2.5V/3.3V/5V 1:2 DIFFERENTIAL PECL/LVPECL/ECL FANOUT BUFFER Micrel, Inc. ECL Pro™ SY10EP11U ECL Pro™ SY100EP11U SY10EP11U SY100EP11U FEATURES ■ 2.5V, 3.3V and 5V power supply options ■ Guaranteed AC parameters over temperature: • fMAX > 3.0GHz • < 20ps output-to-output skew • < 200ps tr / tf • < 300ps propagation delay ■ Wide temperature range: –40°C to +85°C ■ Available in 8-pin (3mm) MSOP and SOIC packages ECL Pro™ DESCRIPTION The SY10/100EP11U is a precision, high-speed 1:2 differential fanout buffer. Having within-device skews and output transition times significantly improved over the EL11V, the EP11U is ideally suited for those applications which require the ultimate in AC performance. The differential inputs of the EP11U employ clamping circuitry to maintain stability under open input conditions. If the inputs are left open, the Q outputs will go LOW. PIN NAMES CROSS REFERENCE TABLE Micrel Semiconductor ON Semiconductor SY10EP11UZI/KI MC10EP11D/DT SY10EP11UZI/KI MC10LVEP11D/DT SY100EP11UZI/KI MC100EP11D/DT SY100EP11UZI/KI MC100LVEP11D/DT Pin Function D PECL, LVPECL, ECL, LVECL Clock or Data Input: Internal 75kΩ pulldown resistor. If left floating, pin defaults LOW, QOUT goes LOW. /D PECL, LVPECL, ECL, LVECL complementary Clock or Data Input: Internal 75kΩ pull-up and down resistors. If left open, default is VCC/2. When the input is not used, it can be left open. Q0, /Q0 Q1, /Q1 PECL, LVPECL, ECL, LVECL Outputs: Terminates to VCC –2V. VCC Positive Power Supply: Bypass with 0.1µF//0.01µF low ESR capacitors. VEE Negative Power Supply: For PECL operation, connect to GND. ECL Pro is a trademark of Micrel, Inc. M9999-111606 [email protected] or (408) 955-1690 1 Rev.: D Amendment: /0 Issue Date: November 2005 ECL Pro™ SY10EP11U SY100EP11U Micrel, Inc. PACKAGE/ORDERING INFORMATION Ordering Information(1) Q0 1 8 VCC /Q0 2 75kΩ 7 D VEE Q1 75kΩ /Q1 4 /D 6 3 VEE 75kΩ Package Type Operating Range Package Marking Lead Finish SY10EP11UKC K8-1 Commercial HP11 Sn-Pb SY10EP11UKCTR(2) K8-1 Commercial HP11 Sn-Pb SY100EP11UKC K8-1 Commercial XP11 Sn-Pb SY100EP11UKCTR(2) K8-1 Commercial XP11 Sn-Pb SY10EP11UZC Z8-1 Commercial HEP11U Sn-Pb SY10EP11UZCTR(2) Z8-1 Commercial HEP11U Sn-Pb SY100EP11UZC Z8-1 Commercial XEP11U Sn-Pb SY100EP11UZCTR(2) Z8-1 Commercial XEP11U Sn-Pb SY10EP11UKI K8-1 Industrial HP11 Sn-Pb Part Number VCC VCC 5 VEE VEE 8-pin MSOP and SOIC Packages SY10EP11UKITR(2) K8-1 Industrial HP11 Sn-Pb SY100EP11UKI K8-1 Industrial XP11 Sn-Pb SY100EP11UKITR(2) K8-1 Industrial XP11 Sn-Pb SY10EP11UZI Z8-1 Industrial HEP11U Sn-Pb SY10EP11UZITR(2) Z8-1 Industrial HEP11U Sn-Pb SY100EP11UZI Z8-1 Industrial XEP11U Sn-Pb SY100EP11UZITR(2) Z8-1 Industrial XEP11U Sn-Pb SY10EP11UKG(3) K8-1 Industrial HP11 with Pb-Free Pb-Free bar-line indicator NiPdAu SY10EP11UKGTR(2, 3) K8-1 Industrial HP11 with Pb-Free Pb-Free bar-line indicator NiPdAu SY100EP11UKG(3) K8-1 Industrial XP11 with Pb-Free Pb-Free bar-line indicator NiPdAu SY100EP11UKGTR(2, 3) K8-1 Industrial XP11 with Pb-Free Pb-Free bar-line indicator NiPdAu SY10EP11UZG(3) Z8-1 Industrial HEP11U with Pb-Free Pb-Free bar-line indicator NiPdAu SY10EP11UZGTR(2, 3) Z8-1 Industrial HEP11U with Pb-Free Pb-Free bar-line indicator NiPdAu SY100EP11UZG(3) Z8-1 Industrial XEP11U with Pb-Free Pb-Free bar-line indicator NiPdAu SY100EP11UZGTR(2, 3) Z8-1 Industrial XEP11U with Pb-Free Pb-Free bar-line indicator NiPdAu Notes: 1. Contact factory for die availability. Dice are guaranteed at TA = 25°C, DC Electricals only. 2. Tape and Reel. 3. Pb-Free package is recommended for new designs. M9999-111605 [email protected] or (408) 955-1690 2 ECL Pro™ SY10EP11U SY100EP11U Micrel, Inc. ABSOLUTE MAXIMUM RATINGS(1) Symbol Rating VCC — VEE Power Supply Voltage VIN Input Voltage (VCC = 0V, VIN not more negative than VEE) Input Voltage (VEE = 0V, VIN not more positive than VCC) IOUT Output Current TA Operating Temperature Range TLEAD Lead Temperature (soldering, 20sec.) Tstore Storage Temperature Range θJA Package Thermal Resistance (Junction-to-Ambient) θJC Value Unit 6V V –6.0 to 0 +6.0 to 0 V V 50 100 mA –40 to +85 °C 260 °C –65 to +150 °C –Continuous –Surge –Still-Air –500lfpm (SOIC) (SOIC) 160 109 °C/W –Still-Air –500lfpm (MSOP) (MSOP) 206 155 °C/W (SOIC) (MSOP) 39 39 °C/W Package Thermal Resistance (Junction-to-Case) Note: 1. Permanent device damage may occur if absolute maximum ratings are exceeded. This is a stress rating only and functional operation is not implied at conditions other than those detailed in the operational sections of this data sheet. Exposure to absolute maximum ratlng conditions for extended periods may affect device reliability. DC ELECTRICAL CHARACTERISTICS(1) TA = –40°C Symbol TA = +25°C TA = +85°C Parameter Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Power Supply Voltage (PECL) (LVPECL) (ECL) (LVECL) 4.5 2.37 –5.5 –3.8 5.0 — –5.0 –3.3 5.5 3.8 –4.5 –2.37 4.5 2.37 –5.5 –3.8 5.0 — –5.0 –3.3 5.5 3.8 –4.5 –2.37 4.5 2.37 –5.5 –3.8 5.0 — –5.0 –3.3 5.5 3.8 –4.5 –2.37 Power Supply Current SY10EP11U SY100EP11U — — — — 37 44 — — 25 30 39 44 — — — — 40 44 mA mA IIH Input HIGH Current — — 150 — — 150 — — 150 µA VIN = VIH IIL Input LOW Current 0.5 –150 — — — — 0.5 –150 — — — — 0.5 –150 — — — — µA µA VIN = VIL VIN = VIL CIN Input Capacitance (MSOP) (SOIC) — — — — — — — — 1.0 1.35 — — — — — — — — pF pF VCC IEE D /D Unit Condition V Note: 1. 10/100KEP circuits are designed to meet the DC specifications shown in the above table after thermal equilibrium has been established. The circuit is in a test socket or mounted on a printed circuit board and traverse airflow greater than 500lfpm is maintained. M9999-111606 [email protected] or (408) 955-1690 3 ECL Pro™ SY10EP11U SY100EP11U Micrel, Inc. (10KEP) LVPECL DC ELECTRICAL CHARACTERISTICS(1) VCC = 2.5V ±5%, VEE = 0V. TA = –40°C Symbol Parameter TA = +25°C TA = +85°C Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Unit Condition VOL Output LOW Voltage 565 690 815 630 755 880 690 815 940 mV 50Ω to VCC–2V VOH Output HIGH Voltage 1365 1490 1615 1430 1555 