View BU90LV047A_4715409.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

lvds interface ics 4bit lvds driver BU90LV047A 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 transm itted 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 >500 mbps (250 mhz) switching rates flow-through pinout simplifies pcb layout. 300 ps typical differential skew 400 ps maximum differential skew 2.8 ns maximum propagation delay 3.3v power supply design 200mv and 350mv selectabl e differential signaling interoperable with existing 5v lvds receivers high impedance on lvds outputs on power down conforms to tia/eia -644 lvds standard 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. this document may be used as strategic technical data which subjects to cocom regulations. jun.2008
2 / 12 block diagram d1 d out 1+ d out 1- d in1 d2 d out 2+ d out 2- d in2 d3 d out 3+ d out 3- d in3 d4 d out 4+ d out 4- d in4 en sl figure 1. block diagram
3 / 12 ssop-b16 package outline and specification figure 2. ssop-b16 package outline and specification lv47a lot no. 1pin mark product no. 16 9 1 8 5.0 0.2 6.4 0.3 4.4 0.2 0.15 0.1 0.3min 0.10 1.15 0.1 0.65 0.22 0.1 0.10 unit: ?
4 / 12 pin configuration d out1 - 16 d out1+ 15 d out2+ 14 d out2- 13 d out3 - 12 d out3+ 11 d out4+ 10 d out4- 9 en 1 d in1 2 d in2 3 v cc 4 gnd 5 d in3 6 d in4 7 sl 8 figure 3. pin diagram (top view)
5 / 12 pin description table 1 : pin description pin name pin no. type descriptions d in 2, 3, 6, 7 lvcmos in driver input pin, lvcmos compatible d out+ 10, 11, 14, 15 lvds out non-inverting driver output pin, lvds levels d out- 9, 12, 13, 16 lvds out inverting driver output pin, lvds levels sl 8 lvcmos in swing level select pin : when sl is high, the driver is reduce swing level (200mv). when sl is low or open, the driver is normal swing level (350mv). en 1 lvcmos in driver enable pin: when en is low or open, the driver is disabled. when en is high, the driver is enabled. v cc 4 power power supply pin, 3.3v 0.3v gnd 5 gnd ground pin function description input outputs swing level en sl d in d out+ d out- h l or open l l h 350mv h h l h h l l h 200mv h h l all other combinations of en, sl inputs x z z
6 / 12 absolute maximum ratings item symbol value unit min. max. supply voltage vcc -0.3 4.0 v input voltage vin -0.3 vcc+0.3 v output voltage vout -0.3 vcc+0.3 v storage temperature range tstg -55 125 package power package pd(mw) derating(mw/ ) 1 ssop-b16 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 :70 70 1.6 mm 3 the material of pcb board :the fr 4 glass epoxy board.(3% or les s copper foil area) recommended operating conditions item symbol value unit condition min. typ. max. supply voltage v cc 3.0 3.3 3.6 v operating temperature range topr -40 - 85
7 / 12 dc characteristics symbol parameter conditions pin min typ max units v od1 differential output voltage sl= gnd , r l = 100 (figure 4) d out- d out+ 250 350 450 mv v oh output high voltage - 1.42 1.6 v v ol1 output low voltage 0.90 1.08 - v v od2 differential output voltage sl= v cc , r l = 100 (figure 4) 120 200 300 mv v oh2 output high voltage - 1.35 1.50 v v ol2 output low voltage 1.00 1.15 - v v od change in magnitude of v od for complementary output states sl = v cc or gnd, - 1 35 |mv| v os offset voltage r l = 100 (figure 4) 1.125 1.25 1.375 v v os change in magnitude of vos for complementary output states - 1 25 |mv| v ih input high voltage d in, v cc 0.8 - v cc v v il input low voltage sl gnd - v cc 0.2 v i i input current v in = 0v or v cc , other input = v cc or gnd en -10 - +10 a v cl input clamp voltage i cl = -18ma -1.5 -0.8 - v i os output short circuit current enabled, d in = v cc , d out+ = 0v or d in = gnd, d out- = 0v d out- d out+ - -5.4 -9.0 ma i osd differential output short circuit current enabled, v od = 0v - -5.4 -9.0 ma i off power-off leakage v out = 0v or 3.6v, v cc =0v or open -20 1 +20 a i cc no load supply current drivers enabled d in = v cc or gnd v cc - 20 - ma i ccl load supply current drivers enabled r l = 100 all channels, d in = v cc or gnd (all outputs) - 20 - ma i ccz no load supply current drivers disabled d in = v cc or gnd, en = gnd, sl = gnd - 3 - ma
8 / 12 switching characteristics v cc = +3.3v 0.3v, t opr = -40 to +85 symbol parameter conditions min typ max units t phld differential propagation delay high to low r l = 100, c l = 15pf 0.5 1.7 2.8 ns t plhd differential propagation delay low to high (figure 5 and figure 6) 0.5 1.7 2.8 ns t skd1 differential pulse skew |t phld C t plhd | 0 0.3 0.4 ns t skd2 channel-to-channel skew 0 0.4 0.5 ns t skd3 differential part to part skew 0 - 1.0 ns t skd4 differential part to part skew 0 - 1.2ns t tlh rise time - 0.5 1.5 ns t thl fall time - 0.5 1.5 ns t phz disable time high to z r l = 100, c l = 15pf - 2 5 ns t plz disable time low to z (figure 7 and figure8) - 2 5 ns t pzh enable time z to high - 3 7 ns t pzl enable time z to low - 3 7 ns f max maximum operating frequency 250 - - mhz figure 4. driver vod and vos test circuit d v cc gnd s1 d in v os rl/2 d out + d out - v od rl/2 driver enabled
9 / 12 d d in d out + d out - driver enabled generator rl cl cl 50 figure 5. driver propagation de lay and transition time test ci rcuit figure 6. driver propagation de lay and transition time wavefor ms d d out + d out - 1/ 4 bu90lv 047 a generator cl cl 50o 50o 50o +1.2v d in v cc gnd en figure 7. driver 3-st ate delay test circuit d in d out - d out + v diff 1.5v plhd 0vdifferential) 80 0v 20 tlh 80 0v 20 thl 0v 1.5v phld 3v 0v v oh v ol v diff = d out + - d out -
10 / 12 parameter measurement information (continued) 1.5v phz 1.5v pzh 3v 0v 50 1.2v v oh 1.2v v ol 50 plz pzl 50 50 d out + when d in = vcc d out -when d in = gnd d out + when d in = gnd d out -when d in = vcc en when sl = l or open figure 8. driver 3-state delay waveform typical application 1/4 bu90lv048 rt 100o data outpu t enable data input 1/4 BU90LV047A figure 9. point-to- point application
11 / 12 typical application (continued) d in d out - d out + v od 0v(diff.) 0v 3v 0v v oh v ol single-ended v os (1.25v typical) d out + - d out - differential output +vod -vod +v ss figure 10. driver output levels
catalog no.08t236a '08.6 rohm ?

▲Up To Search▲

Price & Availability of BU90LV047A

	To Download BU90LV047A Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .