sy10/100ep451l 3.3v ecl 6-bit differential register with master reset micrel inc. ?2180 fortune drive ?san jose, ca 95131 ?usa ?tel +1 ( 408 ) 944-0800 ?fax + 1 (408) 474-1000 ?http://www.micrel.com may 2007 m9999-051807-b hbwhelp@micrel.com or (408) 955-1690 general description the sy10/100ep451l is a 6-bit fully differential register with common clock and single-ended master reset (mr). it is ideal for very high frequency applications where a registered data path is necessary. all inputs have an internal 75k? pull-down resistor. differential inputs have an override clamp. unused differential register inputs can be left open and will default low. when the differential inputs are forced to a value smaller than v ee +1.2v, the clamp will override and force the output to a default state. the positive transition of clk (pin 4) will latch the registers. master reset (mr) high will asynchronously reset all registers forcing q outputs to go low. datasheets and support documentation can be found on micrel? web site at: www.micrel.com . features 450ps typical propagation delay maximum frequency > 3.0ghz typical asynchronous master reset 20ps skew within device, 35ps skew device-to-device pecl mode operating range: ? v cc = 3.0v to 3.6v with v ee = 0v necl mode operating range: ? v cc = 0v with v ee = ?.0v to ?.6v open input default state safety clamp on inputs available in 32-pin tqfp applications high speed logic wireless communication systems data communication systems
micrel, inc. sy10/100ep451l may 2007 2 m9999-051807-b hbwhelp@micrel.com or (408) 955-1690 logic diagram
micrel, inc. sy10/100ep451l may 2007 3 m9999-051807-b hbwhelp@micrel.com or (408) 955-1690 ordering information (1) part number package type operating range package marking lead finish sy10ep451ltg t32-1 industrial sy10ep451ltg with pb-free bar-line indicator pb-free nipdau sy10ep451ltgtr (2) t32-1 industrial sy10ep451ltg with pb-free bar-line indicator pb-free nipdau sy100ep451ltg t32-1 industrial sy100ep451ltg with pb-free bar-line indicator pb-free nipdau sy100ep451ltgtr (2) t32-1 industrial sy100ep451ltg with pb-free bar-line indicator pb-free nipdau notes: 1. contact factory for die availability. dice are guaranteed at t a = 25?, dc electricals only. 2. tape and reel. pin configuration 32-pin tqfp (t32-1)
micrel, inc. sy10/100ep451l may 2007 4 m9999-051807-b hbwhelp@micrel.com or (408) 955-1690 pin description pin number pin name pin function 2, 3 32, 1 30, 31 26, 27 24, 25 22, 23 d0, /d0 d1, /d1 d2, /d2 d3, /d3 d4, /d4 d5, /d5 ecl differential data inputs: these input pairs are the different data signal inputs to the device. each input pin is connected to a 75k? pull-down resistor. due to an internal clamping circuit, d will default low and /d will default high if left open. 29 mr ecl master reset input pin. if input pin is left open, it will default to low. 4, 5 clk, /clk ecl differential clock input: this input pair is the clock signal input to the device. each input pin is connected to a 75k? pull-down resistor. due to an internal clamping circuit, clk will default low and /clk will default high if left open. 7, 8 9, 10 11, 12 14, 15 17, 18 20, 21 q0, /q0 q1, /q1 q2, /q2 q3, /q3 q4, /q4 q5, /q5 ecl differential data outputs: q defaults to low and /q defaults to high if d inputs are left open. see ?vpecl output interface applications?section for recommendations on terminations. 6, 13, 16 vcc positive supply: bypass with 0.1f||0.01f low esr capacitors as close to the v cc pins as possible. 19, 28 vee negative power supply: v ee must be tied to most negative supply.
