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________________________________________________________________________ http://www.union-ic.com rev.11 sep.2013 1/15 um3304/um3304 q /um3304 q t 4-bit bidirectional voltage-level tr anslator with auto direction sensing and 4kv esd protection um3304 csp12 1.9 1.4 UM3304Q qfn14 3.53.5 UM3304Qt qfn16 2.61.8 general description um3304/UM3304Q/UM3304Qt is quad channel level tran slator with auto direction sensing and 4kv esd protection. this 4-ch annel non-inverting translator uses two separate configurable power-supply rails. the a port is designed to track v cca . v cca accepts any supply voltage from 1.2v to 3.6v. the b port is designed to track v ccb . v ccb accepts any supply voltage from 1.65v to 5.5v. this allows for universal low-voltage bi directional translation between any of the 1.2v, 1.5v, 1.8v, 2.5v, 3.3v, and 5v voltage nodes. both i/o ports are auto-sensing; thus, no direction pin is required, making it ideal for data transf er between low-voltage asics /plds and higher voltage systems. the um3304/UM3304Q/UM3304Qt operates at a guarant eed data rate of 20 mbps over the entire specified operating voltage range. within specifi c voltage domains, higher data rates are up to 100mbps. when the output-enable (oe) input is low, all out puts are placed in the high-impedance state. the um3304/UM3304Q/UM3304Qt is designed so that the oe input circuit is designed to track v cca . to ensure the high-impedance state during power up or power down, oe should be tied to gnd through a pull down resistor; the minimum va lue of the resistor is determined by the current-sourcing capability of the driver. the um3304 is a quad level translator availa ble in 1.90mm1.40mm csp12 bump package while the UM3304Q is packaged in a 3.50mm3. 50mm qfn14 package and the UM3304Qt is packaged in a 2.60mm 1.80mm qfn16 package. applications features ? low-voltage asic level translation ? cell-phone cradles ? portable pos systems ? portable communication devices ? low-cost serial interfaces ? cell-phones ? gps ? telecommunications equipment ? 1.2v to 3.6v on a port and 1.65v to 5.5v on b port (v cca v ccb ) ? v cc isolation feature ? if either v cc input is at gnd, all outputs are in the high-impedance state ? oe input circuit referenced to v cca ? low power consumption ? latch-up performance exceeds 100ma ? 4kv esd protection on b ports
________________________________________________________________________ http://www.union-ic.com rev.11 sep.2013 2/15 um3304/um3304 q /um3304 q t pin configurations top view (top view) abcd 3 2 1 um3304 csp12 1.91.4 (top view) xx: week code UM3304Q qfn14 3.53.5 (top view) xx: week code UM3304Qt qfn16 2.601.80
________________________________________________________________________ http://www.union-ic.com rev.11 sep.2013 3/15 um3304/um3304 q /um3304 q t terminal assignments for um3304 pin description pin name function um3304 UM3304Q UM3304Qt b2 1 16 v cca a-port supply voltage. 1.2v v cca 3.6v and v cca v ccb a3 2 1 a1 input/output 1. referenced to v cca b3 3 2 a2 input/output 2. referenced to v cca c3 4 3 a3 input/output 3. referenced to v cca d3 5 4 a4 input/output 4. referenced to v cca - 6 5 nc not connected. (except for um3304) d2 7 6 gnd ground c2 8 8 oe 3-state output enable. pull oe low to place all outputs in 3-state mode. referenced to v cca - 9 14 nc not connected. (except for um3304) d1 10 9 b4 input/output 4. referenced to v ccb c1 11 10 b3 input/output 3. referenced to v ccb b1 12 11 b2 input/output 2. referenced to v ccb a1 13 12 b1 input/output 1. referenced to v ccb a2 14 13 v ccb b-port supply voltage. 