MC100E310 5V ECL Low Voltage 2:8 Differential Fanout Buffer Description The MC100E310 is a low voltage, low skew 2:8 differential ECL fanout buffer designed with clock distribution in mind. The device features fully differential clock paths to minimize both device and system skew. The E310 offers two selectable clock inputs to allow for redundant or test clocks to be incorporated into the system clock trees. The lowest TPD delay time results from terminating only one output pair, and the greatest TPD delay time results from terminating all the output pairs. This shift is about 10−20 pS in TPD. The skew between any two output pairs within a device is typically about 25 nS. If other output pairs are not terminated, the lowest TPD delay time results from both output pairs and the skew is typically 25 nS. When all outputs are terminated, the greatest TPD (delay time) occurs and all outputs display about the same 10 − 20 ps increase in TPD, so the relative skew between any two output pairs remains about 25 ns. For more information on using PECL, designers should refer to ON Semiconductor Application Note AN1406/D. The VBB pin, an internally generated voltage supply, is available to this device only. For single-ended input conditions, the unused differential input is connected to VBB as a switching reference voltage. VBB may also rebias AC coupled inputs. When used, decouple VBB and VCC via a 0.01 mF capacitor and limit current sourcing or sinking to 0.5 mA. When not used, VBB should be left open. The 100 Series Contains Temperature Compensation • • • • PLCC−28 FN SUFFIX CASE 776 MARKING DIAGRAM* 1 28 MC100E310FNG AWLYYWW A WL YY WW G = Assembly Location = Wafer Lot = Year = Work Week = Pb−Free Package *For additional marking information, refer to Application Note AND8002/D. Features • • • • • • http://onsemi.com Dual Differential Fanout Buffers 200 ps Part−to−Part Skew 50 ps Output−to−Output Skew 28−lead PLCC Packaging Q Output will Default LOW with Inputs Open or at VEE PECL Mode Operating Range: VCC = 4.2 V to 5.7 V with VEE = 0 V NECL Mode Operating Range: VCC = 0 V with VEE = −4.2 V to −5.7 V Internal Input 50 kW Pulldown Resistors ESD Protection: Human Body Model; >2 kV, Machine Model; >200 V Meets or Exceeds JEDEC Spec EIA/JESD78 IC Latchup Test ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 6 of this data sheet. • Moisture Sensitivity Level: Pb = 1; Pb−Free = 3 • • • For Additional Information, see Application Note AND8003/D Flammability Rating: UL 94 V−0 @ 0.125 in, Oxygen Index: 28 to 34 Transistor Count = 212 devices Pb−Free Packages are Available* *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. © Semiconductor Components Industries, LLC, 2009 January, 2009 − Rev. 6 1 Publication Order Number: MC100E310/D MC100E310 Q0 Q0 25 24 Q1 VCCO Q1 23 22 21 Q2 Q2 20 19 Q0 Q0 Q1 VEE 26 18 Q3 Q1 CLK_SEL 27 17 Q3 Q2 CLKa 28 16 Q4 VCC Pinout: 28−Lead PLCC (Top View) 1 15 VCCO CLKa 2 14 Q4 VBB 3 13 Q5 CLKb 4 12 Q5 5 6 7 8 9 10 11 Q7 Q6 Q6 Q2 CLKa Q3 CLKa Q3 CLKb Q4 CLKb Q4 Q5 CLK_SEL Q5 Q6 Q6 CLKb NC Q7 VCCO Q7 * All VCC and VCCO pins are tied together on the die. Q7 Warning: All VCC, VCCO, and VEE pins must be externally connected to Power Supply to guarantee proper operation. VBB Figure 1. Logic Diagram and Pinout Assignment Figure 2. Logic Symbol Table 1. PIN DESCRIPTION PIN CLKa, CLKb; CLKa, CLKb Q0:7; Q0:7 CLK_SEL VBB VCC, VCCO VEE NC Table 2. FUNCTION TABLE Function PIN ECL Differential Input Pairs ECL Differential Input Pairs ECL Differential Outputs ECL Input Clock Select Reference Voltage Output Positive Supply Negative Supply No Connect 0 1 http://onsemi.com 2 Function CLKa Selected CLKb Selected MC100E310 Table 3. MAXIMUM RATINGS Symbol Parameter Condition 1 Rating Unit 8 V 6 −6 V V 50 100 mA mA ± 0.5 mA Operating Temperature Range −40 to +85 °C Storage Temperature Range −65 to +150 °C PLCC−28 PLCC−28 63.5 43.5 °C/W °C/W PLCC−28 22 to 26 °C/W 265 265 °C VCC PECL Mode Power Supply VEE = 0 V VI PECL Mode Input Voltage NECL Mode Input Voltage VEE = 0 V VCC = 0 V Iout Output Current Continuous Surge IBB VBB Sink/Source TA Tstg qJA Thermal Resistance (Junction−to−Ambient) 0 lfpm 500 lfpm qJC Thermal Resistance (Junction−to−Case) Standard Board Tsol Wave Solder Pb Pb−Free Condition 2 VI v VCC VI w VEE Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. http://onsemi.com 3 MC100E310 Table 4. 