Product Summary

The SN75LBC775DWRG4 is a low-power LinBiCMOSE device that incorporates the drivers and receivers for an AppleTalk or a LocalTalk interface and a switched-capacitor voltage converter for a single 5-V supply operation. LocalTalk uses a hybrid of RS-422 with the transceiver connected to the network through a small isolation transformer. The AppleTalk mode of SN75LBC775DWRG4 provides point-to-point communications and uses the same differential driver and receiver as LocalTalk with the addition of a hybrid RS-423, single-ended handshake driver (HSK) and receiver. In the AppleTalk mode, the port connects directly to the receiver with no isolation transformer.

Parametrics

SN75LBC775DWRG4 absolute maximum ratings: (1)Supply voltage range, VCC: –0.5 to 7 V; (2)Supply voltage range, VSS: –7 to 0.5 V; (3)Receiver input voltage range, VI (RA): –15 V to 15 V; (4)Receiver differential input voltage range, VID: –12 V to 12 V; (5)Receiver output voltage range, VO (RY): –0.5 V to 5.5 V; (6)Driver output voltage range, VO (Power Off) (DY, DZ, HSKY): –15 V to 15 V; (7)(Power On) (DY, DZ, HSKY): –11 V to 11 V; (8)Driver input voltage range, VI (DA, HSKA, DEN, REN): –0.5 V to VCC + 0.4 V; (9)Electrostatic discharge Class 3, A: Bus terminals: 4 kV, All other terminals: 2 kV; (10)Operating free-air temperature range,TA: 0℃ to 70℃.

Features

SN75LBC775DWRG4 features: (1)Single-Chip Interface Solution for AppleTalk and LocalTalk; (2)Designed to Operate Up To 1 Mbps In AppleTalk and LocalTalk; (3)Switched-Capacitor Voltage Converter Allows for Single 5-V Operation; (4)4-kV ESD Protection on Bus Terminals; (5)Combines Multiple Components into a Single Chip Solution; (6)LinBiCMOSE Process Technology.

Diagrams

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