Clock Oscillators ( Ultra Low Current , CMOS / Square Wave ) Mercury " HK53 " series ( 5.0 * 3.2 * 1.2 mm ) " HK57 " series ( 7.0 * 5.0 * 1.4 mm ) Since 1973 ● HK series is specifically designed for battary operated portable or hand-held consumer electronic devices where small size and low current consumption are mandatory . ● HK series 27.000 MHz consumes less than 1.7 mA at operation mode of +1.8V and less than 2 uA at disabled mode . ● Phase noise is -130 dBc/Hz at 10 KHz offset . ● HK series can operate at voltage as low as 1.8 V . General Specifications TA = +25°C , VDD= at specified voltage , Load : 15 pF Model Frequency Range HK53 HK57 0.37 ~ 50.0 MHz 0.25 ~ 50.0 MHz +1.8 V ± 10% +2.5 V ± 10% +3.3 V ± 10% +1.8 V ± 10% +2.5 V ± 10% +3.3 V ± 10% " 18 " " 25 " " 33 " " 18 " " 25 " " 33 " Output Voltage High " 1 " ( VOH ) + 1.4 V ( min.) + 2.0 V ( min.) + 2.4 V ( min.) + 1.4 V ( min.) + 2.0 V ( min.) + 2.4 V ( min.) Output Voltage Low " 0 " ( VOL ) + 0.2 V ( max.) + 0.3 V ( max.) + 0.4 V ( max.) + 0.2 V ( max.) + 0.3 V ( max.) + 0.4 V ( max.) 1.5 mA Input Voltage Range ( VDD ) Supply Voltage Code Current Consumption mA , ( typical ) 10.000 MHz --- --- --- 0.7 mA 1.0 mA 13.500 MHz --- --- --- 0.9 mA 1.3 mA 1.9 mA 16.000 MHz 1.1 mA 1.6 mA 2.2 mA 1.1 mA 1.6 mA 2.2 mA 20.945 MHz 1.4 mA 1.9 mA 2.6 mA 1.4 mA 1.9 mA 2.6 mA 25.000 MHz 1.6 mA 2.2 mA 3.1 mA 1.6 mA 2.2 mA 3.1 mA 27.000 MHz 1.7 mA 2.4 mA 3.3 mA 1.7 mA 2.4 mA 3.3 mA 30.000 MHz 2.0 mA 2.8 mA 3.8 mA 2.0 mA 2.8 mA 3.8 mA 38.000 MHz 2.3 mA 3.3 mA 4.5 mA 2.3 mA 3.3 mA 4.5 mA 50.000 MHz 2.70 mA 4.0 mA 5.0 mA 2.70 mA 4.0 mA 5.0 mA Rise Time ( Tr ) / Fall Time ( Tf ) 4 n sec. ( typical ) when measured from ( 10% VDD ↔ 90% VDD ) Fanout ( Drive Capability ) 12 mA ( typical ) ; as TTL output ( +3.3V ) Duty Cycle ( at 50% of wave form ) 50% ± 5% . measured at +1.4V VD.C. Start -up Time ( Ts ) 10 m sec. ( typical ) ; VDD reaches 1.62 V Load 15 pF Voltage Sensitivity ± 0.8 ppm ( typical ) with 10% variation of VDD Frequency Stability over Operating Temperature Range Frequency Stability (1) Codes Commercial ( -10°C to +70°C ) If non-standard , please enter ± 25 ppm ± 50 ppm ± 100 ppm the desired stability after the A B C " C " or " I " represents ( e.g. "C20" ±20 ppm over Industrial ( -40°C to +85°C ) D E F 0°C to +70°C ; " I20 " represents ± 20 ppm over -40°C to +85°C ) Storage Temperature - 50°C to 100°C Aging ± 5 ppm per year (max.) When connected to ground : Output is disabled ( oscillator is off ) Tri-state Function on pad No. 1 When no connected or connected to logic high : Clock output Disable time is 10 m sec. ( typical ) Enable time ( when ground is removed from pad 1 ) is 10 m sec. max. Note : (1) Inclusive of 25°C tolerance , operating temperature range , ±10% input voltage variation , load change , aging , shock and vibration. Mercury www .mercury-crystal.com ■Taiwan : Tel (886)-2-2406-2779 / [email protected] ■U.S.A: Tel: (1)-909-466-0427 / [email protected] ■China: Tel: (86)-512-5763-8100 / [email protected]