CERAMIC SURFACE MOUNT LOW PROFILE
CRYSTAL CLOCK OSCILLATOR
ASFLK SERIES
*RoHS COMPLIANT
APPLICATIONS:
• System references
• Real time clocks
5.0 x 3.2 x 1.35mm
| | | | | | | | | | | | | | |
FEATURES:
• Industrial operating temperature range available.
• CMOS output
• Small surface mount package
• Compact and low in height
STANDARD SPECIFICATIONS:
PARAMETERS
Frequency Range
Operating Temperature
Storage Temperature
Overall Frequency Stability
Supply Voltage (Vdd)
Input Current
Symmetry
Rise and Fall Time (Tr/Tf)
Output Load
Output Voltage
Start-up Time
Tristate Function
Aging at 25°C/year
32.768KHz
0°C to +70°C (see options)
-55° C to +125° C
±100 ppm max. (see options)
3.3 Vdc ± 10% (see options)
7mA max
40/60% max @ 1/2Vdd (see options)
250nS max.
15pF
VOH = 2.97V min.
VOL = 0.33V max.
10 mS max
Logic "1" or open = Oscillation
Logic "0" (VIL < 0.8 Vdc) = Hi Z
±5ppm/year max.
PIN
1
2
3
4
FUNCTION
E/D
GND
Output
Vcc
MARKING:
- 32.7K
- *A ZYX
(32.768 Frequency)
(* pin 1 identification ; A ABRACON
ZY: Date code Z for month A to L,
Y for year; X:Traceability code)
OUTLINE DRAWING:
OPTIONS AND PART IDENTIFICATION (Left blank if standard):
ASFLK - 32.768 - Supply Voltage - Frequency Stability - Temperature -
Symmetry - Packaging
Overall Freq Stability:
R
for ± 25 ppm max.
K
for ± 30 ppm max.
H
for ± 35 ppm max.
B
for ± 40 ppm max.
C
for ± 50 ppm max.
Temperature options:
E
for -20°C to +70°C
F
for -30°C to +70°C
N
for -30°C to +85°C
L
for -40°C to +85°C
Symmetry option:
S
for (45/55%)
max at 1/2Vdd
Supply Voltage options:
Y
for 2.8V ± 5%
Z
for 3.0V ± 10%
Packaging option:
T
for Tape and Reel (1,000pcs per reel)
Dimensions: inch (mm)
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
REVISED: 11.15.06
30332 Esperanza, Rancho Santa Margarita, California 92688
tel 949-546-8000
|
fax 949-546-8001
| www.abracon.com
嵌入式系统