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1/17 www.rohm.com 2009.05 - rev.d ? 2009 rohm co., ltd. all rights reserved. hdmi switch ics 1 for input 1 output buffer with termination sense correspondence (sync with hpd_sink) bu16024kv description bu16024kv is 1 for input 1output hdmi/dvi buffer lsi. each port supports 2.25gbps. (hdmi 1.3a). this device control is simple. it requires only 3.3v and a few gpio controls. terminated resistors(50 ? ) are integrated at each input port. when hpd_sink is l, termination resistors are turned off. tmds inputs are high impedance. this device is integrated equaliz ation function and ddc buffer function, so it can adapt long cable. features 1) supports 2.25 gbps signaling rate for 480i/p , 720i/p, and 1080i/p resolution to 12-bit color depth 2) compatible with hdmi 1.3a 3) 5v tolerance to all ddc and hpd_sink inputs 4) integrated ddc buffer 5) integrated switchable 50 ? receiver termination 6) integrated equalizer circuit to adapt long cable 7) selectable output de-emphasis supports 8) high impedance outputs when disabled 9) hbm esd protection exceed 10kv 10) 3.3-v supply operation 11) 48-pin vqfp package 12) rohs compatible applications digital tv, dvd player, set-top-box, audio video receiv er, digital projector, dvi or hdmi switch box, pc line up matrix part no. power supply (v) esd (kv) input (ch) output (ch) data rate (gbps) hot plug control termination sense correspondence switching method ddc buffer equalizer de emphasis package rohs BU16020KV 3 to 3.6 10 hdmi 4ch hdmi 1ch 2.7 yes yes gpio/i 2 c yes yes (adaptive) yes vqfp100 yes bu16018kv 3 to 3.6 10 hdmi 3ch h d mi 1c h 2. 25 yes yes g pi o yes yes yes vq f p8 0 yes bu16027kv 3 to 3.6 10 hdmi 3ch h d mi 1c h 2. 25 yes yes g pi o yes yes yes (always on) vqfp64 yes bu16006kv 3 to 3.6 10 hdmi 2ch h d mi 1c h 2. 25 yes yes g pi o yes yes yes (always on) vqfp64 yes bu16024kv 3 to 3.6 10 hdmi 1ch h d mi 1c h 2. 25 yes yes - yes yes yes vq f p4 8c yes no.09063edt03
technical note 2/17 bu16024kv www.rohm.com 2009.05 - rev.d ? 2009 rohm co., ltd. all rights reserved. figure 1-1 outside dimension chart lot no. bu16024kv 1pin mark
technical note 3/17 bu16024kv www.rohm.com 2009.05 - rev.d ? 2009 rohm co., ltd. all rights reserved. scl scl_sink sda sda_sink i2cen selref vsadj pre oe v cc a4 b4 tmds r tmds driver r int v cc a3 b3 tmds r tmds driver r int v cc a2 b2 tmds r tmds driver r int v cc a1 tmds r tmds driver r int b1 y4 z4 y3 z3 y2 z2 y1 z1 hpd hpd_sink( (*) when hpd_sink = l. termin ation resistor is turned off. figure 2-1 block diagram
technical note 4/17 bu16024kv www.rohm.com 2009.05 - rev.d ? 2009 rohm co., ltd. all rights reserved. (top view) 16024kv (48-pin vqfp) 39 48 47 46 45 44 43 42 41 40 34 33 32 31 30 29 28 27 26 25 22 13 14 15 16 17 18 19 20 21 24 23 36 35 37 38 1 2 3 4 5 6 7 8 9 10 11 12 vcc y4 pre oeb gnd i2cen gnd a14 b14 test0 test1 z4 nc vcc z3 gnd z2 vcc z1 y3 y2 y1 hpd_sink gnd test2 gnd scl_sink sda_sink vcc selref gnd vcc sda scl vsadj test3 nc vcc b13 gnd b12 vcc b11 a13 a12 a11 hpd gnd figure 3-1 pin location
technical note 5/17 bu16024kv www.rohm.com 2009.05 - rev.d ? 2009 rohm co., ltd. all rights reserved. 2). pin list terminal i/o description name no. b1, b2, b3, b4 39, 42, 45, 2 i tmds negative inputs a1, a2, a3, a4 40, 43, 46, 3 i tmds positive inputs z1, z2, z3, z4 22, 19, 16, 11 o tmds negative outputs y1, y2, y3, y4 21, 18, 15, 10 o tmds positive outputs hpd 37 o hot plug detector output hpd_sink 24 i hot plug detector input scl 34 i/o ddc bus clock line to source sda 33 i/o ddc bus data line to source scl_sink 27 i/o ddc bus clock line to sink sda_sink 28 i/o ddc bus data line to sink vsadj 35 i tmds compliant voltage swing control(via 4.64k
