EURO
QUARTZ
7 x 5mm Low Power Oscillator
FEATURES
Industry-standard 7.0mm x 5.0mm package
Frequency Range 250kHz to 50MHz
Low supply current <1.7mA at 1.8V supply
Supply voltage range, 1.8V, 2.5V or 3.3Volts
Tristate function to conserve power
Available over 'MIL' temperature range -55°~+105°C
DESCRIPTION
XOK91 oscillators are ideal for battery operated portable or hand-
held consumer electronic devices where small size and low supply
current consumption is essential. A XOK91 oscillator at 27MHz and
1.8 Volts supply consumes less than 1.7mA in operating mode and
less than 2 micro Amps in disabled mode. The oscillator is available
with supply voltage 1.8, 2.5 or 3.3 Volts.
SPECIFICATION
Frequency Range:
Frequency Stability
Commercial:
Industrial:
Output Logic:
Rise/Fall Time:
Current:
Symmetry:
Start-up Time:
Load:
Voltage Sensitivity:
Period Jitter (RMS)
250kHz to 50.0MHz
±25ppm to ±100ppm -10° to +70°C
±25ppm to ±100ppm -40° to +85°C
HCMOS
4ns typical (10% to 90%Vdd)
45% minimum, 55% maximum
10ms typical (Vdd reaches 1.62V)
15pF
±0.8ppm typical (10%Vdd variation)
2.1ps typical with capacitive
decoupling between Vdd and Gnd.
Supply Voltage (±10%)
+1.8V
+2.5V
+3.3V
XOK91 Series Oscillators
250kHz to 50.0MHz
OUTLINE & DIMENSIONS
Supply Voltage
Dependant Parameters
Output Voltage HIGH ‘1’:
Output Voltage LOW ‘0’:
10.000MHz
13.500MHz
16.000MHz
Current
20.945MHz
Consumption
25.000MHz
mA typical
27.000MHz
30.000MHz
38.000MHz
50.000MHz
+1.40Vmin. +2.0Vmin. +2.4Vmin.
+0.2Vmax. +0.3Vmax. +0.4Vmax.
0.66mA
0.88mA
1.05mA
1.34mA
1.54mA
1.69mA
1.93mA
2.27mA
2.60mA
0.96mA
1.28mA
1.51mA
1.86mA
2.17mA
2.35mA
2.74mA
3.26mA
3.90mA
1.42mA
1.82mA
2.12mA
2.58mA
3.00mA
3.25mA
3.77mA
4.48mA
4.95mA
SOLDER TEMPERATURE PROFILE
Tristate (Pad 1 grounded): 2uA typical 4uA max. (oscillator is off)
PART NUMBERING
Example:
27.000MHz XOK91050UCTC
Frequency
Series Designation XOK91
Stability
100 = ±100ppm
050 = ±50ppm
025 = ±25ppm
Output Universal (HCMOS)
Operating Temp. Range
C = Commercial (-10°~70°C)
I = Industrial (-40°~+85°C)
M = Military (-55° to +105°C)(±100ppm)
Tristate Function
Supply Voltage
A = 3.3 Volts
B = 2.5 Volts
C = 1.8 Volts
PHASE NOISE
Offset
dBc/Hz
NOTES
Pad 1 Options:
100Hz
-80
1kHz
-110
10kHz
-130
100kHz
-138
1MHz
-145
Ageing:
ESD Protection:
Packaging:
Pad 1 connected to ground, output disabled
No connection/Logic HIGH, output enabled
Disable time 10ms typical
Enable time 10ms typical
±5ppm per year max.
2000V max., human body model
16mm tape, 8mm pitch. 1000 pieces/reel
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk
