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参数资料
| 型号： | QLX4300SIQT7 |
| 厂商： | Intersil |
| 文件页数： | 19/21页 |
| 文件大小： | 0K |
| 描述： | IC EQUALIZER REC 3.125GBPS 46QFN |
| 标准包装： | 1 |
| 系列： | QLx™ |
| 应用： | 数据传输 |
| 电源电压： | 1.1 V ~ 1.3 V |
| 封装/外壳： | 46-WFQFN 裸露焊盘 |
| 供应商设备封装： | 46-TQFN |
| 包装： | 标准包装 |
| 安装类型： | 表面贴装 |
| 其它名称： | QLX4300SIQT7-DKR QLX4300SIQT7-DKR-ND QLX4300SIQT7DKR |
7
FN6982.1
November 19, 2009
NOTES: (Continued)
10. During line silence, transmitter noise in excess of this voltage range may result in differential output amplitudes from the
QLx4300-S45 that are greater than 20mVP-P.
11. The data pattern preceding line silence mode is comprised of the PCIe electrical idle ordered set (EIOS). The data pattern
following line silence mode is comprised of the PCIe electrical idle exit sequence (EIES).
12. The data pattern preceding or following line silence mode is comprised of the SAS-2 ALIGN (0) sequence for OOB signaling
at 3.125Gb/s, and amplitude of 800mVP-P.
Serial Bus Timing Characteristics
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNITS
CLK Setup Time
tSCK
From the falling edge of ENB
10
ns
DI Setup Time
tSDI
Prior to the rising edge of CLK
10
ns
DI Hold Time
tHDI
From the rising edge of CLK
6
ns
ENB ‘HIGH’
tHEN
From the falling edge of the last data bit’s CLK
10
ns
Boost Setting Operational
tD
From ENB ‘HIGH’
10
ns
DO Hold Time
tCQ
From the rising edge of CLK to DO transition
12
ns
Clock Rate
fCLK
Reference clock for serial bus EQ programming
20
MHz
Typical Performance Characteristics
VDD = 1.2V, TA = +25°C, unless otherwise noted. Performance was characterized using the system testbed shown in
Figure 1. Unless otherwise noted, the transmitter generated a non-return-to-zero (NRZ) PRBS-7 sequence at 800mVP-P
(differential) with 10ps of peak-to-peak deterministic jitter. This transmit signal was launched into twin-axial cable test
channels of varying gauges and lengths. The loss characteristics of these test channels are plotted as a function of
frequency in Figure 2. The received signal at the output of these test channels was then processed by the QLx4300-S45
before being passed to a receiver. Eye diagram measurements were made with 4000 waveform acquisitions and include
random jitter.
FIGURE 1. DEVICE CHARACTERIZATION TEST SETUP
FIGURE 2. 26 AWG TWIN-AXIAL CABLE LOSS AS A FUNCTION OF FREQUENCY FOR VARIOUS TEST CHANNELS
Pattern
Generator
SMA
Adapter
Card
100O Twin-Axial
Cable
SMA
Adapter
Card
QLx4300-S45
Eval Board
Oscilloscope
Ω
TEST CHANNEL LOSS CHARACTERISTICS
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
01234
56
Frequency (GHz)
SD
D
2
1
(d
B
)
10m
15m
20m
25m
QLx4300-S45
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