Standard Clock Oscillators ECS-3951M,OSC XO 20.000MHZ HCMOS SMD,5V,+/-50ppm,-10+/-C 70+/-C,20mA,Surface Mount,0.295" L x 0.197" W (7.50mm x 5.00mm),0.069" (1.75mm)
Standard Clock Oscillators ECS-3953C,OSC XO 80.000MHZ HCMOS SMD,3.3V,+/-100ppm,0+/-C 70+/-C,30mA,Surface Mount,0.276" L x 0.197" W (7.00mm x 5.00mm),0.069" (1.75mm)