micrel, inc. sy10/100ep451l may 2007 5 m9999-051807-b hbwhelp@micrel.com or (408) 955-1690 absolute maximum ratings (1) supply voltage pecl mode (v cc ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +4v necl mode (v ee ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ?v input voltage (v in ) pecl mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v cc necl mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v ee output current (i out ) continuous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50ma surge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100ma lead temperature (soldering, 20sec.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260? storage temperature (t s ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ?5? to +150? operating ratings (2) supply voltage (v cc ) pecl mode (v ee = 0v) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +3.0v to +3.6v supply voltage (v ee ) necl mode (v cc = 0v) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -3.0v to -3.6v ambient temperature (t a ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ?0? to +85? junction thermal resistance (3) tqfp junction-to-ambient ( ja ) 0lfpm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80?/w 500lfpm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66?/w junction-to-case ( jc ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20?/w pecl 10ep dc electrical characteristics (4) v cc = 3.3v; v ee = 0v; t a = ?0? to +85?, unless otherwise stated. (5) -40? 25? 85? symbol parameter min typ max min typ max min typ max units i ee power supply current 80 105 80 105 80 105 ma v oh output high voltage (6) 2165 2290 2415 2230 2355 2480 2290 2415 2540 mv v ol output low voltage (6) 1365 1490 1615 1430 1555 1680 1470 1615 1740 mv v ih input high voltage (single-ended) 2090 2415 2155 2480 2215 2540 mv v il input low voltage (single-ended) 1365 1690 1430 1755 1490 1815 mv v ihcmr input high voltage common mode range (differential configuration) (7) 2.0 3.3 2.0 3.3 2.0 3.3 v i ih input high current 150 150 150 a i il input low current 0.5 0.5 0.5 a necl 10ep dc electrical characteristics (4) v cc = 0v; v ee = ?.0v to ?.6v; t a = ?0? to +85?, unless otherwise stated. -40? 25? 85? symbol parameter min typ max min typ max min typ max units i ee power supply current 80 105 80 105 80 105 ma v oh output high voltage (6) -1135 -1010 -885 -1070 -945 -820 -1010 -885 -760 mv v ol output low voltage (6) -1935 -1810 -1685 -1870 -1745 -1620 -1830 -1685 -1560 mv v ih input high voltage (single-ended) -1210 -885 -1145 -820 -1085 -760 mv v il input low voltage (single-ended) -1935 -1610 -1870 -1545 -1810 -1485 mv v ihcmr input high voltage common mode range (differential configuration) (7) v ee +2.0 0.0 v ee +2.0 0.0 v ee +2.0 0.0 v i ih input high current 150 150 150 a i il input low current 0.5 0.5 0.5 a notes: 1. exceeding the absolute maximum rating may damage the device. 2. the device is not guaranteed to function outside its operating rating. 3. ja and jc values are determined for a 4-layer board in still-air unless otherwise stated. 4. the device will meet the specifications after thermal equilibrium has been established when mounted in a test socket or printed circuit board with maintained transverse airflow greater than 500lfpm. electrical parameters are guaranteed only over the declared operating temperature range. functional operation of the device exceeding these conditions is not implied. device specifications limit values are applied individually under normal operating conditions and not valid simultaneously. 5. input and output parameters vary 1:1 with v cc . 6. all loading with 50? to v cc ?.0v. 7. v ihcmr (min) varies 1:1 with v ee , v ihcmr (max) varies 1:1 with v cc . the v ihcmr range is referenced to the most positive side of the differential input signal.
micrel, inc. sy10/100ep451l may 2007 6 m9999-051807-b hbwhelp@micrel.com or (408) 955-1690 pecl 100ep dc electrical characteristics (8) v cc = 3.3v; v ee = 0v; t a = ?0? to +85?, unless otherwise stated. (9) -40? 25? 85? symbol parameter min typ max min typ max min typ max units i ee power supply current 85 120 85 120 85 120 ma v oh output high voltage (10) 2155 2280 2405 2155 2280 2405 2155 2280 2405 mv v ol output low voltage (10) 1355 1480 1605 1355 1480 1605 1355 1480 1605 mv v ih input high voltage (single-ended) 2075 2420 2075 2420 2075 2420 mv v il input low voltage (single-ended) 1355 1675 1355 1675 1355 1675 mv v ihcmr input high voltage common mode range (differential configuration) (11) 2.0 3.3 2.0 3.3 2.0 3.3 v i ih input high current 150 150 150 a i il input low current 0.5 0.5 0.5 a necl 100ep dc electrical characteristics (8) v cc = 0v; v ee = ?.0v to ?.6v; t a = ?0? to +85?, unless otherwise stated. -40? 25? 85? symbol parameter min typ max min typ max min typ max units i ee power supply current 85 120 85 120 85 120 ma v oh output high voltage (10) -1145 -1020 -895 -1145 -1020 -895 -1145 -1020 -895 mv v ol output low voltage (10) -1945 -1820 -1695 -1945 -1820 -1695 -1945 -1820 -1695 mv v ih input high voltage (single-ended) -1225 -880 -1225 -880 -1225 -880 mv v il input low voltage (single-ended) -1945 -1625 -1945 -1625 -1945 -1625 mv v ihcmr input high voltage common mode range (differential configuration) (11) v ee +2.0 0.0 v ee +2.0 0.0 v ee +2.0 0.0 v i ih input high current 150 150 150 a i il input low current 0.5 0.5 0.5 a notes: 8. the device will meet the specifications after thermal equilibrium has been established when mounted in a test socket or printed circuit board with maintained transverse airflow greater than 500lfpm. electrical parameters are guaranteed only over the declared operating temperature range. functional operation of the device exceeding these conditions is not implied. device specifications limit values are applied individually under normal operating conditions and not valid simultaneously. 9. input and output parameters vary 1:1 with v cc . 10. all loading with 50? to v cc ?.0v. 11. v ihcmr (min) varies 1:1 with v ee , v ihcmr (max) varies 1:1 with v cc . the v ihcmr range is referenced to the most positive side of the differential input signal.
