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參數(shù)資料
| 型號(hào)： | PI2EQX4432DZDEX |
| 廠商： | Pericom |
| 文件頁(yè)數(shù)： | 3/6頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC PCI-E REPEATER/EQUALR 48TQFN |
| 標(biāo)準(zhǔn)包裝： | 3,000 |
| 系列： | * |
3
PS8888A
04/26/07
PI2EQX4432D
2.5Gbps x2 Lane PCI Express Repeater / Equalizer
with Signal Detect and Flow-through Pinout
AC/DC Electrical Characteristics (VDD = 1.8 ±0.1V)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
Ps
Supply Power
All Enables = LVCMOS High
0.1
W
All Enables = LVCMOS Low
0.6
Latency
From input to output
2.0
ns
CML Receiver Input
RLRX
Return Loss
50 MHz to 1.25 GHz
12
dB
VRX-DIFFP-P
Differential Input Peak-to-
peak Voltage
0.175
1.200
V
VRX-CM-ACP
AC Peak Common Mode
Input Voltage
150
mV
VTH-
Signal Detect Threshold
EN_x = High
120
175
mV
ZRX-DIFF-DC
DC Differential Input
Impedance
80
100
120
Ω
ZRX-DC
DC Input Impedance
40
50
60
Equalization
JRS
Residual Jitter(1,2)
Total Jitter
0.3
Ulp-p
Deterministic jitter
0.2
JRM
Random Jitter(1,2)
1.5
psrms
Storage Temperature........................................................ –65°C to +150°C
Supply Voltage to Ground Potential................................... –0.5V to +2.5V
DC SIG Voltage..........................................................–0.5V to VDD +0.5V
Current Output ................................................................-25mA to +25mA
Power Dissipation Continous ......................................................... 800mW
Operating Temperature.............................................................. 0 to +70°C
Note:
Stresses greater than those listed under MAXIMUM RAT-
INGS may cause permanent damage to the device. This is
a stress rating only and functional operation of the device
at these or any other conditions above those indicated in
the operational sections of this specication is not implied.
Exposure to absolute maximum rating conditions for ex-
tended periods may affect reliability.
Maximum Ratings
(Above which useful life may be impaired. For user guidelines, not tested.)
Output Swing Control
SEL–OL_[A:D]
Output Swing
01x
1
1.2x
Equalizer Selection
SELEQ_[A:D]
Compliance Channel
0
[0:2.5dB] @ 1.25 GHz
1
[0:6.5dB] @ 1.25 GHz
Output De-emphasis Adjustment
SELDE_[A:D]
De-emphasis
0
0dB
1
–3.5dB
24
IREF
I
Connect to 475-Ohm resistor to ground when the reference clock is used. Otherwise
do not connect.
3, 6, 9, 12, 28, 31,
34, 37, 48
VDD
PWR
1.8V Supply Voltage
25, Center Pad
GND
PWR
Supply Ground, Center pad must be connected
Notes
1.
K28.7 pattern is applied differentially at point A as shown in Figure 1.
2.
Total jitter does not include the signal source jitter. Total jitter (TJ) = (14.1 × RJ + DJ) where RJ is random RMS jitter and DJ is maximum
deterministic jitter. Signal source is a K28.5 ± pattern (00 1111 1010 11 0000 0101) for the deterministic jitter test and K28.7 (0011111000) or
equivalent for random jitter test. Residual jitter is that which remains after equalizing media-induced losses of the environment of Figure 1 or
its equivalent. The deterministic jitter at point B must be from media-induced loss, and not from clock source modulation. Jitter is measured at
0V at point C of Figure 1.
07-0106
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