SaRonix
Crystal Clock Oscillator
3.3 & 5V, HCMOS, ACMOS, TTL
STA / STT Series
Technical Data
Frequency Range:
STT 5V
STA 5V
STA 3.3V
Full Size:
Half Size:
250kHz - 135MHz 125kHz - 135MHz 125kHz - 125MHz
250kHz - 135MHz 500kHz - 135MHz 500kHz - 125MHz
Frequency Stability:
20, 25, 50 or 100 ppm over all conditions: calibration
tolerance, operating temperature, rated input voltage change,
load change, aging*, shock and vibration
* 1 year @ +40°C
Temperature Range:
Operating:
Storage:
0 to +70°C or -40 to +85°C
-55 to +125°C
Supply Voltage:
Recommended Operating:
+5V 10ꢀ or 3.3V 10ꢀ (STA only)
Supply Current:
50mA typ, 70mA max @ 5V or 30mA typ, 45mA max @ 3.3V
ACTUAL SIZE
Output Drive:
ACMOS / TTL
Description
See Part Numbering Guide
See Part Numbering Guide
Symmetry:
Rise & Fall Times:
Logic 0:
A crystal controlled, low current, low
jitter and high frequency oscillator with
precise rise and fall times demanded in
high performance networking, telecom
and processor applications. The tri-state
function enables the output to go high
impedance. Available in a 14 or an 8 pin
DIP compatible, resistance welded, all
metalcase. Pin7(orPin4)isgroundedto
case to reduce EMI. See photo above for
new, full size metal package with a true
SMD adapter. For this package option
select option S in part number builder.
10ꢀ V
90ꢀ V
or 0.5V max
or 2.5Vmin
DD
DD
Logic 1:
Load:
50Ω ACMOS, 95Ω ACMOS @ 3.3V, 50mA sink & source @ TTL
8ps max
Period Jitter RMS:
Mechanical:
Shock:
Solderability:
MIL-STD-883, Method 2002, Condition B
MIL-STD-883, Method 2003
MIL-STD-202, Method 211, Conditions B2
MIL-STD-883, Method 2007, Condition A
MIL-STD-202, Method 215
Terminal Strength:
Vibration:
Solvent Resistance:
Resistance to Soldering Heat:
MIL-STD-202, Method 210, Condition A, B or C
Environmental:
Gross Leak Test:
Fine Leak Test:
Thermal Shock:
MIL-STD-883, Method 1014, Condition C
MIL-STD-883, Method 1014, Condition A2
MIL-STD-883, Method 1011, Conditions A
MIL-STD-883, Method 1004
Applications & Features
Moisture Resistance:
• Fibre Channel
• Gigabit Ethernet
Part Numbering Guide
• High performance Processors
• True SMD DIL14 version available
• High Drive HCMOS, ACMOS or TTL
capability
STA A
9
9
B
3
- 90.0000
Frequency (MHz)
Series
STA = ACMOS compatible, 3.3 or 5V
STT = TTL compatible, 5V only
Supply
blank = 5V (STA or STT, 135MHz max)
• Tri-State output
3 = 3.3V (STA only, 125MHz max)
Symmetry
• Precise Rise/Fall Times
• Reduced EMI circuitry
• Short circuit protected output
0 = 40/60% max, 0 to +70°C
A = 45/55% max, 0 to +70°C
STT to 80 MHz max only
Stability Tolerance
AA = 20ppm, 80MHz max, 0 to +70°C only
A = 25ppm, 80MHz max, 0 to +70°C only
B = 50ppm
STA 3.3V to 109.9999 MHz max only
2 = 40/60% max, -40 to +85°C
STA 3.3V to 109.9999 MHz max only
C = 100ppm
Package Size / Style
0 = Full Size
9 = ½ Size
K = Full Size, Gull Wing
J = ½ Size, Gull Wing
N = ½ Size, Gull Wing, Spanked Leads
S = Full Size, True SMD Adapter
Standard
* Rise/Fall Times
1 = STT 4.0ns max 250kHz to 15 MHz full, to 35 MHz ½ size
2 = STT 2.0ns max from 15+ MHz full, 35+ MHz ½ size to 60 MHz
3 = STT 1.0ns max from 60+ MHz to 135 MHz
7 = STA 5.5ns max, 125kHz to 15 MHz full, 500kHz to 35 MHz ½ size
8 = STA 3.5ns max from 15+ MHz full, 35+ MHz ½ size to 60 MHz
9 = STA 2ns max from 60+ MHz to 135 MHz(5V), to 125 MHz(3.3V)
*
R/F times are standard with given frequency ranges, non-standard R/F times available on some models, please contact SaRonix
Example PN: STT220C - 60.0000
DS-108 REV K
SaRonix 141 Jefferson Drive • Menlo Park, CA 94025 • USA • 650-470-7700 • 800-227-8974 • Fax 650-462-9894
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