interface - smt 5 5 - 1 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com HMC677G32 6-bit ser ial/parallel switch driver/controller v00.0510 general description features functional diagram the HMC677G32 is a multi-function bicmos control interface ic which is ideal for driving the gates of fet and phemt based mmic control devices. this unique ic can be used to simplify the control of microwave and millimeterwave transmit/receive modules, mili- tary subsystems, and multi-throw/multi-port test and measurement equipment. the HMC677G32 accepts serial or parallel data, and can drive up to 6 complementary sets of outputs. the HMC677G32 also provides additional functionality such as a power-up state selection, adjustable output voltage levels, and a latched parallel control mode which allows multiple control devices to share a common data bus. the HMC677G32 is ideal for controlling digital phase shifters, digital attenuators, digital variable gain amplifers, and switching matrices embedded in complex microwave and millimeterwave assemblies. accepts serial or parallel data compatible with ttl and cmos logic complementary outputs 6-bit control word power-up state selection low power consumption fast clock rate typical applications the HMC677G32 is ideal for: ? microwave and millimeterwave control circuits ? test and measurement equipment ? complex multi-function assemblies ? military and space subsystems ? transmit/receive module controllers electrical specifcations, t a = +25 c, vdd1 = vdd2 = +5v, vee = -5v, voph = 0v parameter min typ max units input high voltage, vih 2 v low voltage, vil 0.8 v output high voltage, voh (ioh = 1 ma, vee = -4.5v) voph - 0.1 v output low voltage, vol (iol = 2 ma, vee = -4.5v) vee + 0.1 v maximum input leakage current, iin 1 a propagation delay, tplh 80 ns maximum serial bit rate 10 mbps maximum i/o update rate (with 10 pf capacitive load at each output pin) 100 ns
interface - smt 5 5 - 2 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com HMC677G32 v00.0510 6-bit ser ial/parallel switch driver/controller function parameter min. typ. max units vdd positive dc supply voltage 4.5 5.0 5.5 v vee negative dc supply voltage -5.5 -5.0 -4.5 v voph [1] dc output supply 0 - 2.2 v voph - vee negative supply voltage range 4.5 - 7.7 v vdd - vee positive to negative supply range 9 10 11 v ta operating ambient temperature -40 25 85 c loh [2] dc output current - high 1 - - ma lol [2] dc output current - low 2 - - ma [1] voph can be used from 0v to 2.2v. [2] ioh and iol are measured at 0.1v variation from voph and vee. operating ranges function parameter conditions min. typ. max units vih input high voltage high input voltage 2.0 - - v vil input low voltage low input voltage - - 0.8 v voh output high voltage ioh = 1 ma vee = -4.5v voph - 0.1 - - v vol output low voltage iol = 2 ma vee = -4.5v - - vee +0.1 v lin input leakage current vin = vdd or gnd vdd = max - - 1 a idd quiescent supply current vdd = max vin = vdd or gnd - - 1.5 ma ^ idd additional supply current per ttl input pin vdd = max vin = 2v - - 50 a dc characteristics function parameter -40 c +25 c +85 c units tplh rising propagation delay 80 80 80 ns tphl falling propagation delay 80 80 80 ns ttlh output rising transition time 100 100 100 ns tthl output falling transition time 50 50 50 ns tskew delay skew 50 50 50 ns cpdd [1] power dissipation capacitance of vdd 100 100 100 pf cpde [1] power dissipation capacitance of vee 400 400 400 pf worst case ac characteristics at voph = 0v ( vdd = 4.5v, vee = -4.5v) function parameter -40 c +25 c +85 c units tplh rising propagation delay 30 30 30 ns tphl falling propagation delay 30 30 30 ns ttlh output rising transition time 30 40 40 ns tthl output falling transition time 15 20 20 ns tskew delay skew 50 50 50 ns cpdd [1] power dissipation capacitance of vdd 100 100 100 pf cpde [1] power dissipation capacitance of vee 400 400 400 pf worst case ac characteristics at voph = 2.2v ( vdd = 4.5v, vee = -4.5v) 1] total power dissipation is calculated by the following formula: pd = vdd 2 f cpdd + (voph - vee) 2 f cpde, where f = frequency in hz
interface - smt 5 5 - 3 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com serial control interface parallel mode ( direct parallel mode & latched parallel mode) the HMC677G32 contains a 3-wire spi compatible digital interface (data, clk, le). it is activated when p/s is kept high. the 6-bit serial word must be loaded msb frst. the positive-edge sensitive clk and le requires clean transitions. standard logic families work well. when le is high, 6-bit data in the serial input register is transferred to the outputs. when le is high clk is masked to prevent data transition during output loading. when p/s is low, 3-wire spi interface inputs (data, clk, le) are disabled and the serial input register is loaded asynchronously with parallel digital inputs (i0-i5). when le is high, 6-bit parallel data is transferred. for all modes of operations, the outputs will stay constant while le is kept low. note: the parallel