MM78C30

MM78C29 MM88C29 Quad Single-Ended Line Driver MM78C30 MM88C30 Dual Differential Line Driver February 1996 MM78C29 MM88C29 Quad Single-Ended Line Driver MM78C30 MM88C30 Dual Differential Line Driver General Description The MM78C30 MM88C30 is a dual differential line driver that also performs the dual four-input NAND or dual four-input AND function The absence of a clamp diode to VCC in the input protection circuitry of the MM78C30 MM88C30 allows a CMOS user to interface systems operating at different voltage levels Thus a CMOS digital signal source can operate at a VCC voltage greater than the VCC voltage of the MM78C30 line driver The differential output of the MM78C30 MM88C30 eliminates ground-loop errors The MM78C29 MM88C29 is a non-inverting single-wire transmission line driver Since the output ON resistance is a low 20X typ the device can be used to drive lamps relays solenoids and clock lines besides driving data lines Features Y Y Y Wide supply voltage range High noise immunity Low output ON resistance 3V to 15V 0 45 VCC (typ ) 20X (typ ) Logic Diagrams 1 4 MM78C29 MM88C29 TL F 5908 – 1 1 2 MM78C30 MM88C30 TL F 5908 – 2 C1996 National Semiconductor Corporation TL F 5908 RRD-B30M36 Printed in U S A http www national com Absolute Maximum Ratings (Note 1) If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Voltage at Any Pin (Note 1) Operating Temperature Ra...