Texas Instruments SN54LS628

these voltage-controlled oscillators (vcos) are improved versions of the original vco family: sn54ls124 sn54ls324 thru sn54ls327 sn74ls124 and sn74ls324 thru sn74ls327. these new devices feature improved voltage-to-frequency linearity range and compensation. with the exception of the ls624 and ls628 all of these devices feature two independent vcos in a single monolithic chip. the ls624 ls625 ls626 and ls628 have complementary z outputs. the output frequency for each vco is established by a single external component (either a capacitor or crystal) in combination with voltage-sensitive inputs used for frequency control and frequency range. each device has a voltage-sensitive input for frequency control; however the ls624 ls628 and ls629 devices also have one for frequency range. view all in datasheet