1680 1490 1615 1740 mV 50Ω to VCC–2V 1.2 — VCC 1.2 — VCC 1.2 — VCC V VIHCMR Voltage(2) Input HIGH Common Mode Range (10KEP) LVPECL DC ELECTRICAL CHARACTERISTICS(1) VCC = 3.3V ±10%, VEE = 0V. TA = –40°C Symbol TA = +25°C TA = +85°C Parameter Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Unit VIL Input LOW Voltage (Single-Ended) 1365 — 1690 1430 — 1755 1490 — 1815 mV VIH Input HIGH Voltage (Single-Ended) 2090 — 2415 2155 — 2480 2215 — 2540 mV VOL Output LOW Voltage 1365 1490 1615 1430 1555 1680 1490 1615 1740 mV 50Ω to VCC–2V VOH Output HIGH Voltage 2165 2290 2415 2230 2355 2480 2290 2415 2540 mV 50Ω to VCC–2V 1.2 — VCC 1.2 — VCC 1.2 — VCC V VIHCMR Voltage(2) Input HIGH Common Mode Range Condition (10KEP) PECL DC ELECTRICAL CHARACTERISTICS(1) VCC = 5.0V ±10%, VEE = 0V. TA = –40°C Symbol TA = +25°C TA = +85°C Parameter Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Unit Condition VIL Input LOW Voltage (Single-Ended) 3065 — 3390 3130 — 3455 3190 — 3515 mV VIH Input HIGH Voltage (Single-Ended) 3790 — 4115 3855 — 4180 3915 — 4240 mV VOL Outuput LOW Voltage 3065 3190 3315 3130 3255 3380 3190 3315 3440 mV 50Ω to VCC–2V VOH Output HIGH Voltage 3865 3990 4115 3930 4055 4180 3990 4115 4240 mV 50Ω to VCC–2V VIHCMR Input HIGH Voltage(2) Common Mode Range 1.2 — VCC 1.2 — VCC 1.2 — VCC V No tes: 1. 10KEP circuits are designed to meet the DC specifications shown in the above table after thermal equilibrium has been established. The circuit is in a test socket or mounted on a printed circuit board and traverse airflow greater than 500lfpm is maintained. Input and output parameters are at VCC = 2.5V. They vary 1:1 with VCC. 2. The VIHCMR range is referenced to the most positive side of the differential input signal. See “Input Waveform” section. Single-ended input CLK pin operation is limited to VCC ≥ 3.0V in PECL mode. M9999-111605 [email protected] or (408) 955-1690 4 ECL Pro™ SY10EP11U SY100EP11U Micrel, Inc. (10KEP) ECL/LVECL DC ELECTRICAL CHARACTERISTICS(3) VCC = 0V, VEE = –5.5V to –2.375V. TA = –40°C Symbol Parameter Min. Typ. TA = +25°C Max. Min. Typ. TA = +85°C Max. Min. Typ. Max. Unit Condition VIL Input LOW Voltage (Single-Ended) –1935 — –1610 –1870 — –1545 –1810 — –1485 mV VIH Input HIGH Voltage (Single-Ended) –1210 — –885 — –820 — –760 mV VOL Outuput LOW Voltage –1935 –1810 –1685 –1870 –1745 –1620 –1810 –1685 –1560 mV 50Ω to VCC–2V VOH Output HIGH Voltage –1135 –1010 –885 –760 mV 50Ω to VCC–2V VEE +1.2 0.0 0.0 V VIHCMR Voltage(4) Input HIGH Common Mode Range –1145 –1070 –945 –820 VEE +1.2 0.0 –1085 –1010 –885 VEE +1.2 (100KEP) LVPECL DC ELECTRICAL CHARACTERISTICS(3) VCC = 2.5V ±5%. TA = –40°C Symbol Parameter TA = +25°C TA = +85°C Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Unit Condition VOL Outuput LOW Voltage 555 680 805 555 680 805 555 680 805 mV 50Ω to VCC–2V VOH Output HIGH Voltage 1355 1480 1605 1355 1480 1605 1355 1480 1605 mV 50Ω to VCC–2V VIHCMR Input HIGH Voltage(4) Common Mode Range 1.2 — VCC 1.2 — VCC 1.2 — VCC V (100KEP) LVPECL DC ELECTRICAL CHARACTERISTICS(3) VCC = 3.3V ±10%, VEE = 0V. TA = –40°C Symbol TA = +25°C TA = +85°C Parameter Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Unit VIL Input LOW Voltage (Single-Ended) 1355 — 1675 1355 — 1675 1355 — 1675 mV VIH Input HIGH Voltage (Single-Ended) 2075 — 2420 2075 — 2420 2075 — 2420 mV VOL Output LOW Voltage 1355 1480 1605 1355 1480 1605 1355 1480 1605 mV 50Ω to VCC–2V VOH Output HIGH Voltage 2155 2280 2405 2155 2280 2405 2155 2280 2405 mV 50Ω to VCC–2V 1.2 — VCC 1.2 — VCC 1.2 — VCC V VIHCMR Voltage(4) Input HIGH Common Mode Range Condition Notes: 3. 10KEP circuits are designed to meet the DC specifications shown in the above table after thermal equilibrium has been established. The circuit is in a test socket or mounted on a printed circuit board and traverse airflow greater than 500lfpm is maintained. 4. The VIHCMR range is referenced to the most positive side of the differential input signal. See “Input Waveform” section. Single-ended input CLK pin operation is limited to VEE ≤ –3.0V in ECL/LVECL mode. M9999-111606 [email protected] or (408) 955-1690 5 ECL Pro™ SY10EP11U SY100EP11U Micrel, Inc. (100KEP) PECL DC ELECTRICAL CHARACTERISTICS(5) VCC = 5.0V ±10%, VEE = 0V. TA = –40°C Symbol TA = +25°C TA = +85°C Parameter Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Unit VIL Input LOW Voltage (Single-Ended) 3055 — 3375 3055 — 3375 3055 — 3375 mV VIH Input HIGH Voltage (Single-Ended) 3775 — 4120 3775 — 4120 3775 — 4120 mV VOL Outuput LOW Voltage 3055 3180 3305 3055 3180 3305 3055 3180 3305 mV 50Ω to VCC–2V VOH Output HIGH Voltage 3855 3980 4105 3855 3980 4105 3855 3980 4105 mV 50Ω to VCC–2V 2.0 — VCC 2.0 — VCC 2.0 — VCC V VIHCMR Voltage(6) Input HIGH Common Mode Range Condition Notes: 5. 100KEP circuits are designed to meet the DC specifications shown in the above table after thermal equilibrium has been established. The circuit is in a test socket or mounted on a printed circuit board and traverse airflow greater than 500lfpm is maintained. Input and output parameters are at VCC = 5.0V. They vary 1:1 with VCC. 6. The VIHCMR range is referenced to the most positive side of the differential input signal. See “Input Waveform” section. Single-ended input CLK pin operation is limited to VCC ≥ 3.0V in PECL mode. (100KEP) ECL/LVECL DC ELECTRICAL CHARACTERISTICS(7) VCC = 0V, VEE = –5.5V to –2.375V. TA = –40°C Symbol Parameter Min. Typ. TA = +25°C Max. Min. Typ. TA = +85°C Max. Min. Typ. Max. Unit Condition VIL Input LOW Voltage (Single-Ended) –1945 — –1625 –1945 — –1625 –1945 — –1625 mV VIH Input HIGH Voltage (Single-Ended) –1225 — –880 — –880 — –880 mV VOL Outuput LOW Voltage –1945 –1820 –1695 –1945 –1820 –1695 –1945 –1820 –1695 mV 50Ω to VCC–2V VOH Output HIGH Voltage –1145 –1020 –895 –1145 –1020 –895 –1145 –1020 –895 mV 50Ω to VCC–2V VEE +1.2 0.0 VEE +1.2 0.0 VEE +1.2 0.0 V VIHCMR Voltage(8) Input HIGH Common Mode Range –1225 –1225 Notes: 7. 