32.768kHz CERAMIC SMD CRYSTAL OSCILLATOR
ASHK SERIES
FEATURES:
• Ultra low uA current consumption
with CMOS output
• Miniature ceramic package
(4.0 x 2.5 x 0.9mm)
• Operating Temp -40°C to +85°C
• Start up time less than 1 sec with
supply voltage 1.5 to 5.5V
• Tri-state function
• Pb-free reflow capable
Pb
RoHS
Compliant
APPLICATIONS:
• General purpose clock generator
for digital systems
• Clock drivers for Real Time Clocks
• Timekeeping in network servers
and computers
• Electricity, gas and water metering
• Portable field communication
• Mobile phone
4.0 x 2.5 x 0.9 mm
| | | | | | | | | | | | | | |
• Clock & Data recovery
• CCD clock for VTR camera
• Computers and peripherals
• Portable MP3 players & games
STANDARD SPECIFICATIONS:
PARAMETERS
ABRACON P/N
Frequency range:
Operating temperature:
Storage temperature:
Frequency tolerance:
Overall frequency stability:
Supply voltage (Vdd):
Supply current:
Symmetry:
Rise and fall time (Tr/Tf):
Startup time:
ASHK Series
32.768kHz
-20° C to + 70° C (see options)
- 55° C to + 125° C
+5 ± 20ppm @ +25° C Vdd=3.3V; referenced to 32.768kHz
-120 to +10 ppm over -20 to +70° C; referenced to
frequency measured @ 25
°C
3.3 V ± 5% (see options. 1.5 to 5.5V)
Please see Table 1
40/60 % @ 1/2Vdd
200ns max. (10% to 90%Vdd, CL=15pF)
TABLE 1
Vdd (V)
3.3 (STD)
5.5
2.8
1.8
1.5
Supply
Current
(µA typ.)
1.4
2.2
1.2
1.0
0.8
Supply
Current
(µA max.)
1.5
2.4
1.4
1.2
1.0
1 sec max. for Vdd=3.3V @ +25° C
˚
Output load:
CMOS (15 pF max.)
Output voltage (CL=15pF @ +25
˚
C): VOH = Vdd-0.4V min.
VOL = 0.4V max.
Tri-state function:
"1" (VIH >= 0.9*Vdd) (Pin must be set "1" to oscillate)
"0" (VIL < 0.1*Vdd) : Hi Z
Stand-by current:
Aging (first year) 25°C ± 3°C:
250nA max. @ +25° C
± 5ppm max.
± 10ppm max.
Aging (10 years) 25°C ± 3°C:
OPTIONS & PART IDENTIFICATION:
(Left blank if standard)
ASHK
Supply Voltage
Blank
2
3
4
5
3.3V
5.5V
2.8V
1.8V
1.5V
TYPICAL TEMP CHARACTERISTICS
40
20
0
- 32.768kHz -
-
Packaging
dF (ppm)
Frequency Temp Characteristics
Blank
L
-20°C to +70°C / -90 to +10 ppm
-40°C to +85°C / -140 to +10 ppm
-20
-40
-60
-80
-100
-120
-140
-50 -40 -30 -20 -10
0
10
20
30
40
50
60
70
80
90 100
Temp. (C)
Blank
T
Bulk
Tape and
Reel
Please contact ABRACON for more information.
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
Revised: 11.24.09
30332 Esperanza, Rancho Santa Margarita, California 92688
tel 949-546-8000
|
fax 949-546-8001
| www.abracon.com
Visit www.abracon.com for Terms & Conditions of Sale
32.768kHz CERAMIC SMD CRYSTAL OSCILLATOR
ASHK SERIES
OUTLINE DRAWING:
Pb
RoHS
Compliant
4.0 x 2.5 x 0.9 mm
| | | | | | | | | | | | | | |
Note: Recommend using an approximately 0.01uF
bypass capacitor between PIN 2 and 4.
PIN
1
2
3
4
Dimensions: Inches (mm)
Sealing Method: Seam Sealing
FUNCTION
Tristate
GND/Case
Output
Vdd
Please remain pin 1 "High" if you do not
use the Tri-state function.
TAPE & REEL:
Tape and reel 1,000pcs/reel
Dimensions: mm
REFLOW PROFILE
NOTE:
Abracon manufactured products are intended for general commercial and industrial use. For applications requiring
high reliability and/or presenting extreme operating environment, written consent & authorization from Abracon is required.
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
Revised: 11.24.09
30332 Esperanza, Rancho Santa Margarita, California 92688
tel 949-546-8000
|
fax 949-546-8001
| www.abracon.com
Visit www.abracon.com for Terms & Conditions of Sale
stm32/stm8
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