ZT3490E

ZT3485E Low Power 3V 250kbps/16Mbps RS485 Transceivers Zywyn Corporation ZT3485E Zywyn ZT3483E, ZT3485E ZT3488E, ZT3490E, ZT3491E Low Power 3V 250kbps/16Mbps RS485E Transceivers Features Meets or exceeds the requirements of ANSI Standard TIA/EIA-485-A and ISO 8482:1987(E) specifications for VCC at +3.3V ±10% Low quiescent current – 0.5mA typ., 1.5mA max. Low shutdown current (where applicable) - 0.05μA typical, 10μA max. Guaranteed standard data rate 250kbps or 16Mbps True Fail-Safe (Open and Short) Receiver -7V to +12V common-mode input voltage range Half-Duplex or Full-Duplex configuration Allows up to 1 unit load (32 devices) on the same common bus Controlled driver output slew rate and receiver input filtering Active-high driver enable and active-low receiver enable ESD Protection on bus terminals ±15kV Human Body Model (HBM) Drop-in Replacements for MAX3483E, MAX3485E, MAX3488E, MAX3490E, MAX3491E High fanout driving 1/8 unit load (256 devices) available on ZT3070E Series General Description The ZT3485E series devices are 3V differential data line transceivers for RS485/RS422 communication that consist of one driver and one receiver with high level of ESD protection. They are designed for balanced transmission lines interface that meet ANSI standard TIA/EIA-485-A and ISO 8482:1987(E) specifications. The ZT3485E series devices span out with half or full duplex, data rate guaranteed at 250kbps or 16Mbps, and allow one unit load that fan out 32 d...