100KEP circuits are designed to meet the DC specifications shown in the above table after thermal equilibrium has been established. The circuit is in a test socket or mounted on a printed circuit board and traverse airflow greater than 500lfpm is maintained. 8. The VIHCMR range is referenced to the most positive side of the differential input signal. See “Input Waveform” section. Single-ended input CLK pin operation is limited to VEE ≤ –3.0V in ECL/LVECL mode. M9999-111605 [email protected] or (408) 955-1690 6 ECL Pro™ SY10EP11U SY100EP11U Micrel, Inc. AC ELECTRICAL CHARACTERISTICS VCC = 0V; VEE = –5.5V to –2.375V or VCC = 2.375V to 5.5V, VEE = 0V. TA = –40°C Symbol Parameter TA = +25°C TA = +85°C Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Unit 3 — — 3 — — 3 — — GHz Propagation Delay (Differential) D to Q, /Q D to Q, /Q 140 170 200 230 250 300 160 180 220 240 270 310 180 210 240 270 300 360 ps ps Within-Device Skew(10)Q, /Q — 5 20 — 5 20 — 5 20 ps — — — — 130 110 — — — — 130 110 — — — — 150 120 ps ps — 0.2 <1 — 0.2 <1 — 0.2 <1 psRMS fMAX Max. Toggle Frequency(9) tPLH tPHL tSKEW Part-to-Part Skew(10) tJITTER Cycle-to-Cycle Jitter (RMS) VDIFF Input Swing(11) 150 800 1200 150 800 1200 150 800 1200 mV tr, tf Output Rise/Fall Time (20% to 80%) 70 110 170 80 120 180 100 140 200 ps Condition VCC = 3.3/5V VCC = 2.5V VCC = 3.3/5V VCC = 2.5V Notes: 9. Measured with 750mV input signal, 50% duty cycle. All loading with a 50Ω to VCC –2.0V. 10. Skew is measured between outputs under identical transitions. Duty cycle skew is defined only for differential operation when the delays are measured from the cross point of the inputs to the cross point of the outputs. 11. See “Input Waveform.” INPUT WAVEFORM D VIHCMR VDIFF =150mV to 1200mV /D M9999-111606 [email protected] or (408) 955-1690 7 ECL Pro™ SY10EP11U SY100EP11U Micrel, Inc. TERMINATION RECOMMENDATIONS +3.3V +3.3V ZO = 50Ω R1 130Ω R1 130Ω +3.3V R2 82Ω R2 82Ω Vt = VCC –2V ZO = 50Ω Figure 1. Parallel Termination–Thevenin Equivalent Notes: 1. For +2.5V systems: R1 = 250Ω, R2 = 62.5Ω. 2. For +5.0V systems: R1 = 82Ω. +5.0V or +3.3V +5.0V or +3.3V Z = 50Ω Z = 50Ω R2 = 130Ω 50Ω 50Ω “source” “destination” 50Ω Rb Figure 2. Three-Resistor “Y–Termination” Notes: 1. Power-saving alternative to Thevenin termination. 2. Place termination resistors as close to destination inputs as possible. 3. Rb resistor sets the DC bias voltage equal to Vt. For +3.3V systems Rb = 46Ω to 50Ω. For +5V systems, Rb = 110Ω. M9999-111605 [email protected] or (408) 955-1690 8 ECL Pro™ SY10EP11U SY100EP11U Micrel, Inc. 8-PIN MSOP (K8-1) Rev. 01 M9999-111606 [email protected] or (408) 955-1690 9 ECL Pro™ SY10EP11U SY100EP11U Micrel, Inc. 8-PIN SOIC (Z8-1) Rev. 03 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 datasheet 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’s use or sale of Micrel Products for use in life support appliances, devices or systems is at Purchaser’s own risk and Purchaser agrees to fully indemnify Micrel for any damages resulting from such use or sale. © 2005 Micrel, Incorporated. M9999-111605 [email protected] or (408) 955-1690 10