mode is enabled when p/s is set to low. direct parallel mode - outputs are changed by the control voltage inputs directly. the le (latch enable) must be at a logic high to control in this manner. latched parallel mode - outputs are selected using the control voltage inputs and set while the le is in the low state. this will not change state while le is low. once all control voltage inputs are at the desired states the le is pulsed. see timing diagram above for reference. timing diagram (latched parallel mode) HMC677G32 v00.0510 6-bit ser ial/parallel switch driver/controller parameter typ. min. serial period, t sck 100 ns control set-up time, t cs 20 ns control hold-time, t ch 20 ns le setup-time, t ln 10 ns min. le pulse width, t lew 10 ns min le pulse spacing, t les 630 ns serial clock hold-time from le, t ckn 10 ns hold time, t ph. 0 ns latch enable minimum width, t len 10 ns setup time, t ps 2 ns
interface - smt 5 5 - 4 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power-up states truth table input outputs ix bx bxb low vee voph high voph vee le pup2 pup1 output states b5 b4 b3 b2 b1 b0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 x x set by the inputs ix for the inputs (le, pup1, pup2), logic 0 = 0v and logic 1 = vdd for the outputs, logic 0 is bx = vee, bxb = voph, and logic 1 is bx = voph, bxb = vee pup truth table power-on sequence the required power-up sequence is: gnd, vdd, vee, voph, digital inputs (i 0 - i 5 ). the relative application of input signal order of the digital inputs are not important. deviations from this sequence may inadvertently forward bias esd protection structures and damage them. for added protection you may install 2 kohm resistors in series with each digital input signal line, however these resistors will increase the rc time constant. HMC677G32 v00.0510 6-bit ser ial/parallel switch driver/controller if le is set to logic low at power-up, the logic state of pup1 and pup2 determines the power-up state of the part per pup truth table. if the le is set to logic high at power-up, the logic state of i5-i0 determines the power-up state of the part per truth table. the attenuator latches in the desired power-up state approximately 200 ms after power-up. control voltage table state vdd = +5v low 0 to 0.8v @ <1 a high 2 to 5v @ <1 a
interface - smt 5 5 - 5 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com outline drawing notes: 1. package material: alumina loaded borosilicate glass (#7052 corning). 2. leads, base, cover material: kovar?. 3. plating: electrolytic gold 50 microinches min., over electrolytic nickel 50 microinches min. 4. all dimensions are in inches [millimeters]. 5. tolerances: 0.005 [0.13] unless otherwise specified. 6. all ground leads and ground paddle must be soldered to pcb rf ground. HMC677G32 v00.0510 6-bit ser ial/parallel switch driver/controller electrostatic sensitive device observe handling precautions absolute maximum ratings digital inputs ( i0-i5 , shift clock, latch enable, p/s, pup and data inputs) -0.5 to vdd +0.5v bias voltage (vdd) 5.6 v bias voltage (vee) -5.6 v bias voltage (voph) 2.3 v channel temperature 125 c continuous pdiss (t = 85 c) (derate 8.2 mw/ c above 85 c) 325 mw thermal resistance (channel to ground paddle) 123 c/w storage temperature -65 to +150 c operating temperature -40 to +85 c
interface - smt 5 5 - 6 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com pin number function description interface schematic 1, 29 vdd supply voltage 2 - 7 i0 - i5 see truth table, control voltage table and timing diagram 9 p/s 10 clk 11 serin 12 le 31, 32 pup2, pup1 8, 13, 14 n/c no connection necessary. these pins may be connected to dc ground. 15, 17, 19, 21, 23, 25 b0 - b5 complementary outputs 16, 18, 20, 22, 24, 26 b0b - b5b 27 vee negative supply. 28 voph user selectable output high voltage 0 to +2.2v 30 serout serial input data delayed by six clock cycles. pin descriptions HMC677G32 v00.0510 6-bit ser ial/parallel switch driver/controller
interface - smt 5 5 - 7 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com application & evaluation pcb schematic HMC677G32 v00.0510 6-bit ser ial/parallel switch driver/controller
interface - smt 5 5 - 8 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com evaluation pcb the evaluation circuit board shown is available from hittite upon request. list of materials for evaluation pcb 129001 [1][3] item description j2, j4 - j6 dc pin j3, j11 multi pin dc connector c1, c3, c5 1000 pf capacitor, 0402 pkg. c2, c4, c6 100 nf capacitor, 0402 pkg. r1-r12 39 k resistor, 0402 pkg. r13, r14, r17 - r26 100 k resistor, 0402 pkg. sw1, sw2 spdt dip switch u1 HMC677G32 6-bit digital level shifter pcb [2] 128998 evaluation pcb [1] reference this number when ordering complete evaluation pcb [2] circuit board material: fr4 [3] please refer to parts pin description and functional diagram for pin out assignments on evaluation board. HMC677G32 v00.0510 6-bit ser ial/parallel switch driver/controller
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