参数资料
型号: MPC8314VRAGDA
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: MICROPROCESSOR, PBGA620
封装: 29 X 29 MM, LEAD FREE, PLASTIC, TEPBGA-620
文件页数: 67/106页
文件大小: 1253K
代理商: MPC8314VRAGDA
MPC8314E PowerQUICC II Pro Processor Hardware Specifications, Rev. 0
Freescale Semiconductor
63
PCI Express
Minimum time spent in
electrical idle
TTX-IDLE-MIN
Minimum time a Transmitter
must be in Electrical Idle
Utilized by the Receiver to
start looking for an Electrical
Idle Exit after successfully
receiving an Electrical Idle
ordered set
50
——UI
Maximum time to
transition to a valid
electrical idle after
sending an electrical idle
ordered set
TTX-IDLE-SET-TO-IDLE After sending an Electrical
Idle ordered set, the
Transmitter must meet all
Electrical Idle Specifications
within this time. This is
considered a debounce time
for the Transmitter to meet
Electrical Idle after
transitioning from L0.
——
20
UI
Maximum time to
transition to valid TX
specifications after leaving
an electrical idle condition
TTX-IDLE-TO-DIFF-DATA Maximum time to meet all TX
specifications when
transitioning from Electrical
Idle to sending differential
data. This is considered a
debounce time for the TX to
meet all TX specifications
after leaving Electrical Idle
——
20
UI
Differential return loss
RLTX-DIFF
Measured over 50 MHz to
1.25 GHz.
12
dB
4
Common mode return
loss
RLTX-CM
Measured over 50 MHz to
1.25 GHz.
6—
dB
4
DC differential TX
impedance
ZTX-DIFF-DC
TX DC Differential mode Low
Impedance
80
100
120
Ω
Transmitter DC
impedance
ZTX-DC
Required TX D+ as well as D-
DC Impedance during all
states
40
Ω
Lane-to-Lane output skew
LTX-SKEW
Static skew between any two
Transmitter Lanes within a
single Link
500 + 2
UI
ps
AC coupling capacitor
CTX
All Transmitters shall be AC
coupled. The AC coupling is
required either within the
media or within the
transmitting component itself.
75
200
nF
8
Table 54. Differential Transmitter (TX) Output Specifications (continued)
Parameter
Symbol
Comments
Min
Typical
Max
Units
Notes
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