# 3.3V LOW PROFILE SMD VCXO
## MODEL: VCSAXT SERIES

Features
· 3.3V Operation
· HCMOS Output
· Enable/Disable Function
· Tape and Reel (2,000 pcs. STD)

Options
· Various Stability/Pullability Options
· -40ºC ~ +85ºC Operating Temperature Option ('R' Version)

Part Number Selection
· Learn more about part marking identification and tape & reel specifications online.
· Part numbers follow a pattern: `4XX-Frequency-xxxxx`
· Example models and ranges:
- VCS12AXT (421-Frequency-xxxxx): ±25PPM stability, ±50PPM pullability, -10 ~ +70ºC
- VCS12AXTR3 (437-Frequency-xxxxx): ±25PPM stability, ±50PPM pullability, -40 ~ +85ºC
- VCS25AXTR (445-Frequency-xxxxx): ±50PPM stability, ±100PPM pullability, -40 ~ +85ºC
· Frequency Range: 1.000 ~ 80.000 MHz

Electrical Characteristics
· Frequency Range: 1.000 ~ 80.000 MHz
· Storage Temperature: -40ºC ~ +85ºC
· Supply Voltage (VDD): 3.3V ± 10%
· Control Voltage (VC): 1.65V ± 1.5V
· Input Current (IDD): Varies by frequency range (15mA - 50mA)
· Output Symmetry: 40% ~ 60%
· Rise/Fall Time: 5nS
· Output Voltage: 10% VDD / 90% VDD (Min)
· Output Current: 4.0mA (Min) / -1.0mA (Min)
· Output Load: 15pF
· Start-up Time: 10mS
· Enable/Disable Time: 150nS
· Frequency Linearity: ±10%
· Modulation Bandwidth: 20 kHz

Enable/Disable Function
· Pin 2 (INH): Controls output on Pin 4.
· Open: Active output.
· '1' Level: Active output (VIH ≥ 70% VDD).
· '0' Level: High Z output (VIL ≤ 30% VDD).

Notes
· A 0.01µF bypass capacitor should be placed between VDD (Pin 6) and GND (Pin 3).
· An alternate pin connection with E/D on pin #5 is available.