1.65v v ccb 5.5v - - 15 nc not connected. (only for UM3304Qt) - - 7 gnd ground. (only for UM3304Qt) ordering information part number packaging type marking code shipping qty um3304 csp12 1.91.4 yaab 3000pcs/7inch tape & reel UM3304Q qfn14 3.5 3.5 UM3304Q 3000pcs/13inch tape & reel UM3304Qt qfn16 2.61.8 3304 3000pcs/13inch tape & reel 3 2 1 d a4 gnd b4 c a3 oe b3 b a2 v cca b2 a a1 v ccb b1
________________________________________________________________________ http://www.union-ic.com rev.11 sep.2013 4/15 um3304/um3304 q /um3304 q t absolute maximum ratings (note 1) over operating free-air temperature range (unless otherwise noted) symbol parameter value unit v cca supply voltage range -0.5 to +4.5 v v ccb supply voltage range -0.5 to +6.5 v v i input voltage range a ports -0.5 to +4.5 v b ports -0.5 to +6.5 v o voltage range applied to any output in the high-impedance or power-off state a ports -0.5 to +4.5 v b ports -0.5 to +6.5 v o voltage range applied to any output in the high or low state (note 2) a ports -0.5 to ( v cca +0.5) v b ports -0.5 to ( v ccb +0.5) i ik input clamp current v i 0 -50 ma i ok output clamp current v o 0 -50 ma i o continuous output current 50 ma continuous current through v cca , v ccb , or gnd 100 ma t op operating temperature range -40 to +85 c t stg storage temperature range -65 to +150 c note1. stresses beyond those listed under "a bsolute maximum ratings" may cause permanent damage to the device. these are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. exposure to ab solute-maximum-rated conditions for extended periods may affect device reliability. note2. the value of v cca and v ccb are provided in the recommended operating conditions table. recommended operating conditions (note 1, 2) symbol parameter v cca v ccb min max unit v cca supply voltage 1.2 3.6 v v ccb 1.65 5.5 v v ih high level input voltage data inputs 1.2v to 3.6v 1.65v to 5.5v v cci 0.65 (note3) v cci v oe 1.2v to 3.6v 1.65v to 5.5v v cca 0.65 5.5 v v il low level input voltage data inputs 1.2v to 3.6v 1.65v to 5.5v 0 v cci 0.35 (note3) v oe 1.2v to 3.6v 1.65v to 5.5v 0 v cc a 0.35 v v o voltage range applied to any output in the high-impedance or power-off state a-port 1.2v to 3.6v 1.65v to 5.5v 0 3.6 v b-port 0 5.5 t/ v input transition rise or fall time a-port inputs 1.2v to 3.6v 1.65v to 5.5v 40 ns/v b-port inputs 1.2v to 3.6v 1.65v to 3.6v 40 4.5v to 5.5v 30 note1. the a and b sides of an unused data i/o pair must be held in the same state, i.e., both at v cci or both at gnd. note2. v cca must be less than or equal to v ccb and must not exceed 3.6 v. note3. v cci is the supply voltage associated with the input port.
________________________________________________________________________ http://www.union-ic.com rev.11 sep.2013 5/15 um3304/um3304 q /um3304 q t electrical characteristics (note 1, 2) over recommended operating free-air temp erature range (unless otherwise noted) parameter test conditions v cca v ccb t a =25 -40 to 85 unit typ max min max v oha i oh =-20 a 1.2v 1.1 v 1.4v to 3.6v v cca -0.4 v ola i ol =20 a 1.2v 0.9 v 1.4v to 3.6v 0.4 v ohb i oh =-20 a 1.65v to 5.5v v ccb -0.4 v v olb i ol =20 a 1.65v to 5.5v 0.4 v i i oe v i =v cci or gnd 1.2v to 3.6v 1.65v to 5.5v 1 2 a i off a port v i or v o =0 to 3.6v 0v 0v to 5.5v 1 2 a b port v i or v o =0 to 5.5v 0v to 3.6v 0v 1 2 i oz a or b port oe=gnd 1.2v to 3.6v 1.65v to 5.5v 1 2 a i cca v i =v cci or gnd i o =0 1.2v 1.65v to 5.5v 0.06 a 1.4v to 3.6v 1.65v to 5.5v 5 3.6v 0v 2 0v 5.5v -2 i ccb v i =v cci or gnd i o =0 1.2v 1.65v to 5.5v 3.4 a 1.4v to 3.6v 1.65v to 5.5v 5 3.6v 0v -2 0v 5.5v 2 i cca +i ccb v i =v cci or gnd i o =0 1.2v 1.65v to 5.5v 3.5 a 1.4v to 3.6v 1.65v to 5.5v 10 i ccza v i =v cci or gnd i o =0, oe=gnd 1.2v 1.65v to 5.5v 0.05 a 1.4v to 3.6v 1.65v to 5.5v 5 i cczb v i =v cci or gnd i o =0, oe=gnd 1.2v 1.65v to 5.5v 3.3 a 1.4v to 3.6v 1.65v to 5.5v 5 c i oe 1.2v to 3.6v 1.65v to 5.5v 3 4 pf c io a port 1.2v to 3.6v 1.65v to 5.5v 5 6 pf b port 11 14 note1. v cci is the supply voltage associated with the input port. note2. v cco is the supply voltage associated with the output port.
