MICROPROCESSOR CRYSTAL UNITS SERIES A, B, C FEATURES HC-49/U, HC-51/U, AND UM-1 EXCELLENT CLOCK SIGNAL GENERATOR FOR CPUs WIDE FREQUENCY RANGE INDUSTRY STANDARD PACKAGES SPECIFICATIONS FREQUENCY RANGE 100.00 KHz TO 300.00 MHz A: HC-49/U 1.00 MHz TO 300.00 MHz HOLDER TYPES B: HC-51/U 100.00 KHz TO 4.00 MHz C: UM-1 8.00 MHz TO 300.00 MHz 30 PPM TYPICAL FREQUENCY TOLERANCE AT 25 C 50 PPM MAXIMUM 50 PPM TYPICAL FREQUENCY STABILITY OVER TEMPERATURE 100 PPM MAXIMUM -20 C TO +70 C STANDARD OPERATING TEMPERATURE RANGE -40 C TO +85 C EXTENDED STORAGE TEMPERATURE RANGE -55 C TO +125 C AGING 5 PPM PER YEAR MAXIMUM LOAD CAPACITANCE 10 TO 32 pF 0R SERIES SHUNT CAPACITANCE 7 pF MAXIMUM EQUIVALENT SERIES RESISTANCE (ESR) SEE PAGE 11 0.1 mW TYPICAL DRIVE LEVEL 1 mW MAXIMUM 5 PPM MAXIMUM 75 cm DROP TEST IN 3 AXES ONTO A HARD SHOCK RESISTANCE SURFACE OR 1000 gs x 0.5 ms x SINEWAVE IN 3 AXES FREQUENCY RANGE AND MODE OF OSCILLATION BY HOLDER TYPE FUNDAMENTAL THIRD OVERTONE FIFTH OVERTONE SEVENTH OVERTONE NINTH OVERTONE HOLDER TYPE (FUND) (3OT) (5OT) (7OT) (9OT) TYPE A: HC-49/U 1.00 MHz TO 65.00 MHz 20.00 MHz TO 90.00 MHz 60.00 MHz TO 130.00 MHz 125.00 MHz TO 200.00 MHz 180.00 MHz TO 300.00 MHz TYPE B: HC-51/U 100.00 KHz TO 4.00 MHz TYPE C: UM-1 8.00 MHz TO 65.00 MHz 25.00 MHz TO 90.00 MHz 60.00 MHz TO 130.00 MHz 125.00 MHz TO 200.00 MHz 180.00 MHz TO 300.00 MHz PART NUMBERING SYSTEM EXTENDED HOLDER TYPE FREQUENCY LOAD CAPACITANCE MODE TEMPERATURE F FUNDAMENTAL - - - - A HC-49/U 3OT THIRD OVERTONE 10 TO 32pF FOR PARALLEL B HC-51/U IN MHz 5OT FIFTH OVERTONE EXT S FOR SERIES C UM-1 7OT SEVENTH OVERTONE 9OT NINTH OVERTONE MECHANICAL OPTIONS TAPE AND REEL THIRD LEAD - THREE PIN BASE SPACER SLEEVE (TOP OF HOUSING) - - - TR 3PIN 3RD SP SL FUNDAMENTAL MODE NOT NEEDED IN PART NUMBER EXAMPLE: A-4.000-S A-3.579545-18-EXT-3PIN-SP-SL-TR C-65.000-S-30T RAMI TECHNOLOGY 10651 NW 19th St. Miami, Florida 33172 U.S.A. Tel: 305-593-8000 Fax: 305-593-8487 e-mail: sales ramitechnology.com web: www.ramitechnology.com .030 DIA OUTLINE DRAWINGS FOR MICROPROCESSOR CRYSTALS 0.35 DIA 0.43 DIA .014 DIA .017 DIA 0.76 DIA 4.88 3.76 .192 .148 12.34 .486 7.90 MAX 11.05 MAX .311 MAX .435 MAX 19.23 MAX .757 MAX TYPE A (HC-49/U) TYPE B (HC-51/U) TYPE C (UM-1) PACKAGE OPTIONS TRANSPARENT PLASTIC SLEEVING 0.43 DIA .017 DIA 4.88 .192 TRANSPARENT PLASTIC SLEEVING 11.05 MAX .435 MAX THIRD LEAD OPTION: 3RD PLASTIC SLEEVE OPTION: SL 4.88 3 X 0.46 DIA .192 2.44 3 X .018 DIA .192 0.43 DIA .017 DIA 4.88 10.66 .192 .420 2.44 .096 11.05 MAX .435 MAX 3 LEAD BASE OPTION: 3PIN PLASTIC SPACER OPTION: SP RAMI TECHNOLOGY 10651 NW 19th St. Miami, Florida 33172 U.S.A. Tel: 305-593-8000 Fax: 305-593-8487 e-mail: sales ramitechnology.com web: www.ramitechnology.com 19.70 MAX 4.65 MAX .352 MAX 8.00 MAX .776 MAX .315 MAX 12.00 MIN 8.94 MAX .183 MAX 20.0 MIN 13.5 MAX 4.65 MAX .787 MIN .183 MAX .530 MAX .787 MIN 0.5 MAX .02 MAX 4.75 MAX 12.00 MIN 13.49 MAX 4.57 .187 MAX .472 MIN .531 MAX .180 .130 MAX 13.49 MAX .472 MIN .472 MIN .531 MAX 3.30 MAX 20.0 MIN 12.00 MIN