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Número de pieza | DS92LV3241 | |
Descripción | (DS92LV3241 / DS92LV3242) 20-85 MHz 32-Bit Channel Link II Serializer/Deserializer | |
Fabricantes | National Semiconductor Corporation | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de DS92LV3241 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
No Preview Available ! DS92LV3241/DS92LV3242
September 17, 2009
20-85 MHz 32-Bit Channel Link II Serializer/Deserializer
General Description
The DS92LV3241 (SER) serializes a 32-bit data bus into 2 or
4 (selectable) embedded clock LVDS serial channels for a
data payload rate up to 2.72 Gbps over cables such as CATx,
or backplanes FR-4 traces. The companion DS92LV3242
(DES) deserializes the 2 or 4 LVDS serial data channels, de-
skews channel-to-channel delay variations and converts the
LVDS data stream back into a 32-bit LVCMOS parallel data
bus.
On-chip data Randomization/Scrambling and DC balance en-
coding and selectable serializer Pre-emphasis ensure a ro-
bust, low-EMI transmission over longer, lossy cables and
backplanes. The Deserializer automatically locks to incoming
data without an external reference clock or special sync pat-
terns, providing an easy “plug-and-lock” operation.
By embedding the clock in the data payload and including
signal conditioning functions, the Channel-Link II SerDes de-
vices reduce trace count, eliminate skew issues, simplify
design effort and lower cable/connector cost for a wide variety
of video, control and imaging applications. A built-in AT-
SPEED BIST feature validates link integrity and may be used
for system diagnostics.
Features
■ Wide Operating Range Embedded Clock SER/DES
— Up to 32-bit parallel LVCMOS data
— 20 to 85 MHz parallel clock
— Up to 2.72 Gbps application data paylod
■ Selectable Serial LVDS Bus Width
— Dual Lane Mode (20 to 50 MHz)
— Quad Lane Mode (40 to 85 MHz)
■ Simplified Clocking Architecture
— No separate serial clock line
— No reference clock required
— Receiver locks to random data
■ On-chip Signal Conditioning for Robust Serial
Connectivity
— Transmit Pre-Emphasis
— Data randomization
— DC-balance encoding
— Receive channel deskew
— Supports up to 10m CAT-5 at 2.7 Gbps
■ Integrated LVDS Terminations
■ Built-in AT-SPEED BIST for end-to-end system testing
■ AC-coupled interconnect for isolation and fault protection
■ > 4KV HBM ESD protection
■ Space-saving 64-pin TQFP package
■ Full industrial temperature range : -40° to +85°C
Applications
■ Industrial imaging (Machine-vision) and control
■ Security & Surveillance cameras and infrastructure
■ Medical imaging
■ Up to 30 bits per pixel, VGA to HD video transport and
display
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TRI-STATE® is a registered trademark of National Semiconductor Corporation.
© 2009 National Semiconductor Corporation 301036
www.national.com
1 page DS92LV3241 Pin Diagram
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FIGURE 3. DS92LV3241 Pin Diagram— Top View
30103630
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5 Page Symbol
Parameter
Conditions
Min Typ
SERIALIZER SUPPLY CURRENT (DVDD*, PVDD* AND AVDD* PINS) *DIGITAL, PLL, AND ANALOG VDDS
IDDTQ
Serializer (Tx) Total Supply Current
Quad Mode
(includes load current)
f = 85 MHz,
CHECKER BOARD pattern
MODE = H,
VSEL = H,
PRE = OFF
150
f = 85 MHz,
CHECKER BOARD pattern
MODE = H,
VSEL = H,
150
RPRE = 12 kΩ
f = 85 MHz,
RANDOM pattern
MODE = H,
VSEL = H,
PRE = OFF
140
f = 85 MHz,
RANDOM pattern
MODE = H,
VSEL = H,
140
RPRE = 12 kΩ
IDDTD
Serializer (Tx) Total Supply Current
Dual Mode
(includes load current)
f= 50 MHz,
CHECKER BOARD pattern
MODE = L,
VSEL = H,
PRE = OFF
120
f= 50 MHz,
CHECKER BOARD pattern
MODE = H,
VSEL = H,
120
RPRE = 12 kΩ
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f= 50 MHz,
RANDOM pattern
MODE = L,
VSEL = H,
PRE = OFF
115
f= 50 MHz,
RANDOM pattern
MODE = L,
VSEL = H,
115
RPRE = 12 kΩ
IDDTZ
Serializer Supply Current
Power-down
TPWDNB = 0V
(All other LVCMOS Inputs = 0V)
2
Max Units
200
200
mA
195
195
145
145
mA
135
135
50 µA
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11 Page |
Páginas | Total 30 Páginas | |
PDF Descargar | [ Datasheet DS92LV3241.PDF ] |
Número de pieza | Descripción | Fabricantes |
DS92LV3241 | DS92LV3241/3242 20-85 MHz 32-Bit Channel Link II Serializer / Deserializer (Rev. D) | Texas Instruments |
DS92LV3241 | (DS92LV3241 / DS92LV3242) 20-85 MHz 32-Bit Channel Link II Serializer/Deserializer | National Semiconductor Corporation |
DS92LV3242 | DS92LV3241/3242 20-85 MHz 32-Bit Channel Link II Serializer / Deserializer (Rev. D) | Texas Instruments |
DS92LV3242 | (DS92LV3241 / DS92LV3242) 20-85 MHz 32-Bit Channel Link II Serializer/Deserializer | National Semiconductor Corporation |
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