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參數(shù)資料
| 型號(hào)： | MAX9242 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 21-Bit Deserializers with Programmable Spread Spectrum and DC Balance |
| 中文描述： | 21位解串器，提供可編程頻譜擴(kuò)展和直流平衡 |
| 文件頁數(shù)： | 1/22頁 |
| 文件大?。?/td> | 306K |
| 代理商： | MAX9242 |
General Description
The MAX9242/MAX9244/MAX9246/MAX9254 deserialize
three LVDS serial-data inputs into 21 single-ended LVC-
MOS/ LVTTL outputs. A separate parallel-rate LVDS clock
provides the timing for deserialization. The MAX9242/
MAX9244/MAX9246/MAX9254 feature spread-spectrum
capability, allowing the output data and clock frequency
to spread over a specified range to reduce EMI. The sin-
gle-ended data and clock outputs are programmable for
a frequency spread of ±2%, ±4%, or no spread. The
spread-spectrum function is also available when the
MAX9242/MAX9244/MAX9246/MAX9254 operate in non-
DC-balanced mode. The modulation rate of the spread is
32kHz for a 33MHz LVDS clock input and scales linearly
with frequency. The single-ended outputs have a sepa-
rate supply, allowing +1.8V to +5V output logic levels.
The MAX9254 features high output drive current for both
data and clock outputs for faster transition times in the
presence of heavy capacitive loads.
The MAX9242/MAX9244/MAX9246/MAX9254 feature pro-
gram-mable DC balance, allowing isolation between a
serializer and deserializer using AC-coupling. The
MAX9242/MAX9244/MAX9246/MAX9254 operate with the
MAX9209/MAX9213 serializers and are available with a
rising-edge strobe (MAX9242) or falling-edge strobe
(MAX9244/MAX9246/MAX9254). The LVDS inputs meet
ISO 10605 ESD specifications with ±30kV Air-Gap
Discharge and ±6kV Contact Discharge ratings.
Applications
Automotive Navigation Systems
Automotive DVD Entertainment Systems
Digital Copiers
Laser Printers
Features
Programmable ±4%, ±2%, or OFF Spread-Spectrum
Output for Reduced EMI
Programmable DC-Balanced or Non-DC-Balanced
Modes
DC Balance Allows AC-Coupling for Wider Input
Common-Mode Voltage Range
Spread Spectrum Operates in DC-Balanced or
Non-DC-Balanced Mode
High Output Drive (MAX9254)
π
/ 4 Deskew by Oversampling
(MAX9242/MAX9244/MAX9254)
16MHz-to-34MHz (DC-Balanced) and 20MHz-to-
40MHz (Non-DC-Balanced) Operation
(MAX9242/MAX9244/MAX9254)
6MHz-to-18MHz (DC-Balanced) and 8MHz-to-20MHz
(Non-DC-Balanced) Operation (MAX9246)
Rising-Edge (MAX9242) or Falling-Edge
(MAX9244/MAX9246/MAX9254) Output Strobe
High-Impedance Outputs when
PWRDWN
is Low
Allow Output Busing
Separate Output Supply Allows Interface to +1.8V,
+2.5V, +3.3V, and +5V Logic
LVDS Inputs Meet ISO 10605 ESD Protection at
±30kV Air-Gap Discharge and ±6kV Contact
Discharge
LVDS Inputs Meet IEC 61000-4-2 Level 4 ESD
Protection at ±15kV Air-Gap Discharge and ±8kV
Contact Discharge
LVDS Inputs Conform to ANSI TIA/EIA-644 Standard
+3.3V Main Power Supply
M
21-Bit Deserializers with Programmable
Spread Spectrum and DC Balance
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1
Ordering Information
19-3954; Rev 2; 6/07
PART
TEMP RANGE
PIN-PACKAGE
PKG
CODE
U48-1
U48-1
U48-1
U48-1
U48-1
U48-1
U48-1
MAX9242
EUM
M AX 9242G U M -40°C to +105°C
MAX9244
EUM
M AX 9244G U M -40°C to +105°C
MAX9246
EUM
M AX 9246G U M -40°C to +105°C
MAX9254
EUM
Devices are available in lead-free packaging. Specify lead free
by adding a
+
symbol at the end of the part number when
ordering.
-40°C to +85°C
48 TSSOP
48 TSSOP
48 TSSOP
48 TSSOP
48 TSSOP
48 TSSOP
48 TSSOP
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
Selector Guide
FREQUENCY RANGE
PART
STROBE
EDGE
OVER-
SAMPLING
NON-DC
BALANCE
(MHz)
DC
BALANCE
(MHz)
MAX9242
MAX9244
MAX9246
MAX9254
Rising
Falling
Falling
Falling
Yes
Yes
No
Yes
20 to 40
20 to 40
8 to 20
20 to 40
16 to 34
16 to 34
6 to 18
16 to 34
Pin Configuration appears at end of data sheet.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX9244EUM | 21-Bit Deserializers with Programmable Spread Spectrum and DC Balance |
| MAX9242_07 | 21-Bit Deserializers with Programmable Spread Spectrum and DC Balance |
| MAX9242EUM | 21-Bit Deserializers with Programmable Spread Spectrum and DC Balance |
| MAX9242GUM | 21-Bit Deserializers with Programmable Spread Spectrum and DC Balance |
| MAX9244GUM | 21-Bit Deserializers with Programmable Spread Spectrum and DC Balance |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9242_07 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:21-Bit Deserializers with Programmable Spread Spectrum and DC Balance |
| MAX9242_09 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:21-Bit Deserializers with Programmable Spread Spectrum and DC Balance |
| MAX9242EUM | 功能描述:LVDS 接口集成電路 RoHS:否 制造商:Texas Instruments 激勵(lì)器數(shù)量:4 接收機(jī)數(shù)量:4 數(shù)據(jù)速率:155.5 Mbps 工作電源電壓:5 V 最大功率耗散:1025 mW 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-16 Narrow 封裝:Reel |
| MAX9242EUM/V+ | 功能描述:串行器/解串器 - Serdes 21-Bit DC-Balanced LVDS 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 |
| MAX9242EUM/V+T | 功能描述:串行器/解串器 - Serdes 21-Bit DC-Balanced LVDS 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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