MPC8308VMAFDA Freescale Semiconductor, MPC8308VMAFDA Datasheet - Page 38

• Manufacturer Part Number: MPC8308VMAFDA
• Description: Microprocessors - MPU E300 MP PbFr 333
• Manufacturer: Freescale Semiconductor

Specifications of MPC8308VMAFDA

• Rohs: yes
• Processor Series: MPC8308
• Core: e300
• Maximum Clock Frequency: 333 MHz
• Interface Type: I2C, JTAG, UART
• Operating Supply Voltage: 0.95 V to 1.05 V
• Maximum Operating Temperature: 0 C to + 105 C
• Mounting Style: SMD/SMT
• Package / Case: MAPBGA-473

Unit interval
Differential peak-to-peak
output voltage
Minimum receiver eye width
Maximum time between the
jitter median and maximum
deviation from the median.
PCI Express
11.4.3
This table defines the specifications for the differential input at all receivers (RXs). The parameters are
specified at the component pins.
38
Parameter
Figure 27. Minimum Transmitter Timing and Voltage Output Compliance Specifications
Differential Receiver (RX) Input Specifications
MPC8308 PowerQUICC II Pro Processor Hardware Specification, Rev. 3
T
Table 35. Differential Receiver (RX) Input Specifications
RX-EYE-MEDIAN-to-
V
(D+ D– Crossing Point)
MAX-JITTER
Symbol
RX-DIFFp-p
T
RX-EYE
V
UI
TX-DIFF
= 0 mV
566 mV (3 dB) >= V
Each U
U
Spectrum Clock dictated variations.
V
The maximum interconnect media and
Transmitter jitter that can be tolerated
by the Receiver can be derived as
T
Jitter is defined as the measurement
variation of the crossing points
(V
recovered TX UI. A recovered TX UI is
calculated over 3500 consecutive unit
intervals of sample data. Jitter is
measured using all edges of the 250
consecutive UI in the center of the 3500
UI used for calculating the TX UI.
RX-MAX-JITTER
0.7 UI = UI – 0.3 UI(J
PEDPPRX
PERX
PEDPPRX
V
V
[De-emphasized Bit]
TX-DIFFp-p-MIN
TX-DIFFp-p-MIN
does not account for Spread
PERX
[Transition Bit]
[Transition Bit]
= 2*|V
= 0 V) in relation to a
TX-DIFFp-p-MIN
is 400 ps ± 300 ppm.
Comments
= 1 - U
RX-D+
= 800 mV
= 800 mV
TX-TOTAL-MAX
>= 505 mV (4 dB)
PEEWRX
- V
RX-D-
(D+ D– Crossing Point)
)
= 0.6 UI.
|
V
TX-DIFF
= 0 mV
399.88
0.175
Min
0.4
—
Typical
400
—
—
—
Freescale Semiconductor
400.12
1.200
Max
0.3
—
Units Note
ps
UI
UI
V
2, 3,
2, 3
1
2
7