LVDS Interface ICs 4bit LVDS Transceiver No.09057EAT01 BU90LV049A ●Description LVDS Interface IC of ROHM "Serializer" "Deserializer" operate from 8MHz to 150MHz wide clock range, and number of bits range is from 35 to 70. Data is transmitted seven times (7X) stream and reduce cable number by 3(1/3) or less. The ROHM's LVDS has low swing mode to be able to expect further low EMI. Driver and Receiver of 4 bits operate to 250MHz. It can be used for a variety of purposes, home appliances such as LCD-TV, business machines such as decoders, instruments, and medical equipment. ●Features 1) >500 Mbps (250 MHz) switching rates 2) Flow-through pinout simplifies PCB layout. 3) 400 ps typical driver channel-to-channel skew 4) 150 ps typical receiver channel-to-channel skew 5) 3.3V single power supply design 6) ±200mV and ±350mV selectable differential signaling (driver) 7) 6mA and 8mA selectable output drive strength (receiver) 8) 3-STATE output control 9) Internal fail-safe biasing of receiver inputs 10) High impedance on LVDS outputs on power down 11) Conforms to TIA/EIA-644-A LVDS Standard 12) Industrial operating temperature range (-40℃ to +85℃) ●Applications Car Navigation System Copier Digital TV (Signal System) FA equipment Medical equipment Vending machine, Ticket vending machine ●Precaution ■This chip is not designed to protect from radioactivity. www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 1/13 2009.05 - Rev.A Technical Note BU90LV049A ●Absolute maximum ratings Value Unit Item Symbol Supply voltage VCC -0.3 4.0 V Input voltage Output voltage Storage temperature range VIN VOUT Tstg -0.3 -0.3 -55 VCC+0.3 VCC+0.3 150 V V ℃ ●Package Power Package SSOP-B16 Min. Max. PD(mW) DERATING(mW/℃) ※1 400 4.0 450*2 4.5*2 ※1 At temperature Ta > 25℃ ※2 Package power when mounting on the PCB board. The size of PCB board The material of PCB board :70×70×1.6（mm3） :The FR4 glass epoxy board.(3% or less copper foil area) ●Operating conditions Min. Value Typ. Max. VCC 3.0 3.3 3.6 V Topr -40 25 85 ℃ Item Symbol Supply voltage Operating temperature range www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 2/13 Unit Condition 2009.05 - Rev.A Technical Note BU90LV049A ●Electrical characteristics Symbol Parameter Conditions Pin Min Typ Max Units VCC×0.8 - VCC V GND - VCC×0.2 V -10 - +10 μA -1.5 -0.8 - V 250 350 450 mV 120 200 300 mV - 1 35 |mV| 1.125 1.25 1.375 V - 1 25 |mV| LVCMOS Input DC Specification (Driver Inputs, ENABLE Pins) VIH VIL II VCL Input High Voltage Input Low Voltage Input Current VIN = 0V or VCC Input Clamp Voltage VCL = -18mA DIN EN SL LVDS Output DC Specification (Driver Output) |VOD1| Differential Output Voltage SL= GND, RL = 100Ω (Figure 4) |VOD2| Differential Output Voltage SL= VCC , RL = 100Ω (Figure 4) △VOD Change in Magnitude of VOD for Complementary Output States VOS △VOS Offset Voltage Change in Magnitude of Vos for Complementary Output States DOUTDOUT+ SL = VCC or GND, RL = 100Ω (Figure 4) IOS Output Short Circuit Current ENABLED, DIN = VCC, DOUT+ = 0V or DIN = GND, DOUT- = 0V - -5.4 -9.0 mA IOSD Differential Output Short Circuit Current ENABLED, VOD = 0V - -5.4 -9.0 mA IOZ Output 3-STATE Current EN = 0V and SL = VCC VOUT = 0V or VCC -10 1 +10 μA - - 100 mV -100 - - mV 0.1 - 2.3 V -20 - +20 μA - - V - - - - 0.4 - - 0.4 -10 1 +10 μA - 12 2 - mA mA LVDS