________________________________________________________________________ http://www.union-ic.com rev.11 sep.2013 6/15 um3304/um3304 q /um3304 q t switching characteristics t a =+25c, v cca = 1.2v parameter from (input) to (output) v ccb =1.8v v ccb =2.5v v ccb =3.3v v ccb =5v unit typ typ typ typ t pd a b 7 6 5.3 5.5 ns b a 7.5 6.5 6 6 t en oe a 1 1 1 1 s b 1 1 1 1 t dis oe a 18 16 14 14 ns b 19 17 15 15 t ra, t fa a port rise and fall time 5 5 5 5 ns t rb, t fb b port rise and fall time 2.5 1.5 1.2 1 ns t sk ( o ) channel-to-channel 0.5 0.5 0.5 1.5 ns max data rate 20 20 20 20 mbps switching characteristics over recommended operating free-air temperature range, v cca =1.5v0.1v (unless otherwise noted) parameter from (input) to (output) v ccb =1.8v 0.15v v ccb =2.5v 0.2v v ccb =3.3v 0.3v v ccb =5v 0.5v unit min max min max min max min max t pd a b 2 15 1.2 11 1.1 10 1 10 ns b a 1 15 0.9 12 0.5 12 0.3 13 t en oe a 1 1 1 1 s b 1 1 1 1 t dis oe a 6 30 5.5 28 5.5 25 5.5 23 ns b 5.5 30 5 25 5 20 5 20 t ra, t fa a port rise and fall time 1.5 5.0 1.5 5.0 1.5 5.0 1.5 5.0 ns t rb, t fb b port rise and fall time 0.9 4.5 0.6 3.5 0.5 3 0.4 2.5 ns t sk ( o ) channel-to-channel 0.5 0.5 0.5 0.5 ns max data rate 40 40 40 40 mbps
________________________________________________________________________ http://www.union-ic.com rev.11 sep.2013 7/15 um3304/um3304 q /um3304 q t switching characteristics over recommended operating free-air temperature range, v cca =1.8v0.15v (unless otherwise noted) parameter from (input) to (output) v ccb =1.8v 0.15v v ccb =2.5v 0.2v v ccb =3.3v 0.3v v ccb =5v 0.5v unit min max min max min max min max t pd a b 1.6 10 1.4 9 1.3 7 1.2 6.5 ns b a 1.5 12 1.3 8.5 1 8 0.9 8 t en oe a 1 1 1 1 s b 1 1 1 1 t dis oe a 6 34 5.5 23 5 20 5 17.6 ns b 5.5 33 4.5 22 4.2 16.8 4.4 16.3 t ra, t fa a port rise and fall time 1 4.2 1.1 4.0 1.1 4.0 1.1 4.0 ns t rb, t fb b port rise and fall time 0.9 4 0.6 3.2 0.5 2.8 0.4 2.8 ns t sk ( o ) channel-to-channel 0.5 0.5 0.5 0.5 ns max data rate 60 60 60 60 mbps switching characteristics over recommended operating fr ee-air temperature range, v cca =2.5v0.2v (unless otherwise noted) parameter from (input) to (output) v ccb =2.5v 0.2v v ccb =3.3v 0.3v v ccb =5v 0.5v unit min max min max min max t pd a b 1.1 6.5 1 5.2 0.9 5 ns b a 1.2 6.6 1.1 5.1 0.9 4.4 t en oe a 1 1 1 s b 1 1 1 t dis oe a 5.0 23 4.6 15.2 4.6 13 ns b 4.4 22 3.8 16 3.9 13.3 t ra , t fa a port rise and fall time 0.8 3 0.8 3 0.8 3 ns t rb , t fb b port rise and fall time 0.7 2.7 0.5 2.8 0.4 2.7 ns t sk ( o ) channel-to-channel 0.5 0.5 0.5 ns max data rate 100 100 100 mbps
________________________________________________________________________ http://www.union-ic.com rev.11 sep.2013 8/15 um3304/um3304 q /um3304 q t switching characteristics over recommended operating fr ee-air temperature range, v cca =3.3v0.3v (unless otherwise noted) parameter from (input) to (output) v ccb =3.3v 0.3v v ccb =5v 0.5v unit min max min max t pd a b 0.9 5 0.8 4 ns b a 1 5.1 0.9 4 t en oe a 1 1 s b 1 1 t dis oe a 5 15 4 13 ns b 4 16 3.4 13.8 t ra , t fa a port rise and fall time 0.7 2.5 0.7 2.5 ns t rb , t fb b port rise and fall time 0.5 2.1 0.4 2.8 ns t sk ( o ) channel-to-channel 0.5 0.5 ns max data rate 100 100 mbps operating characteristics t a =+25c pamameter test conditions v ccb unit 5v 1.8v 1.8v 1.8v 2.5v 5v 3.3v to 5v v cca 1.2v 1.2v 1.5v 1.8v 2.5v 2.5v 3.3v typ typ typ typ typ typ typ c pda a-port input b-port output c l =0, f=10mhz, t r =t f =1ns, oe= v cca 9 10 10 10 10 10 10 pf b-port