100E SERIES PECL DC CHARACTERISTICS VCCx = 5.0 V; VEE = 0 V (Note 1) −40°C Symbol Characteristic Min 25°C Typ Max 55 60 Min 85°C Typ Max 55 60 Min Typ Max Unit 65 70 mA IEE Power Supply Current VOH Output HIGH Voltage (Note 2) 3915 3995 4120 3975 4050 4120 3975 4050 4120 mV VOL Output LOW Voltage (Note 2) 3170 3305 3445 3190 3255 3380 3190 3260 3380 mV VIH Input HIGH Voltage (Single−Ended) 3835 3975 4120 3835 3975 4120 3835 3975 4120 mV VIL Input LOW Voltage (Single−Ended) 3190 3355 3525 3190 3355 3525 3190 3355 3525 mV VBB Output Voltage Reference 3.62 3.74 3.62 3.74 3.62 3.74 V VIHCMR Input HIGH Voltage Common Mode Range (Differential Configuration) (Note 3) 2.7 4.6 2.7 4.6 2.7 4.6 V IIH Input HIGH Current 150 mA IIL Input LOW Current 150 0.5 0.3 150 0.5 0.25 0.5 0.2 mA NOTE: 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 500 lfpm. Electrical parameters are guaranteed only over the declared operating temperature range. Functional operation of the device exceeding these conditions is not implied. Device specification limit values are applied individually under normal operating conditions and not valid simultaneously. 1. Input and output parameters vary 1:1 with VCC. VEE can vary −0.46 V / +0.8 V. 2. Outputs are terminated through a 50 W resistor to VCC − 2.0 V. 3. VIHCMR min varies 1:1 with VEE, max varies 1:1 with VCC. Table 5. 100E SERIES NECL DC CHARACTERISTICS VCCx = 0 V; VEE = −5.0 V (Note 4) −40°C Symbol Characteristic Min 25°C Typ Max 55 60 Min 85°C Typ Max 55 60 Min Typ Max Unit 65 70 mA IEE Power Supply Current VOH Output HIGH Voltage (Note 5) −1085 −1005 −880 −1025 −950 −880 −1025 −950 −880 mV VOL Output LOW Voltage (Note 5) −1830 −1695 −1555 −1810 −1745 −1620 −1810 −1740 −1620 mV VIH Input HIGH Voltage (Single−Ended) −1165 −1025 −880 −1165 −1025 −880 −1165 −1025 −880 mV VIL Input LOW Voltage (Single−Ended) −1810 −1645 −1475 −1810 −1645 −1475 −1810 −1645 −1475 mV VBB Output Voltage Reference −1.38 −1.26 −1.38 −1.26 −1.38 −1.26 V VIHCMR Input HIGH Voltage Common Mode Range (Differential Configuration) (Note 6) −2.3 −0.4 −2.3 −0.4 −2.3 −0.4 V IIH Input HIGH Current 150 mA IIL Input LOW Current 150 0.5 0.3 150 0.5 0.25 0.5 0.2 mA NOTE: 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 500 lfpm. Electrical parameters are guaranteed only over the declared operating temperature range. Functional operation of the device exceeding these conditions is not implied. Device specification limit values are applied individually under normal operating conditions and not valid simultaneously. 4. Input and output parameters vary 1:1 with VCC. VEE can vary −0.46 V / +0.8 V. 5. Outputs are terminated through a 50 W resistor to VCC − 2.0 V. 6. VIHCMR min varies 1:1 with VEE, max varies 1:1 with VCC. http://onsemi.com 4 MC100E310 Table 6. AC CHARACTERISTICS VCCx = 5.0 V; VEE= 0 V or VCCx = 0 V; VEE = −5.0 V (Note 7) −40°C Symbol Characteristic Min Typ 900 fMAX Maximum Toggle Frequency 700 tPLH tPHL Propagation Delay to Output IN (differential) (Note 8) IN (single−ended) (Note 9) 525 500 tskew Within−Device Skew (Note 10) Part−to−Part Skew (Diff) tJITTER Random Clock Jitter (RMS) VPP Input Voltage Swing (Differential Configuration) 500 tr/tf Output Rise/Fall Time (20%−80%) 200 25°C Max 725 750 Min Typ 700 900 550 550 85°C Max 750 800 75 250 Min Typ 700 900 575 600 50 200 <1 <1 500 600 200 200 ps ps ps 500 600 Unit MHz 775 850 50 200 <1 Max mV 600 ps NOTE: 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 500 lfpm. Electrical parameters are guaranteed only over the declared operating temperature range. Functional operation of the device exceeding these conditions is not implied. Device specification limit values are applied individually under normal operating conditions and not valid simultaneously. 