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ISL3178AEMW Datasheet(PDF) 2 Page - Intersil Corporation |
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ISL3178AEMW Datasheet(HTML) 2 Page - Intersil Corporation |
2 / 14 page 2 FN6887.1 May 6, 2009 Ordering Information PART NUMBER (Note) PART MARKING TEMP. RANGE (°C) PACKAGE (Pb-Free) PKG. DWG. # ISL3178AEMBZ* 3178A EMBZ -55 to +125 8 Ld SOIC M8.15 ISL3178AEMW -55 to +125 Wafer *Add “-T” suffix for tape and reel. Please refer to TB347 for details on reel specifications. NOTE: These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations). Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. Truth Tables TRANSMITTING INPUTS OUTPUTS RE DE DI Z Y X 1101 X 1010 0 0 X High-Z High-Z 1 0 X High-Z * High-Z * NOTE: *Shutdown Mode (see Note 7) Truth Tables (continued) RECEIVING INPUTS OUTPUT RE DE Half Duplex DE Full Duplex A-B RO 00 X ≥ -0.05V 1 00 X ≤ -0.2V 0 0 0 X Inputs Open/Shorted 1 1 0 0 X High-Z * 1 1 1 X High-Z NOTE: *Shutdown Mode (see Note 7) Pin Descriptions PIN FUNCTION RO Receiver output: If A-B ≥ -50mV, RO is high; If A-B ≤ -200mV, RO is low; RO = High if A and B are unconnected (floating) or shorted. RE Receiver output enable. RO is enabled when RE is low; RO is high impedance when RE is high. If the Rx enable function isn’t required, connect RE directly to GND or through a 1k Ω to 3kΩ resistor to GND. DE Driver output enable. The driver outputs, Y and Z, are enabled by bringing DE high, and are high impedance when DE is low. If the Tx enable function isn’t required, connect DE to VCC through a 1kΩ to 3kΩ resistor. DI Driver input. A low on DI forces output Y low and output Z high. Similarly, a high on DI forces output Y high and output Z low. GND Ground connection. A/Y ±15kV IEC61000 ESD Protected RS-485/422 level, noninverting receiver input and noninverting driver output. Pin is an input if DE = 0; pin is an output if DE = 1. B/Z ±15kV IEC61000 ESD Protected RS-485/422 level, Inverting receiver input and inverting driver output. Pin is an input if DE = 0; pin is an output if DE = 1. VCC System power supply input (3.0V to 3.6V). ISL3178AE |
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