mpc8569e Freescale Semiconductor, Inc, mpc8569e Datasheet - Page 82

• Manufacturer Part Number: mpc8569e
• Description: Mpc8569e Powerquicc Iii Integrated Processor Hardware Specifications
• Manufacturer: Freescale Semiconductor, Inc

High-Speed SerDes Interfaces (HSSI)
2.9.2.4
The following table lists AC requirements for the PCI Express, SGMII, and Serial RapidIO SerDes reference clocks to be
guaranteed by the customer’s application design.
82
At recommended operating conditions with ScoreVDD = 1.0 V ± 3%. and 1.1 V ± 3%
SD_REF_CLK/SD_REF_CLK frequency range
SD_REF_CLK/SD_REF_CLK clock frequency
tolerance
SD_REF_CLK/SD_REF_CLK reference clock duty
cycle (measured at 1.6 V)
SD_REF_CLK/SD_REF_CLK max deterministic
peak-peak jitter at 10
SD_REF_CLK/SD_REF_CLK total reference clock
jitter at 10
SD_REF_CLK/SD_REF_CLK rising/falling edge rate
-6
BER (peak-to-peak jitter at refClk input)
AC Requirements for SerDes Reference Clocks
SD_REF_CLK
SD_REF_CLK
MPC8569E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 0
-6
Parameter
Table 47. SD_REF_CLK and SD_REF_CLK Input Clock Requirements
BER
Figure 42. Single-Ended Reference Clock Input DC Requirements
400 mV < SD_REF_CLK Input Amplitude < 800 mV
t
CLKRR/
t
t
CLK_DUTY
t
Symbol
CLK_REF
CLK_TOL
t
t
CLK_DJ
CLK_TJ
t
CLKFR
–350
Min
40
—
—
—
1
100/125
Typ
—
—
—
—
50
0 V
Max
350
42
86
—
60
4
Freescale Semiconductor
MHz
V/ns
Unit
ppm
ps
ps
%
Notes
2, 7
3, 7
—
1
7
7