CLOCK OSCILLATORS
“SWO” series
Logic: TTL / HCMOS
Wave Form: Square wave
MERCURY
Since 1973
Besides low cost general purpose crystal clock oscillators Mercury also offers high quality and field-
proven application-specific oscillators for applications such as
♦ CPU, graphics, multimedia A/V clocks
♦ MPEG / DVD / HDTV clocks
♦ Laser engine pixel / set-top clocks
♦ Spread spectrum low EMI clocks
♦ Fast Ethernet and Gigabit Ethernet clocks
♦ NTSC / PAL encoder/decoder clocks
♦ PLL / synthesizer clocks
♦ Fibre channel and ADSL clocks
♦ OC-3, OC-12, OC-48 and OC-192 clocks ♦ SONET / SDH / ATM clocks
Mercury has the right oscillators to meet your specifications and your applications.
“SWO” Series General Specifications
TA=+25°C, VDD at specified voltage, CL=15 pF
Input Voltage (VDD)
Mercury Model
Frequency Range
VDD = +3.3 V D.C. ±10%
3SWO
VDD =+5.0 V D.C.±10%
5SWO
1.0 ~ 125.0 MHz
TTL / HCMOS
4.5 V min.
1.0 ~125.0 MHz
TTL / HCMOS
2.97 V min.
Output Logic
Output Voltage HIGH “1”
Output Voltage LOW “0”
Rise Time / Fall Time
(0.1VDD ↔ 0.9 VDD)
0.33 V max.
0.5 V max.
7 n sec. max.
10 n sec. max.
TTL load
CMOS load
10 LS TTL gates max.
15 pF
10 LS TTL gates max.
15 pF
Fanout
1.8 ~ 32 MHz: 15 mA max.
32+~50 MHz: 16.5 mA max.
50+~100 MHz: 35 mA max.
1.9 ~ 32 MHz: 25 mA max.
32+~50 MHz: 35 mA max.
50+~100 MHz: 40 mA max.
Current Consumption
Commercial
(0°C to +70°C)
±25 ppm over 0°C to +70°C (Stability code is “A”)
±50 ppm over 0°C to +70°C (Stability code is “B”)
±100 ppm over 0°C to +70°C (Stability code is “C”)
If non-standard please enter the desired stability after “C”. For example “C20”
represents ±20 ppm over 0 to +70°C
Temperature code
Frequency
is ‘C”
Stability(1)
±25 ppm over -40°C to +85°C (Stability code is “D”)
±50 ppm over -40°C to +85°C (Stability code is “E”)
±100 ppm over -40°C to +85°C (Stability code is “F”)
If non-standard please enter the desired stability after “I”. For example
Industrial
(-40°C to +85°C)
Temperature code
is ‘I”
“I20” represents ±20 ppm over -40 to +85°C
Duty Cycle
50%±10%. (50±5% is also available)
1.0 ~ 32 MHz: 5 m sec. max.
32+ ~ 125 MHz: 10 m sec. max.
Start-up Time (Ts)
Note: Pad No. 1 is Tri-State by default for all SWO series. That is:
Pad 1
Connection
The output (pad No. 3) is active if no connection or voltage of 2.2V or greater is applied to pad 1.
The output (pad No. 3) is high impedance when voltage of 0.8V or lower is applied to pad 1.
Disable time is 150 n sec. max.; Enable time is 10 m sec. max.
±5 ppm per year max.
Aging
(1)Inclusive of 25°C tolerance, operating temperature range, ±10% input voltage variation, load change, aging,
shock and vibration.
MERCURY
www.mercury-crystal.com
Taiwan: TEL (886)-2-2695-7099, FAX (886)-2-2695-7473, e-mail: sales-tw@mercury-crystal.com
U.S.A.: TEL (1)-909-466-0427, FAX (1)-909-466-0762, e-mail: sales-us@mercury-crystal.com
MERCURY
Page 1 of 3
Date: Jan. 23, 2005
Rev. 2
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