7. VEE can vary −0.46 V / +0.8 V. 8. The differential propagation delay is defined as the delay from the crossing points of the differential input signals to the crossing point of the differential output signals. See Definitions and Testing of ECLinPS AC Parameters in Chapter 1 (page 1−12) of the ON Semiconductor High Performance ECL Data Book (DL140/D). 9. The single-ended propagation delay is defined as the delay from the 50% point of the input signal to the 50% point of the output signal. 10. The within−device skew is defined as the worst case difference between any two similar delay paths within a single device. http://onsemi.com 5 MC100E310 Zo = 50 W Q D Receiver Device Driver Device Q D Zo = 50 W 50 W 50 W VTT VTT = VCC − 2.0 V Figure 3. Typical Termination for Output Driver and Device Evaluation (See Application Note AND8020/D − Termination of ECL Logic Devices.) ORDERING INFORMATION Package Shipping† MC100E310FN PLCC−28 37 Units / Rail MC100E310FNG PLCC−28 (Pb−Free) 37 Units / Rail MC100E310FNR2 PLCC−28 500 / Tape & Reel MC100E310FNR2G PLCC−28 (Pb−Free) 500 / Tape & Reel Device †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. Resource Reference of Application Notes AN1405/D − ECL Clock Distribution Techniques AN1406/D − Designing with PECL (ECL at +5.0 V) AN1503/D − ECLinPSt I/O SPiCE Modeling Kit AN1504/D − Metastability and the ECLinPS Family AN1568/D − Interfacing Between LVDS and ECL AN1672/D − The ECL Translator Guide AND8001/D − Odd Number Counters Design AND8002/D − Marking and Date Codes AND8020/D − Termination of ECL Logic Devices AND8066/D − Interfacing with ECLinPS AND8090/D − AC Characteristics of ECL Devices http://onsemi.com 6 MC100E310 PACKAGE DIMENSIONS PLCC−28 FN SUFFIX PLASTIC PLCC PACKAGE CASE 776−02 ISSUE E -N- 0.007 (0.180) B Y BRK U T L -M M 0.007 (0.180) M S N T L -M S S N S D -L- Z -M- D W X V 28 1 G1 0.010 (0.250) S T L -M S N S VIEW D-D Z C A 0.007 (0.180) R 0.007 (0.180) M M T L -M T L -M S S N N S H 0.007 (0.180) M T L -M N S S K1 E 0.004 (0.100) G J S K SEATING PLANE F VIEW S G1 0.010 (0.250) -T- T L -M S N 0.007 (0.180) VIEW S S NOTES: 1. DATUMS ‐L‐, ‐M‐, AND ‐N‐ DETERMINED WHERE TOP OF LEAD SHOULDER EXITS PLASTIC BODY AT MOLD PARTING LINE. 2. DIM G1, TRUE POSITION TO BE MEASURED AT DATUM ‐T‐, SEATING PLANE. 3. DIM R AND U DO NOT INCLUDE MOLD FLASH. ALLOWABLE MOLD FLASH IS 0.010 (0.250) PER SIDE. 4. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 5. CONTROLLING DIMENSION: INCH. 6. THE PACKAGE TOP MAY BE SMALLER THAN THE PACKAGE BOTTOM BY UP TO 0.012 (0.300). DIMENSIONS R AND U ARE DETERMINED AT THE OUTERMOST EXTREMES OF THE PLASTIC BODY EXCLUSIVE OF MOLD FLASH, TIE BAR BURRS, GATE BURRS AND INTERLEAD FLASH, BUT INCLUDING ANY MISMATCH BETWEEN THE TOP AND BOTTOM OF THE PLASTIC BODY. 7. DIMENSION H DOES NOT INCLUDE DAMBAR PROTRUSION OR INTRUSION. THE DAMBAR PROTRUSION(S) SHALL NOT CAUSE THE H DIMENSION TO BE GREATER THAN 0.037 (0.940). THE DAMBAR INTRUSION(S) SHALL NOT CAUSE THE H DIMENSION TO BE SMALLER THAN 0.025 (0.635). DIM A B C E F G H J K R U V W X Y Z G1 K1 http://onsemi.com 7 INCHES MIN MAX 0.485 0.495 0.485 0.495 0.165 0.180 0.090 0.110 0.013 0.019 0.050 BSC 0.026 0.032 0.020 — 0.025 — 0.450 0.456 0.450 0.456 0.042 0.048 0.042 0.048 0.042 0.056 — 0.020 2° 10° 0.410 0.430 0.040 — MILLIMETERS MIN MAX 12.32 12.57 12.32 12.57 4.20 4.57 2.29 2.79 0.33 0.48 1.27 BSC 0.66 0.81 0.51 — 0.64 — 11.43 11.58 11.43 11.58 1.07 1.21 1.07 1.21 1.07 1.42 — 0.50 2° 10° 10.42 10.92 1.02 — M T L -M S N S S MC100E310 ECLinPS is a trademark of Semiconductor Components INdustries, LLC (SCILLC). ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. 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