input a-port output 12 11 11 11 11 11 11 c pdb a-port input b-port output 35 28 28 29 3.0 30 30 b-port input a-port output 27 19 19 19 20 21 23 c pda a-port input b-port output c l =0, f=10mhz, t r =t f =1ns, oe= gnd 0.01 0.01 0.01 0.01 0.01 0.01 0.01 pf b-port input a-port output 0.01 0.01 0.01 0.01 0.01 0.01 0.01 c pdb a-port input b-port output 0.01 0.01 0.01 0.01 0.01 0.01 0.03 b-port input a-port output 0.01 0.01 0.01 0.01 0.01 0.01 0.05
________________________________________________________________________ http://www.union-ic.com rev.11 sep.2013 9/15 um3304/um3304 q /um3304 q t applications information um3304/UM3304Q/UM3304Qt esd protect ed level translator provides level shifting necessary to allow data transfer in a multi-voltage system. externally applied voltages, v cca and v ccb set the logic levels on either side of device. a low voltage signal present on v cca side of the device appears as a high voltage logic signal on the v ccb side of the device, and vice-versa. block diagram the um3304/UM3304Q/UM3304Qt (block diagram see figure 1) does not require a direction-control signal to control the direction of data flow from a to b or from b to a. in a dc state, the output drivers of the um3304/UM3304Q/UM3304Qt can maintain a high or low, but are designed to be weak, so that they can be overd riven by an external driver when data on the bus starts flowing the opposite direction. the output one shot detects rising or falling edges on the a or b ports. during a rising edge, the one shot turns on the pmos transistors (t1, t3) for a short duration, which speeds up the low-to-high transition. similarly, during a falling edge, the one shot turns on the nmos transistors (t2, t4) for a short duration, which speeds up the high-to-low transition. figure 1 block diagram of um3304/UM3304Q/UM3304Qt i/o cell
________________________________________________________________________ http://www.union-ic.com rev.11 sep.2013 10/15 um3304/um3304 q /um3304 q t input driver requirements typical i in vs v in characteristics of the um3304/UM3304Q/UM3304Qt are shown in figure 2. for proper operation, the device driving th e data i/os of the um3304/UM3304Q/UM3304Qt must have drive strength of at least 2 ma. a: v t is the input threshold voltage of the um3304/UM3304Q/UM3304Qt (typical v cci /2) b: v d is the supply voltage of the external driver. figure 2 typical i in vs v in curve power up during operation, ensure that v cca v ccb at all times. during power-up sequencing, v cca v ccb does not damage the device, so any power supply can be ramped up first. the um3304/UM3304Q/UM3304Qt has circuitry that disables all output ports when either v cc is switched off (v cca/b = 0 v). enable and disable the um3304/UM3304Q/UM3304Qt has an oe input that is used to disable the device by setting oe = low, which places all i/os in the high-impe dance (hi-z) state. the disable time (tdis) indicates the delay between when oe goes low a nd when the outputs acutally get disabled (hi-z). the enable time (ten) indicates the amount of tim e the user must allow for the one-shot circuitry to become operational after oe is taken high. pullup or pulldown resistors on i/o lines the um3304/UM3304Q/UM3304Qt is designed to drive capacitive loads of up to 50pf. the output drivers of the um3304/UM3304Q/UM3304Qt have low dc drive strength. external pullup or pulldown resistors need higher than 50 k ? . for the same reason, the um3304/UM3304Q/UM3304Q t should not be used in open-drain system, such as i 2 c or 1-wire system.
