Preliminary ABX0027F
Low Power 5 Output XO 10MHz to 52MHz
30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 1
FEATURES
• Generates 5 CMOS outputs.
• 10 to 52MHz fundamental or 3rd OT crystal input.
• Low phase noise (-130 dBc @ 10kHz offset).
• Low jitter (RMS): 2.5ps period jitter.
• 12mA drive capability at TTL output.
• 1.62V to 3.63V DC operation.
• Available in 14 pin 150mil SOIC.
DESCRIPTION
The ABX0027F is part of Abracon’s low cost family
of XO IC’s, designed to replace multiple XO
solutions saving the cost and board space of clock
distribution buffers. In addition, it provides among
the lowest current on the market for the 10MHz to
52MHz range. It accepts input crystals from 10 to
52MHz (fundamental resonant mode) and provides
low phase noise (<-130dBc at 10kHz offset at
30MHz), and very low jitter (2.5 ps RMS period jitter)
outputs.
PIN ASSIGNMENT
ABX0027F
1
2
3
4
5
6
78
9
10
11
12
13
14 XOUT
GND
CLK5
VDD
CLK4
VDD
CLK3
XIN/FIN
GND
CLK1
GND
CLK2
GND
N/C
BLOCK DIAGRAM
CLK1
CLK2
CLK3
XIN/FIN
XOUT XTAL
OSC
CLK4
CLK5
Preliminary ABX0027F
Low Power 5 Output XO 10MHz to 52MHz
30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 2
PIN DESCRIPTION
Name Pin # Type Description
XIN 1 I Crystal Input or Refere nce Clock input ( 10MHz to 52MH z ).
GND 2,4,6,13 P Ground.
CLK1 3 O Buffered clock output .
CLK2 5 O Buffered clock output .
N/C 7 - No connection.
CLK3 8 O Buffered clock output .
VDD 9,11 P Power supply.
CLK4 10 O Buffered clock output .
CLK5 12 O Buffered clock output .
XOUT 14 O Crystal output.
ELECTRICAL SPECIFICATIONS
1. Absolute Maximum Ratings
PARAMETERS SYMBOL MIN. MAX. UNITS
Supply Voltage VDD 4.6 V
Input Voltage, dc VI -0.5 VDD+0.5 V
Output Voltag e, dc VO -0.5 VDD+0.5 V
Storage Temperature TS -65 150
°C
Ambient Operating Tempera ture* TA -40 85 °C
Junction Temperature TJ 125
°C
Lead Temperature ( soldering, 10s) 260 °C
ESD Protection, Human Body Model 2 kV
Exposure of the device under conditions beyond the limits specified by Maximum Ratings for extende d periods may cause permanent damage to the
device and affect produc t reliability. These conditions represen t a stress rating only, an d functional operatio ns of the device at these or any other
conditions above the operational limits noted in this specification is not implied.
* Note: Opera ting Temperature is guaran teed by design for a ll parts (C OMMERCIAL and INDUSTRIAL ), but tested for COMMERCIAL grade only.
2. AC Electrical Specifications
PARAMETERS CONDITIONS MIN. TYP. MAX. UNITS
Input Crystal Frequen cy 10 52 MHz
Settling time At power-up
(Vdd reaches 1.62V) 10 ms
0.8V ~ 2.0V with 1 0 pF load 1.15
Output Clock Rise/Fall Time 0.3V ~ 3.0V with 1 5 pF load 2.4 ns
VDD sensitivity Frequency vs. VDD +/- 10% 0.8 0.8 ppm
Output Clock Duty Cycle Measured @ 1.4V 45 50 55 %
Short Circuit Current ±50 mA
Preliminary ABX0027F
Low Power 5 Output XO 10MHz to 52MHz
30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 3
3. Jitter and Phase Noise Specifications
PARAMETERS CONDITIONS MIN. TYP. MAX. UNITS
RMS Period Jitter
(1 sigma – 1000 samp les) With capacitive deco upling
between VDD and GND. 2.1 2.5 ps
Phase Noise rela tive to carrier 30MHz @10 0Hz offset -80 dBc/Hz
Phase Noise rela tive to carrier 30MHz @1kHz off set -110 dBc/Hz
Phase Noise rela tive to carrier 30MHz @10 kHz offset -130 dBc/Hz
Phase Noise rela tive to carrier 30MHz @10 0kHz offset -138 dBc/Hz
Phase Noise rela tive to carrier 30MHz @1MH z offset -145 dBc/Hz
4. DC Specifications
PARAMETERS SYMBOL CONDITIONS MIN. TYP. MAX. UNITS
Supply Current, Dynam ic,
with Loaded O utputs
@ 3.3V IDD At 27MHz, Cload=10 pF (3.3V) 6.0 mA
Supply Current in tri-stat e IDD Output disabled 520 µA
Operating Voltage VDD 1.62 3.63 V
Output High Voltage VOH IOH = -12mA (3.3V) 2.4 V
Output Low Volta ge VOL IOL = 12mA (3.3V) 0.4 V
Output High Voltage at
CMOS level VOHC IOH = -4mA (3.3V) VDD – 0.4 V
Output drive current At TTL level (3.3V) 12 17 mA
5. Crystal Specification
PARAMETERS SYMBOL MIN. TYP. MAX. UNITS
Crystal Resonator Frequen cy FXIN 10 52 MHz
Crystal Loading Rat ing CL (xtal) 8.5 pF
Maximum Sustainable Dr ive Level 200 µW
Operating Drive Level 50 µW
C0 (for frequencies below 30MHz) 5 pF
C0 (for frequencies above 30MHz) 4 pF
ESR RS 30 Ω
Note: A de tailed crystal specification documen t is also available for this par t
Preliminary ABX0027F
Low Power 5 Output XO 10MHz to 52MHz
30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 4
PACKAGE INFORMATION
ORDERING INFORMATION
Abracon Corporation, reserves the rig ht to make changes in its products or specifications, or bo th at any time without notic e. The informat ion
furnished by Abracon is believed to be accurate and reliable. Howeve r, Abracon makes no gua rantee or warranty concerning the accuracy of said
information and shall not be responsible fo r any loss or damage of whatever nature resulting from the use of, or reliance upon this p roduct.
LIFE SUPPORT POLICY : Abracon’s products are not authorized for use as critical components in life support devices or systems without the express
written approval o f the President of Abracon C orporation.
For part ordering, please contact our Sales Department:
30332 Esperanza., R ancho Santa Margarita, Ca 92688
Ph: 949-546-8000 Fax: 949-546-8001
PART NUMBER
The order number for this device is a combination of the following:
Device number, Package t ype and Operating temperature range
ABX0027F S C
Order Number Marking Package Option
ABX0027F SC ABX0027F SC SOIC - Tube
ABX0027F SC-T ABX0027F SC SOIC - Tape and Reel
PART NUMBER
TEMPERATURE
C=COMMERCIAL
I=INDUSTRIAL
PACKAGE TYPE
S=SOIC
CL
A
14 PIN Narrow SOIC ( mm )
SOIC
Symbol Min. Max.
A 1.35 1.75
A1 0.10 0.25
B 0.33 0.51
C 0.19 0.25
D 9.80 10.00
E 3.80 4.00
H 5.80 6.20
L 0.40 1.27
e 1.27 BSC
EH
D
A1
eB