micrel, inc. sy10/100ep451l may 2007 7 m9999-051807-b hbwhelp@micrel.com or (408) 955-1690 ac electrical characteristics (12) v cc = 0v; v ee = ?.0v to ?.6v or v cc = 3.0v to 3.6v; v ee = 0v; t a = ?0? to +85?; for 10ep and 100ep, unless otherwise stated. (13) -40? 25? 85? symbol parameter min typ max min typ max min typ max units v outpp output voltage amplitude at 3ghz (14) 540 670 520 650 450 580 mv t pd propagation delay to clk to q, /q output differential mr to q, /q 330 380 430 530 530 630 350 400 450 550 550 650 390 440 490 590 590 690 ps t rr reset recovery mr to clk 240 100 250 100 260 100 ps t s set-up time d to clk 80 0 80 0 80 0 ps t h hold time clk to d 80 0 80 0 80 0 ps t pw minimum pulse rate mr 400 400 400 ps t skew within-device skew (15) device-to-device skew (16) 10 35 40 100 10 35 40 100 10 35 40 100 ps t jitter clock random jitter (rms) at 3.0ghz 0.2 1 0.2 1 0.2 1 ps t r , t f output rise/fall times q, /q (20% to 80%) 100 150 250 110 160 260 130 180 280 ps notes: 12. the device will meet the specifications after thermal equilibrium has been established when mounted in a test socket or printed circuit board with maintained transverse airflow greater than 500lfpm. electrical parameters are guaranteed only over the declared operating temperature range. functional operation of the device exceeding these conditions is not implied. device specifications limit values are applied individually under normal operating conditions and not valid simultaneously. 13. measured using a 750mv source, 50% duty cycle clock source, all loading with 50? to v cc ?v. 14. v ol and v oh specifications not guaranteed for f max testing 15. skew is measured between outputs under identical transitions and conditions on any one device. 16. device-to-device skew for identical transitions at identical v cc levels. input stage figure 1. simplified differential input buffer
micrel, inc. sy10/100ep451l may 2007 8 m9999-051807-b hbwhelp@micrel.com or (408) 955-1690 typical characteristics v cc = 3.3v, gnd = 0v, v in = 800mv, t a = 25?; for 10ep and 100ep, unless otherwise stated. functional characteristics v cc = 3.3v, gnd = 0v, v in = 800mv, t a = 25?; for 10ep and 100ep, unless otherwise stated.
micrel, inc. sy10/100ep451l may 2007 9 m9999-051807-b hbwhelp@micrel.com or (408) 955-1690 lvpecl output interface applications lvpecl output has very low output impedance (open emitter), and small signal swing which results in low emi. lvpecl is ideal for driving 50? and 100? controlled impedance transmission lines. there are several techniques in terminating the lvpecl output, as shown in figures 2 through 4. figure 2. parallel termination-thevenin equivalent figure 3. three-resistor ?-termination notes: 1. power-saving alternative to thevenin termination. 2. place termination resistors as close to destination inputs as possible. 3. r b resistor sets the dc bias voltage, equal to v cc -2v. 4. c1 is an optional bypass capacitor intended to compensate for any t r , t f mismatches. figure 4. terminating unused i/o notes: 1. unused output (/q) must be terminated to balance the output. 2. unused output pairs (q and /q) may be left floating.
micrel, inc. sy10/100ep451l may 2007 10 m9999-051807-b hbwhelp@micrel.com or (408) 955-1690 package information 32-pin tqfp (t32-1) micrel, inc. 2180 fortune drive san jose, ca 95131 usa tel +1 (408) 944-0800 fax +1 (408) 474-1000 web http://www.micrel.com the information furnished by micrel in this data sheet is believed to be accurate and reliable. however, no responsibility is assumed by micrel for its use. micrel reserves the right to change circuitry and specifications at any time without notification to the customer. micrel products are not designed or authorized for use as components in life support appliances, devices or systems where malfunction of a product can reasonably be expected to result in personal injury. life support devices or systems are devices or systems that (a) are intended for surgical implant into the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant injury to the user. a purchaser? use or sale of micrel products for use in life support appliances, devices or systems is a purchaser? own risk and purchaser agrees to fully indemnify micrel for any damages resulting from such use or sale. ?2007 micrel, incorporated.
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