Si532
Rev. 1.0 7
3. Ordering Information
The Si532 XO was designed to support a variety of options including frequency, temperature stability, output
format, and VDD. Specific device configurations are programmed into the Si532 at time of shipment. Configurations
can be specified using the Part Number Configuration chart below. Silicon Laboratories provides a web browser-
based part number configuration utility to simplify this process. Refer to www.silabs.com/VCXOPartNumber to
access this tool and for further ordering instructions. The Si532 is supplied in an industry-standard, RoHS
compliant, 6-pad, 5 x 7 mm package.
Figure 1. Part Number Convention
Example Part Number: 532AB000108BGR is a 5 x 7 mm Dual XO in a 6 pad package. Since the six digit code (000108) is > 000100,
f0 is 644.53125 MHz (lower frequency) and f1 is 693.48299 (higher frequency), with a 3.3 V supply, LVPECL output, and Output
Enable active high polarity. Temperature stability is specified as ±20 ppm. The part is specified for a –40 to +85 C° ambient
temperature range operation and is shipped in tape and reel format.
R = Tape & Reel
Blank = Trays
Operating Temp Range (°C)
G –40 to +85 °C
Device Revision Letter
2nd Option Code
Code Temperature Stability (ppm, max, ±)
A50
B20
532 Dual XO
Product Family
6-digit Frequency Designator Code
Two unique frequencies can be specified within the following bands of
frequencies: 10 to 945 MHz, 970 to 1134 MHz, and 1213 to 1417 MHz. A
six digit code will be assigned for the specified combination of frequencies.
Codes > 000100 refer to dual XOs programmed with the lower frequency
value selected when FS = 0, and the higher value when FS = 1. Six digit
codes < 000100 refer to dual XOs programmed with the higher frequency
value selected when FS = 0, and the lower value when FS = 1.
532 X X XXXXXX B G R
1st Option Code
VDD Output Format Output Enable Polarity
A 3.3 LVPECL High
B 3.3 LVDS High
C 3.3 CMOS High
D3.3CML High
E 2.5 LVPECL High
F 2.5 LVDS High
G 2.5 CMOS High
H2.5CML High
J 1.8 CMOS High
K1.8CML High
M 3.3 LVPECL Low
N 3.3 LVDS Low
P3.3CMOS Low
Q3.3CML Low
R 2.5 LVPECL Low
S 2.5 LVDS Low
T2.5CMOS Low
U2.5CML Low
V1.8CMOS Low
W1.8CML Low
Note:
CMOS available to 160 MHz.