________________________________________________________________________ http://www.union-ic.com rev.11 sep.2013 11/15 um3304/um3304 q /um3304 q t typical operating circuit figure 3 typical operating circuit test circuits figure 4 load circuits and voltage waveforms
________________________________________________________________________ http://www.union-ic.com rev.11 sep.2013 12/15 um3304/um3304 q /um3304 q t package information um3304 csp12 1.901.40 outline drawing d b e d1 a1 a a2 dimensions symbol millimeters inch min max min max a 0.65 0.026 a1 0.21 0.24 0.008 0.010 a2 0.40 0.42 0.016 0.017 d 1.82 1.90 0.073 0.076 e 1.32 1.40 0.053 0.056 d1 1.50typ 0.060typ e1 1.00 typ 0.040 typ e 0.50 typ 0.020 typ b 0.27 0.32 0.011 0.013 c 0.50 typ 0.020 typ l 0.15 0.17 0.006 0.007 land pattern notes: 1. bump is lead free sn/ag/cu. 2. non-solder mask defined copper landing pad. 3. laser mark on silicon die back; back-lapped . tape and reel orientation
________________________________________________________________________ http://www.union-ic.com rev.11 sep.2013 13/15 um3304/um3304 q /um3304 q t UM3304Q qfn14 3.503.50 outline drawing dimensions symbol millimeters inch min max min max a 0.80 1.00 0.032 0.040 a1 0.00 0.05 0.000 0.002 d 3.35 3.65 0.134 0.146 e 3.35 3.65 0.134 0.146 d1 1.90 2.15 0.076 0.086 e1 1.90 2.15 0.076 0.086 b 0.18 0.30 0.007 0.012 e 0.50bsc 0.020bsc e1 1.50bsc 0.060bsc l 0.30 0.50 0.012 0.020 land pattern notes: 1. compound dimension: 3.503.50; 2. unit: mm; 3.general tolerance 0.05mm unless otherwise specified; 4. the layout is just for reference. tape and reel orientation
________________________________________________________________________ http://www.union-ic.com rev.11 sep.2013 14/15 um3304/um3304 q /um3304 q t UM3304Qt qfn16 2.601.80 outline drawing d e l 0.3 b 0.7 0.5 top view bottom view a a3 a1 e side view dimensions symbol millimeters inches min max min max a 0.5 0.6 0.02 0.024 a1 0 0.05 0 0.002 a3 0.15ref 0.006ref d 1.75 1.85 0.069 0.073 e 2.55 2.65 0.1 0.104 l 0.3 0.5 0.012 0.02 b 0.15 0.25 0.006 0.01 e 0.400typ 0.016ref land pattern notes: 1. compound dimension: 2.601.80 ; 2. unit: mm; 3. general tolerance 0.05mm unless otherwise specified; 4. the layout is just for reference. tape and reel orientation
________________________________________________________________________ http://www.union-ic.com rev.11 sep.2013 15/15 um3304/um3304 q /um3304 q t important notice the information in this document has been ca refully reviewed and is believed to be accurate. nonetheless, this document is subjec t to change without notice. union assumes no responsibility for any inaccuracies that may be contained in this document, and makes no commitment to update or to keep current the contained information, or to notify a person or organization of any update. union rese rves the right to make changes, at any time, in order to improve reliability, function or design and to attempt to supply the best product possible. union semiconductor, inc add: 2f, no. 3, lane647 songtao road, shanghai 201203 tel: 021-51093966 fax: 021-51026018 website: www.union-ic.com

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