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參數(shù)資料
| 型號： | MAX9220EUM |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | Programmable DC-Balance 21-Bit Deserializers |
| 中文描述： | QUAD LINE RECEIVER, PDSO48 |
| 封裝： | 6.10 MM, MO-153ED, TSSOP-48 |
| 文件頁數(shù)： | 7/18頁 |
| 文件大小： | 904K |
| 代理商： | MAX9220EUM |
M
Programmable DC-Balance
21-Bit Deserializers
_______________________________________________________________________________________
7
Detailed Description
The MAX9210/MAX9212/MAX9220 operate at a parallel
clock frequency of 8MHz to 34MHz in DC-balanced
mode and 10MHz to 40MHz in non-DC-balanced
mode. The MAX9214/MAX9216/MAX9222 operate at a
parallel clock frequency of 16MHz to 66MHz in DC-bal-
anced mode and 20MHz to 85MHz in non-DC-bal-
anced mode. The transition times of the single-ended
outputs are increased on the MAX9210/MAX9212/
MAX9220 for reduced EMI.
DC-balanced or non-DC-balanced operation is con-
trolled by the DCB/NC pin (see Table 1 for DCB/NC
default settings and operating modes). In non-DC-bal-
anced mode, each channel deserializes 7 bits every
cycle of the parallel clock. In DC-balanced mode, 9 bits
are deserialized every clock cycle (7 data bits + 2 DC-
balance bits). The highest data rate in DC-balanced
mode for the MAX9214, MAX9216, and MAX9222 is
66MHz x 9 = 594Mbps. In non-DC-balanced mode, the
maximum data rate is 85MHz x 7 = 595Mbps.
DC Balance
Data coding by the MAX9209/MAX9211/MAX9213/
MAX9215 serializers (which are companion devices to
the MAX9210/MAX9212/MAX9214/MAX9216/MAX9220/
MAX9222 deserializers) limits the imbalance of ones
and zeros transmitted on each channel. If +1 is assigned
to each binary 1 transmitted and -1 is assigned to each
binary 0 transmitted, the variation in the running sum of
assigned values is called the digital sum variation
(DSV). The maximum DSV for the data channels is 10.
At most, 10 more zeros than ones, or 10 more ones than
zeros, are transmitted. The maximum DSV for the clock
V
CC
- 0.3V
V
CC
RIN2
RIN1
RxIN_ + OR
RxCLK IN+
RxIN_ - OR
RxCLK IN-
RIN1
RIN1
RxIN_ + OR
RxCLK IN+
RxIN_ - OR
RxCLK IN-
RIN1
NON-DC-BALANCED MODE
DC-BALANCED MODE
1.2V
Figure 1. LVDS Input Circuits
Table 1. DC-Balance Programming
DEVICE
DCB/NC
OUTPUT STROBE
EDGE
OPERATING MODE
OPERATING
FREQUENCY (MHz)
High or open
Low
High
Low or open
High or open
Low
High
Low or open
High or open
Low
High or open
Low
DC balanced
Non-DC balanced
DC balanced
Non-DC balanced
DC balanced
Non-DC balanced
DC balanced
Non-DC balanced
DC balanced
Non-DC balanced
DC balanced
Non-DC balanced
8 to 34
10 to 40
8 to34
10 to 40
16 to 66
20 to 85
16 to 66
20 to 85
8 to 34
10 to 40
16 to 66
20 to 85
MAX9210
Rising
MAX9212
Rising
MAX9214
Rising
MAX9216
Rising
MAX9220
Falling
MAX9222
Falling
RCIP
RxCLK OUT
ODD RxOUT
EVEN RxOUT
RISING EDGE STROBE SHOWN.
Figure 2. Worst-Case Test Pattern
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX9222EUM | Programmable DC-Balance 21-Bit Deserializers |
| MAX9212ETM | Programmable DC-Balance 21-Bit Deserializers |
| MAX9214ETM | Programmable DC-Balance 21-Bit Deserializers |
| MAX9220ETM | Programmable DC-Balance 21-Bit Deserializers |
| MAX9222ETM | Programmable DC-Balance 21-Bit Deserializers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9220EUM/V+ | 功能描述:串行器/解串器 - Serdes Programmable DC-Bal 21-Bit Deserializer RoHS:否 制造商:Texas Instruments 類型:Deserializer 數(shù)據(jù)速率:1.485 Gbit/s 輸入類型:ECL/LVDS 輸出類型:LVCMOS 輸入端數(shù)量:1 輸出端數(shù)量:20 工作電源電壓:2.375 V to 2.625 V 工作溫度范圍:0 C to + 70 C 封裝 / 箱體:TQFP-64 |
| MAX9220EUM/V+T | 功能描述:串行器/解串器 - Serdes Programmable DC-Bal 21-Bit Deserializer RoHS:否 制造商:Texas Instruments 類型:Deserializer 數(shù)據(jù)速率:1.485 Gbit/s 輸入類型:ECL/LVDS 輸出類型:LVCMOS 輸入端數(shù)量:1 輸出端數(shù)量:20 工作電源電壓:2.375 V to 2.625 V 工作溫度范圍:0 C to + 70 C 封裝 / 箱體:TQFP-64 |
| MAX9220EUM+ | 功能描述:串行器/解串器 - Serdes DC-Balanced Deserializer RoHS:否 制造商:Texas Instruments 類型:Deserializer 數(shù)據(jù)速率:1.485 Gbit/s 輸入類型:ECL/LVDS 輸出類型:LVCMOS 輸入端數(shù)量:1 輸出端數(shù)量:20 工作電源電壓:2.375 V to 2.625 V 工作溫度范圍:0 C to + 70 C 封裝 / 箱體:TQFP-64 |
| MAX9220EUM+D | 功能描述:串行器/解串器 - Serdes DC-Balanced Deserializer RoHS:否 制造商:Texas Instruments 類型:Deserializer 數(shù)據(jù)速率:1.485 Gbit/s 輸入類型:ECL/LVDS 輸出類型:LVCMOS 輸入端數(shù)量:1 輸出端數(shù)量:20 工作電源電壓:2.375 V to 2.625 V 工作溫度范圍:0 C to + 70 C 封裝 / 箱體:TQFP-64 |
| MAX9220EUM+T | 功能描述:串行器/解串器 - Serdes DC-Balanced Deserializer RoHS:否 制造商:Texas Instruments 類型:Deserializer 數(shù)據(jù)速率:1.485 Gbit/s 輸入類型:ECL/LVDS 輸出類型:LVCMOS 輸入端數(shù)量:1 輸出端數(shù)量:20 工作電源電壓:2.375 V to 2.625 V 工作溫度范圍:0 C to + 70 C 封裝 / 箱體:TQFP-64 |
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