technical note 6/17 bu16024kv www.rohm.com 2009.05 - rev.d ? 2009 rohm co., ltd. all rights reserved. figure 4-1 i/o pin schematic diagram :?:? technical note 7/17 bu16024kv www.rohm.com 2009.05 - rev.d ? 2009 rohm co., ltd. all rights reserved. symbol parameter min. typ. max. unit v cc supply voltage 3.0 3.3 3.6 v t a operating free-air temperature 0 - 70 =? tmds differential pins (a/b) v id receiver peak-to-peak differential input voltage 150 - 1560 mvp-p v ic input common mode voltage v cc -0.6 - v cc +0.01 v r vsadj resistor for tmds compliant vo ltage swing range 4.6 4.64 4.68 k av cc tmds output termination voltage, see figure 5-1 3 3.3 3.6 v r t termination resistance, see figure 5-1 45 50 55 signaling rate 0 - 2.25 gbps status(hpd_sink) v ih lvttl high-level input voltage 2.4 - 5.5 v v il lvttl low-level input voltage gnd - 0.8 v ddc pins (scl_sink, sda_sink,sda,scl) v i(ddc) input voltage gnd - 5.5 v item min. typ. max. unit supply voltage bvccb -0.3 - 4.0 v scl, scl_sink, sda, sda_sink, hpd_sink input voltage -0.3 - 6.0 v differential input voltage 2.5 - 4 v pre, i 2 cen, selref, oeb input voltage -0.3 - 4 v power dissipation - - 1200 :w=? 1 mw storage temperature range -55 - 125 =?
technical note 8/17 bu16024kv www.rohm.com 2009.05 - rev.d ? 2009 rohm co., ltd. all rights reserved. 3. parameter test conditions limits unit min. typ. (1) max. icc supply current v ih = vcc,v il = vcc-0.4v,r vsadj = 4.64k ? ? ? ? tmds differential pins (a/b; y/z) v oh single-ended high-level output voltage avcc = 3.3v, r t = 50 ? ? symbol
technical note 9/17 bu16024kv www.rohm.com 2009.05 - rev.d ? 2009 rohm co., ltd. all rights reserved. symbol parameter test conditions limits unit min. typ. (1) max ddc input and output tx (sda_sink , scl_sink ) i lkr ? rx (sda, scl) i l kr status pins ( hpd ) v oh (tt l) ttl high?level output voltage i oh = - 8ma 2.4 - vcc v v ol (tt l) ttl low?level output voltage i ol = 8ma 0 - 0.4 v control pins (pre, oeb) i ih high?level digital input current v ih = vcc -10 - 10 ua i il low?level digital input current v il = gnd -10 - 10 ua control pins (i 2 cen, selref,) i ih high?level digital input current v ih = vcc -45 - 45 ua i il low?level digital input current v il = gnd -45 - 45 ua status pins (hpd_sink) i i h high?level digital input current v ih = 5.5v 10 50 100 ua v ih = vcc 5 30 80 ua i i l low?level digital input current v il = gnd -10 - 10 ua
technical note 10/17 bu16024kv www.rohm.com 2009.05 - rev.d ? 2009 rohm co., ltd. all rights reserved. parameter test conditions limits unit min. typ. (1) max. tmds differential pins (y/z) t plh propagation delay time low-high-level output see figure5-2, av cc = 3.3v, r t = 50? propagation delay time high-low-level output - 335 - ps t r differential output signal rise time (20%-80%) - 120 - ps t f differential output signal fall time (20%-80%) - 120 - ps t sk(p) pulse skew ( |t phl - t plh | ) - 15 - ps t sk(d) intra-pair differential skew, see figure5-3 - 25 - ps ddc i/o pins (scl, scl_sink, sda, sda_sink) t pdlhtr (ddc) propagation delay time, low-to-high-level output tx to rx r l = 4.7k ? ? ? status pins(hpd) t pdlh(hpd) propagation delay time, low-to-high-level output from hpd_sink to hpd c l =10pf - 5 - ns t pdhl(hpd) propagation delay time, high-to-low-level output
technical note 11/17 bu16024kv www.rohm.com 2009.05 - rev.d ? 2009 rohm co., ltd. all rights reserved. figure 5-1 termination for tmds output driver figure 5-2 timing test circuit and definitions ::?:w:?:w:? :? ::?:w:?:w:? :? :?::?:a :?::::?: :?::?:a :?:?:o:?:::?: :?:-:?:? :? :? :? :?
