KMPC8548EVTAUJC Freescale Semiconductor, KMPC8548EVTAUJC Datasheet - Page 74

• Manufacturer Part Number: KMPC8548EVTAUJC
• Manufacturer: Freescale Semiconductor

Specifications of KMPC8548EVTAUJC

• Lead Free Status / Rohs Status: Supplier Unconfirmed

PCI Express
74
V
T
RX-IDLE-DET-DIFFp-p
Z
RX-IDLE-DET-DIFF-
RX-HIGH-IMP-DC
Z
V
ENTERTIME
RL
RL
RX-DIFF-DC
RX-CM-ACp
Symbol
Z
RX-DIFF
RX-DC
RX-CM
MPC8548E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 7
Table 53. Differential Receiver (RX) Input Specifications (continued)
input impedance
detect threshold
Common mode
integration time
common mode
Powered down
DC differential
Electrical idle
electrical idle
input voltage
Unexpected
enter detect
Parameter
impedance
impedance
Differential
return loss
return loss
threshold
AC peak
DC input
DC input
200 k
Min
15
80
40
65
—
—
6
Nom
100
50
—
—
—
—
—
—
Max
150
120
175
60
10
—
—
—
Unit
mV
mV
ms
dB
dB
Ω
Ω
Ω
V
V
See Note 2.
Measured over 50 MHz to 1.25 GHz with the D+
and D– lines biased at +300 mV and –300 mV,
respectively. See Note 4.
Measured over 50 MHz to 1.25 GHz with the D+
and D– lines biased at 0 V. See Note 4.
RX DC differential mode impedance. See Note 5.
Required RX D+ as well as D– DC impedance
(50 ± 20% tolerance). See Notes 2 and 5.
Required RX D+ as well as D– DC impedance
when the receiver terminations do not have
power. See Note 6.
V
Measured at the package pins of the receiver
An unexpected electrical idle (V
V
longer than T
an unexpected idle condition.
RX-CM-ACp
RX-CM-DC
RX-IDLE-DET-DIFFp-p
RX-IDLE-DET-DIFFp-p
= DC
= |V
RX-IDLE-DET-DIFF-ENTERING
RXD+
(avg)
Comments
) must be recognized no
= 2 × |V
of |V
– V
Freescale Semiconductor
RXD-
RX-D+
RX-D+
|/2 + V
RX-DIFFp-p
+ V
–V
RX-D–
RX-CM-DC
RX-D–
to signal
| ÷ 2.
<
|.