Input DC Specification (Receiver Inputs) VTH Differential Input High Threshold VTL Differential Input Low Threshold VCMR Common-Mode Voltage Range VCM = 1.2V, 0.05V, 2.35V RIN+ RIN- VID = 200mV pk to pk IIN Input Current VIN = 0 or Vcc LVCMOS Output DC Specification (Receiver Outputs) IOH = −8 mA, VID = +200 mV, VOH1 Output High Voltage SL=GND IOH = −6 mA, VID = +200 mV, VOH2 Output High Voltage VOL1 Output Low Voltage VOL2 Output Low Voltage IOZ Output 3-STATE Current VCC0.4 VCC0.4 SL = VCC IOL = 8 mA, VID = −200 mV, SL=GND IOL = 6 mA, VID = −200 mV, ROUT SL = VCC Disabled, VOUT = 0V or VCC V General DC Specifications ICC ICCZ Power Supply Current TRI-State Supply Current www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. EN = Vcc and SL = 0V EN = 0V and SL = 0V 3/13 VCC 2009.05 - Rev.A Technical Note BU90LV049A ●Switching Characteristics Symbol Parameter Conditions Min Typ Max Units LVDS Outputs (Driver Outputs) tPHLD Differential Propagation Delay High to Low RL = 100Ω, CL = 15pF 0.5 1.7 2.8 ns tPLHD Differential Propagation Delay Low to High (Figure 5 and Figure 6) 0.5 1.7 2.8 ns tSKD1 Differential Pulse Skew |tPHLD – tPLHD| 0 0.3 0.4 ns tSKD2 Differential Channel-to-Channel Skew 0 0.4 0.5 ns tSKD3 Differential Part to Part Skew 0 - 1.0 ns tTLH Rise Time - 0.5 1.5 ns tTHL Fall Time - 0.5 1.5 ns tPHZ Disable Time High to Z RL = 100Ω, CL = 15pF - 2 5 ns tPLZ Disable Time Low to Z (Figure 7 and Figure8) - 2 5 ns tPZH Enable Time Z to High - 3 7 ns tPZL Enable Time Z to Low - 3 7 ns fMax Maximum Operating Frequency 250 - - MHz LVCMOS Outputs (Receiver Outputs) tPHL Propagation Delay High to Low CL = 15pF VID = 200mV 1.2 2.0 3.7 ns tPLH Propagation Delay Low to High (Figure 9 and Figure 10) 1.2 1.9 3.7 ns tSK1 Pulse Skew |tPHLD – tPLHD| 0 0.1 0.4 ns tSK2 Channel-to-Channel Skew 0 0.15 0.5 ns tSK3 Part to Part Skew - - 1.0 ns tTLH Rise Time - 0.5 1.5 ns tTHL Fall Time - 0.5 1.5 ns tPHZ Disable Time High to Z RL = 2kΩ - 8 14 ns tPLZ Disable Time Low to Z CL = 15pF - 8 14 ns tPZH Enable Time Z to High (Figure 11 and Figure 12) - 3 14 ns tPZL Enable Time Z to Low - 9 14 ns fMax Maximum Operating Frequency 250 - - MHz www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 4/13 2009.05 - Rev.A Technical Note BU90LV049A ●Block diagram SL R IN 1 R1 ROUT1 R2 ROUT2 D2 D IN 2 D1 D IN 1 R IN 1 + R IN 2 + R IN 2 - D O UT2D O UT2+ D O UT1+ D O UT1- EN Figure 1. www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. Block Diagram 5/13 2009.05 - Rev.A Technical Note BU90LV049A ●SSOP-B16 Package Outline and Specification Product No. 5.0±0.2 16 9 6.4±0.3 4.4±0.2 LV49A 0.3MIN Lot No. 8 1 0.15±0.1 0.10 1.15±0.1 1PIN MARK 0.65 0.10 0.22±0.1 （UNIT : mm） Figure 2. www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. SSOP-B16 Package Outline and Specification 6/13 2009.05 - Rev.A Technical Note BU90LV049A ●Pin Configuration RIN1- 1 16 EN RIN1+ 2 15 ROUT1 RIN2+ 3 14 ROUT2 RIN2- 4 13 GND DOUT2- 5 12 VCC DOUT2+ 6 11 DIN2 DOUT1+ 7 10 DIN1 DOUT1- 8 9 SL Figure 3. Pin Diagram (Top View) ●Pin Description Table 1 : Pin Description Pin Name Pin No. Type DIN 10, 11 LVCMOS In DOUT+ 6, 7 LVDS Out Non-inverting driver output pin, LVDS levels. DOUT- 5, 8 LVDS Out Inverting driver output pin, LVDS levels. RIN+ 2, 3 LVDS In Non-inverting receiver input pin, LVDS levels. RIN- 1, 4 LVDS In