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ML6695CQ 参数 Datasheet PDF下载

ML6695CQ图片预览
型号: ML6695CQ
PDF下载: 下载PDF文件 查看货源
内容描述: 100BASE -X光纤物理层5 - bit接口 [100BASE-X Fiber Physical Layer With 5-bit Interface]
分类和应用: 光纤
文件页数/大小: 8 页 / 219 K
品牌: MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
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December 1998
PRELIMINARY
ML6695
100BASE-X Fiber Physical Layer With 5-bit Interface
GENERAL DESCRIPTION
The ML6695 implements the physical layer of the Fast
Ethernet 100BASE-X standard for fiber media. The device
provides the 5-bit (or symbol) interface for interface to
upper-layer silicon. The ML6695 integrates the data
quantizer and the LED driver, allowing the use of low cost
optical PMD components.
The ML6695 includes 125MHz clock recovery/clock
generation, an LED driver, and a data quantizer (post
amplifier). The device also offers a power down mode
which results in total power consumption of less than 20mA.
The ML6695 is suitable for the current 100BASE-FX IEEE
803.2u standard defined using 1300nm optics, as well as
for the
proposed
100BASE-SX standard defined using lower
cost 820nm optics.
FEATURES
s
s
s
s
s
s
100BASE-FX physical layer with 5-bit interface
Optimal 100BASE-SX solution (draft standard)
Integrated data quantizer (post-amplifier)
Integrated LED driver
125MHz clock generation and recovery
Power-down mode
BLOCK DIAGRAM
LPBK
TXC
CLOCK
SYNTHESIZER
PWRDN
IOUT
TSM4
TSM3
TSM2
TSM1
TSM0
SERIALIZER
NRZ TO NRZI
ENCODER
LED
DRIVER
IOUT
RTSET
SDO
SIGNAL
DETECT
RXC
RSM4
RSM3
RSM2
RSM1
RSM0
DESERIALIZER
CLOCK & DATA
RECOVERY
NRZI TO NRZ
DECODER
DATA QUANTIZER
(POST AMPLIFIER)
VIN–
VIN+
CAPB
CAPDC
1