HK57 Datasheet, PDF (1/1 Pages) Mercury United Electronics Inc – Ultra Small SMD seam sealed clock crystal oscillator units.

Clock Oscillators [ Ultra Low Currentn ]
HK57 series
1.8 V
SMD CMOS output
7.0 x 5.0 x 1.4 mm
Features
● Ultra Small SMD seam sealed clock crystal oscillator units.
● Tri-state function available.
Applications
● Designed for hand-held consumer electronic devices requiring a low current consumption .
● Less than 1.7 mA current consumption for 27 MHz at 1.8V and less than 2 uA at disabled mode .
● Phase noise is -130 dBc/Hz at 10 KHz offset
● 1.8V, 2.5V or 3.3V supply voltages.
General Specifications
Paramenters
Input Voltage ( V_DD)
Frequency Range
Output Wave Form
Output Logic High " 1 "
Output Logic Low " 0 "
Current Consumption ( typical )
Output Load
Rise Time ( Tr ) / Fall Time ( Tf )
Fanout ( Drive Capability )
Duty Cycle
Start - Up Time (Ts)
Storage Temperature
Voltage Sensitivity
Aging
Frequency Stability over
Operating Temperature Range
Frequency Stability ⁽¹⁾ Codes Commercial ( -10°C to +70°C )
Industrial ( -40°C to +85°C )
Electrical Spec.
1.8 V ± 5 %
0.25 ~ 50.0 MHz
CMOS output
1.4 V ( min. ) [ 90 % of V_DD ]
0.2 V ( max. ) [ 10 % of VDD ]
16.000 MHz
1.1 mA
30.000 MHz
2.0 mA
20.945 MHz
1.3 mA
38.000 MHz
2.3 mA
25.000 MHz
1.6 mA
50.000 MHz
2.7 mA
15 pF
4.0 ns ( typ.) [ 25 MHz PLL off ]
12 mA ( typical )
50% ± 5% [ measured at 1.4 VD.C ]
10 m sec.( typical ) ; V_DD reaches 1.62 V
- 50°C to 100°C
± 0.8 ppm ( typical ) with 10% variation of V_DD
± 3 ppm per year (max.)
If non-standard , please enter the
± 25 ppm ± 50 ppm ± 100 ppm
desired stability after the " C " or " I "
For example :
A
B
C
" C20 " ±20 ppm over -10°C to +70°C ;
" I20 " ± 20 ppm over -40°C to +85°C
D
E
F
Outline Dimensions ( Unit : mm )
Mercury www .mercury-crystal.com
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