SEMICONDUCTOR TECHNICAL DATA The MC12026 is a high frequency, low voltage dual modulus prescaler used in phase–locked loop (PLL) applications. The MC12026A can be used with CMOS synthesizers requiring positive edges to trigger internal counters such as Motorola’s MC145xxx series in a PLL to provide tuning signals up to 1.1GHz in programmable frequency steps. The MC12026B can be used with CMOS synthesizers requiring negative edges to trigger internal counters. A Divide Ratio Control (SW) permits selection of an 8/9 or 16/17 divide ratio as desired. The Modulus Control (MC) selects the proper divide number after SW has been biased to select the desired divide ratio. MECL PLL COMPONENTS ÷8/9, ÷16/17 DUAL MODULUS PRESCALER NOTE: The “B” Version Is Not Recommended for New Designs • • • • • • • 1.1GHz Toggle Frequency Supply Voltage 4.5V to 5.5V Low Power 4.0mA Typical P SUFFIX 8–LEAD PLASTIC PACKAGE CASE 626–05 Operating Temperature Range of –40°C to +85°C The MC12026 is Pin Compatible With the MC12022 Short Setup Time (tset ) 6ns Typical @ 1.1GHz Modulus Control Input Level is Compatible With Standard CMOS and TTL D SUFFIX 8–LEAD PLASTIC SOIC PACKAGE CASE 751–05 Pinout: 8–Lead Plastic (Top View) IN NC MC GND 8 7 6 5 1 2 3 4 IN VCC SW OUT FUNCTION TABLE SW MC Divide Ratio H H 8 H L 9 L H 16 L L 17 Note: SW: H = VCC, L = OPEN MC: H = 2.0V to VCC; L = GND to 0.8V MAXIMUM RATINGS Symbol Characteristic Range Unit VCC Power Supply Voltage, Pin 2 –0.5 to +7.0 Vdc TA Operating Temperature Range –40 to +85 °C Tstg Storage Temperature Range –65 to +150 °C MC Modulus Control Input, Pin 6 –0.5 to +6.5 Vdc IO Maximum Output Current, Pin 4 10.0 mA 1/97 Motorola, Inc. 1997 1 REV 3 MC12026A MC12026B ELECTRICAL CHARACTERISTICS (VCC = 4.5 to 5.5; TA = –40 to +85°C) Symbol Characteristic Min Typ Max Unit ft Toggle Frequency (Sin Wave) 0.1 1.4 1.1 GHz ICC Supply Current Output Unloaded (Pin 2) — 4.0 5.3 mA VIH1 Modulus Control Input High (MC) 2.0 — VCC V VIL1 Modulus Control Input Low (MC) GND — 0.8 V VIH2 Divide Ratio Control Input High (SW) VCC – 0.5V VCC VCC + 0.5V V VIL2 Divide Ratio Control Input Low (SW) OPEN OPEN OPEN — Vout Output Voltage Swing (RL = 560Ω; IO = 5.5mA)1 (RL = 1.1kΩ; IO = 2.9mA)2 1.0 1.6 — Vp–p tSET Modulus Setup Time MC to Out3 — 6 9 ns Vin Input Voltage Sensitivity 100–250MHz 250–1100MHz 400 100 — — 1000 1000 mVpp 1. Divide Ratio of ÷8/9 at 1.1GHz, CL = 8pF 2. Divide Ratio of ÷16/17 at 1.1GHz, CL = 8pF 3. Assuming RL = 560Ω at 1.1GHz In In D Q D Q C QB C QB D Q QB C M MC 1 D QB D QB C Q C Q 0 SW Out Figure 1. Logic Diagram (MC12026A) Prop. Delay In Out MC Setup MC MC Release Modulus setup time MC to out is the MC setup or MC release plus the prop delay. Figure 2. Modulus Setup Time MOTOROLA 2 HIPERCOMM BR1334 — Rev 4 MC12026A MC12026B VCC = 4.5 to 5.5V C3 SINE WAVE GENERATOR C1 VCC SW IN 50 Ω OUT C2 RL IN MC CL GND EXTERNAL COMPONENTS C1 = C2 = 1000 pF C3 = 0.1µF CL = 8pF (Including Scope and Jig Capacitance) RL = 560Ω (for ÷8/9 at 1.1GHz) MC INPUT Figure 3. AC Test Circuit +15.0 +1257.40 ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ +5.0 0 +397.64 +223.61 OPERATING WINDOW –5.0 AMPLITUDE (dBm) +707.11 –10.0 –15.0 –20.0 +125.74 +70.71 +39.76 +22.36 –25.0 +12.57 –30.0 +7.07 –35.0 +3.98 –40.0 +2.24 –45.0 +1.26 –50.0 0 200 400 600 800 1000 1200 1400 1600 MILLIVOLTS +10.0 +0.71 1800 FREQUENCY (MHz) Figure 4. Input Signal Amplitude versus Input Frequency Divide Ratio = 8; VCC = 5.0V; TA = 25°C AMPLITUDE (dBm) 2000 1200 800 MILLIVOLTS 1600 400 0 200 400 600 800 1000 1200 1400 1600 0 1800 FREQUENCY (MHz) Figure 5. Output Amplitude versus Input Frequency HIPERCOMM BR1334 — Rev 4 3 MOTOROLA MC12026A MC12026B 5.88V 880mV 36.6ns 86.6ns Figure 6. Typical Output Waveform (÷8, 1.1GHz Input Frequency, VCC = 5.0, TA = 25°C, Output Loaded With 8pF) MOTOROLA 4 HIPERCOMM BR1334 — Rev 4 MC12026A MC12026B 200 150 R 100 MHz 50 0 –50 OHMS –100 –150 –200 –250 –300 –350 –400 –450 jX –500 –550 –600 –650 100 200 300 400 500 600 700 800 900 1000 1100 1200 Figure 7. Typical Input Impedance versus Input Frequency HIPERCOMM BR1334 — Rev 4 5 MOTOROLA MC12026A MC12026B OUTLINE DIMENSIONS 8 P SUFFIX PLASTIC PACKAGE CASE 626–05 ISSUE K 5 –B– 1 NOTES: 1. DIMENSION L TO CENTER OF LEAD WHEN FORMED PARALLEL. 2. PACKAGE CONTOUR OPTIONAL (ROUND OR SQUARE CORNERS). 3. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 4 F –A– NOTE 2 L DIM A B C D F G H J K L M N C J –T– N SEATING PLANE D M K G H 0.13 (0.005) M T A M 8 C 5 0.25 H E M B M 1 4 B e h A C X 45 _ q SEATING PLANE 0.10 A1 B 0.25 M L C B S A INCHES MIN MAX 0.370 0.400 0.240 0.260 0.155 0.175 0.015 0.020 0.040 0.070 0.100 BSC 0.030 0.050 0.008 0.012 0.115 0.135 0.300 BSC ––– 10_ 0.030 0.040 M D SUFFIX PLASTIC SOIC PACKAGE CASE 751–05 ISSUE R D A B MILLIMETERS MIN MAX 9.40 10.16 6.10 6.60 3.94 4.45 0.38 0.51 1.02 1.78 2.54 BSC 0.76 1.27 0.20 0.30 2.92 3.43 7.62 BSC ––– 10_ 0.76 1.01 S NOTES: 1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M, 1994. 2. DIMENSIONS ARE IN MILLIMETERS. 3. DIMENSION D AND E DO NOT INCLUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0.15 PER SIDE. 5. DIMENSION B DOES NOT INCLUDE MOLD PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.127 TOTAL IN EXCESS OF THE B DIMENSION AT MAXIMUM MATERIAL CONDITION. DIM A A1 B C D E e H h L q MILLIMETERS MIN MAX 1.35 1.75 0.10 0.25 0.35 0.49 0.18 0.25 4.80 5.00 3.80 4.00 1.27 BSC 5.80 6.20 0.25 0.50 0.40 1.25 0_ 7_ Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola 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 consequential or incidental damages. “Typical” parameters which may be provided in Motorola 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. Motorola does not convey any license under its patent rights nor the rights of others. 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