PDF DS92LV3242 Data sheet ( Hoja de datos )

Número de pieza	DS92LV3242
Descripción	(DS92LV3241 / DS92LV3242) 20-85 MHz 32-Bit Channel Link II Serializer/Deserializer
Fabricantes	National Semiconductor Corporation
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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 www.DataSheet4U.com TRI-STATE® is a registered trademark of National Semiconductor Corporation. © 2009 National Semiconductor Corporation 301036 www.national.com 1 page DS92LV3241 Pin Diagram www.DataSheet4U.com FIGURE 3. DS92LV3241 Pin Diagram— Top View 30103630 5 www.national.com 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 www.DataSheet4U.com 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 11 www.national.com 11 Page

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Hoja de datos destacado

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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