HD29468

HD29468 Triple Line Drivers / Receivers The HD29468 features line drivers and receivers for unbalanced transmissions, which meet the specs of IBM 360 and 370. This device has three drivers and receivers in one package. Input of driver and output of receiver are compatible with low power schottky TTL circuit and operates from a single 5 V power supply. The driver has two types of enable inputs. Sprius noise can be prevented by grounding either input when power supply is throw or cut off. The outputs are protected from short circuit and the wired logic is available due to emitter follower from for party line data bus applications. The device operates at high speed. Low to high level and high to low level propagation delay times defference are 10 ns max. Pin Arrangement DE1 1 RI1 2 RO1 3 RI2 4 RO2 5 RI3 6 RO3 7 GND 8 (Top View) 16 VCC 15 DO 1 14 DI1 13 DO 2 12 DI2 11 DO 3 10 DI3 9 DE2 Function Table Driver Input DI L X X H DE1 X L X H DE2 X X L H Output DO L L L H Receiver Input RI L H H : High level L : Low level X : Immaterial Output RO H L HD29468 Absolute Maximum Ratings Item Supply Voltage Driver Input Voltage Driver Output Voltage Receiver Input Voltage Power Dissipation (Ta = 25 °C) Operating Temperature Storage Temperature *1 HD29468 Symbol VCC VID VOD VIR DP FP Ta Tstg Ratings +7 –0.5 to +7 –0.5 to +7 –0.5 to +7 1000 785 0 to +75 –65 to +150 Unit V V V V mW °C °C Notes: 1. The above data were taken by the ∆VBE method,mounting on a glass epoxy board (40 × 40 × 1...