technical note 12/17 bu16024kv www.rohm.com 2009.05 - rev.d ? 2009 rohm co., ltd. all rights reserved. tsk(d) v ch v ol 50% v y v z figure 5-3 definition of intra-pair differential skew t pdhl(hpd) t pdlh(hpd) 2 vdd 2 vdd t pdhlrt(ddc) t pdlhrt(ddc) hpd_sink hpd sda_sink sda 1.5v 1.5v t pdhltr(ddc) t pdlhtr(ddc) t ftx(ddc) t rtx(ddc) t rx(ddc) t rrx(ddc) 80% 20% 80% 20% rx to tx tx to rx v il figure 5-4 ddc and hpd timing definitions
technical note 13/17 bu16024kv www.rohm.com 2009.05 - rev.d ? 2009 rohm co., ltd. all rights reserved. 1). y and z terminal esd diode notice. y and z terminals are connected esd diode. when vcc avcc power down controler vcc 10k test0 10k test2 test1 10k figure 6-1 leak current control 2). hpd_sink pull down resistance. hpd_sink is a 5v tolerant structure shown in figure 6-2. it needs some drive current to pull down hpd_sink "h" to "l"(max10ua@hpd_sink=2v). so to pull down hpd_sink, please use 10k 10k vcc hpd_sink bu16024kv figure 6-2 hpd_sink i/o schematic
technical note 14/17 bu16024kv www.rohm.com 2009.05 - rev.d ? 2009 rohm co., ltd. all rights reserved. 3). about don?t use terminal. unused tmds input channel can be opened. tmds receiver tmds driver vcc r int r int bu16024kv y z r t r t avcc a b igure 6-3 tmds input fail-safe recommendation unused ddc buffers of r side polled up to vdd . t r vcc rscl rsda tscl tsda 4.7k figure 6-4 ddc buffers in bu16024kv open unused hpdn. figure 6-5 open unused hpdn
technical note 15/17 bu16024kv www.rohm.com 2009.05 - rev.d ? 2009 rohm co., ltd. all rights reserved. 4 tmds receiver tmds driver vcc r int r int y z a b y z r t r t tmds receiver tmds driver vcc r int r int y z a b avcc figure 6-6 serial connect notice 5 figure 6-7 ac coupling capable 6). offset voltage appearance. if differential input is opened, offset voltage appear at differential output oe is set to low to avoid it. figure 6-8 offset voltage avoid
technical note 16/17 bu16024kv www.rohm.com 2009.05 - rev.d ? 2009 rohm co., ltd. all rights reserved. 7 figure 6-9 limitation of master and slave direction
technical note 17/17 bu16024kv www.rohm.com 2009.05 - rev.d ? 2009 rohm co., ltd. all rights reserved. ? ? (unit : mm) vqfp48c +6 4 ?4 0.08 m 0.08 s 24 37 48 36 25 12 1 13 0.50.15 7.0 0.1 7.0 0.1 1pin mark 0.75 1.4 0.05 - 0.03 0.5 0.1 +0.05 1.6max 0.75 0.145 - 0.04 +0.05 0.22 0.1 0.05 1.00.2 9.0 0.2 9.0 0.2 direction of feed reel ? order quantity needs to be multiple of the minimum quantity. embossed carrier tape tape quantity direction of feed 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 1500pcs e2 () 1pin
r0039 a www.rohm.com ? 2009 rohm co., ltd. all rights reserved. notice rohm customer support system http://www.rohm.com/contact/ thank you for your accessing to rohm product informations. more detail product informations and catalogs are available, please contact us. notes no copying or reproduction of this document, in part or in whole, is permitted without the consent of rohm co.,ltd. the content specied herein is subject to change for improvement without notice. the content specied 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 specications, 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 specied 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 specied 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 specied in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, ofce-automation equipment, commu- nication devices, electronic appliances and amusement devices). the products specied 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, re or any other damage caused in the event of the failure of any product, such as derating, redundancy, re 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 specied 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.

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