Inverting receiver input pin, LVDS levels. ROUT 14, 15 LVCMOS Out SL 9 LVCMOS In EN 16 LVCMOS In VCC 12 Power GND 13 GND www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. Descriptions Driver input pin, LVCMOS levels. Receiver output pin, LVCMOS levels. Drive strength and Swing Level select pin : When SL is low or open, Rout set 8mA mode and the driver is normal swing level (350mV). When SL is high, Rout set 6mA mode and the driver is reduce swing level (200mV). Enable pin: When EN is Low or open, the receiver and driver are disabled. When EN is high, the receiver and driver are enabled. Power supply pin, +3.3V±0.3V. Ground pin. 7/13 2009.05 - Rev.A Technical Note BU90LV049A ●Function Description ■Driver Truth Table EN SL H L or Open H H All other combinations of EN, SL inputs INPUT DIN L H L H OUTPUTS DOUT+ DOUTL H H L L H H L X Z Swing Level 350mV 200mV Z ■Receiver Truth Table EN H H SL L or Open H All other combinations of EN, SL inputs www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. INPUT RIN+ − RIN− OUTPUTS ROUT VID 0V VID −0.1V Full Fail-safe OPEN/SHORT or Terminated VID 0V VID −0.1V Full Fail-safe OPEN/SHORT or Terminated H L X Drive Strength 8mA H H L 6mA H Z 8/13 2009.05 - Rev.A Technical Note BU90LV049A ●Parameter Measurement Information DOUT+ RL/2 Vcc DIN GND VOS D S1 VOD RL/2 Driver ENABLED Figure 4. DOUT- Driver VOD and VOS Test Circuit CL DOUT+ DIN Generator D RL 50Ω DOUTDriver ENABLED CL Figure 5. Driver Propagation Delay and Transition Time Test Circuit 3V DIN 1.5V 1.5V 0V ｔPLHD ｔPHLD VOH DOUT0V（Differential) 0V DOUT+ VOL 80％ VDIFF 80％ 0V VDIFF = DOUT+ - DOUT- 0V 20％ 20％ ｔTLH Figure 6. ｔTHL Driver Propagation Delay and Transition Time Waveforms www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 9/13 2009.05 - Rev.A Technical Note BU90LV049A CL DOUT+ VCC 50 O DIN D GND +1.2V 50 O DOUTCL EN Generator 50 O 1/ 4 BU90LV049A ( Driver) Figure 7. Driver 3-STATE Delay Test Circuit 3V EN WHEN SL = L or Open 1.5V 1.5V 0V ｔPHZ ｔPZH VOH DOUT+ WHEN DIN = Vcc DOUT- WHEN DIN = GND 50％ 50％ 1.2V 1.2V DOUT+ WHEN DIN = GND DOUT- WHEN DIN = Vcc 50％ VOL ｔPLZ Figure 8. www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 50％ ｔPZL Driver 3-STATE Delay Waveform 10/13 2009.05 - Rev.A Technical Note BU90LV049A RIN+ Generator ROUT R RIN- CL 50Ω Figure 9. 50Ω Receiver ENABLED Receiver Propagation Delay and Transition Time Test Circuit +1.3V RIN0V Differential VID = 200mV +1.2V RIN+ +1.1V ｔPLHD ｔPHLD ROUT 80％ 80％ 1.5V 1.5V VOH 20％ 20％ ｔTLH Figure 10. VOL ｔTHL Receiver Propagation Delay and Transition Time Waveforms VCC RIN+ EN RIN- Generator 50 O S1 RL DEVICE UNDER TEST ROUT CL 1/ 4 BU90LV049A ( Receiver) Figure 11. www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. Receiver 3-STATE Delay Test Circuit 11/13 2009.05 - Rev.A Technical Note BU90LV049A 3V EN WHEN SL = L or Open 1.5V 1.5V ｔPLZ 0V ｔPZL VCC 50％ OUTPUT WHEN VID = -100mV 0.5V VOL ｔPHZ ｔPZH VOH 0.5V OUTPUT WHEN VID = +100mV 50％ GND Figure12. Receiver 3-STATE Delay Waveforms ●Typical Application ENABLE LVDS Receiver DATA INPUT DATA OUTPUT 100Ω RT LVDS Driver Figure 13. Point-to-Point Application 3V DIN 0V VOH DOUTSINGLE-ENDED DOUT+ DOUT+ - DOUTDIFFERENTIAL OUTPUT ｜VOD｜ VOS (1.25V typical) VOL +VOD 0V(DIFF.) Figure 14. www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 0V +VSS -VOD