symbol
Parameter
Min.
Max.
Units
Notes
T1
Clock to output delay for SMII_TXD[4:0] and
SMII_TXSYNC with respect to rising edge of
SMII_TXCLK
1.5
5
ns
T2
SMII_TXD[4:0] and SMII_TXSYNC hold time
after SMII_TXCLK.
1.5
ns
NOTES:
1. Timing was designed for a system load between 5pF and 15pF
SMII_CLK
SMII_INPUTS
T
3
T
4
SMII_TXCLK
SMII_OUTPUTS
T
1
T
2
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