Driver Output Levels 12/13 2009.05 - Rev.A Technical Note BU90LV049A ●Ordering part number B U 9 Part No. 0 L V 0 4 9 A Part No. - E 2 Packaging and forming specification E2: Embossed tape and reel SSOP-B16 <Tape and Reel information> 5.0±0.2 9 0.3Min. 4.4±0.2 6.4±0.3 16 1 Tape Embossed carrier tape Quantity 2500pcs Direction of feed E2 The direction is the 1pin of product is at the upper left when you hold ( reel on the left hand and you pull out the tape on the right hand ) 8 0.10 1.15±0.1 0.15±0.1 0.1 0.65 1pin 0.22±0.1 (Unit : mm) www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. Reel 13/13 Direction of feed ∗ Order quantity needs to be multiple of the minimum quantity. 2009.05 - Rev.A Notice Notes No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose of introducing ROHM's products (hereinafter "Products"). If you wish to use any such Product, please be sure to refer to the specifications, which can be obtained from ROHM upon request. Examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the Products. The peripheral conditions must be taken into account when designing circuits for mass production. Great care was taken in ensuring the accuracy of the information specified in this document. However, should you incur any damage arising from any inaccuracy or misprint of such information, ROHM shall bear no responsibility for such damage. The technical information specified herein is intended only to show the typical functions of and examples of application circuits for the Products. ROHM does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by ROHM and other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. The Products specified in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, office-automation equipment, communication devices, electronic appliances and amusement devices). The Products specified in this document are not designed to be radiation tolerant. While ROHM always makes efforts to enhance the quality and reliability of its Products, a Product may fail or malfunction for a variety of reasons. Please be sure to implement in your equipment using the Products safety measures to guard against the possibility of physical injury, fire or any other damage caused in the event of the failure of any Product, such as derating, redundancy, fire control and fail-safe designs. ROHM shall bear no responsibility whatsoever for your use of any Product outside of the prescribed scope or not in accordance with the instruction manual. The Products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuel-controller or other safety device). ROHM shall bear no responsibility in any way for use of any of the Products for the above special purposes. If a Product is intended to be used for any such special purpose, please contact a ROHM sales representative before purchasing. If you intend to export or ship overseas any Product or technology specified herein that may be controlled under the Foreign Exchange and the Foreign Trade Law, you will be required to obtain a license or permit under the Law. Thank you for your accessing to ROHM product informations. More detail product informations and catalogs are available, please contact us. ROHM Customer Support System http://www.rohm.com/contact/ www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. R0039A