74LCXZ245 ,Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputsapplications.should be tied to V through a pull-up resistor: the minimum value or theCCresistor is ..
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74LCXZ245
Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs
74LCXZ245 Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs October 2000 Revised October 2000 74LCXZ245 Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs General Description Features The 74LCXZ245 contains eight non-inverting bidirectional5V tolerant inputs and outputs buffers with 3-STATE outputs and is intended for bus ori-2.3V–3.6V V specifications provided CC ented applications. The device is designed for low voltage 7.0 ns t max (V = 3.3V), 10 μA I max PD CC CC (2.5V and 3.3V) V applications with capability of interfac- CC Power down high impedance inputs and outputs ing to a 5V signal environment. The T/R input determines the direction of data flow through the device. The OE inputSupports live insertion/withdrawal (Note 1) disables both the A and B ports by placing them in a high ±24 mA output drive (V = 3.0V) CC impedance state. Implements patented noise/EMI reduction circuitry The 74LCXZ245 is fabricated with an advanced CMOS Latch-up performance exceeds 500 mA technology to achieve high speed operation while maintain- ing CMOS low power dissipation. When V is between 0VESD performance: CC and 1.5V, the 74LCXZ245 is on the high impedance state Human body model > 2000V during power up or power down. This places the outputs in Machine model > 200V the high impedance (Z) state preventing intermittent low Note 1: To ensure the high-impedance state during power up or down, OE impedance loading or glitching in bus oriented applications. should be tied to V through a pull-up resistor: the minimum value or the CC resistor is determined by the current-sourcing capability of the driver. Ordering Code: Order Number Package Number Package Description 74LCXZ245WM M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide 74LCXZ245SJ M20D 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74LCXZ245MSA MSA20 20-Lead Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm Wide 74LCXZ245MTC MTC20 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Logic Symbol Connection Diagram Pin Descriptions Pin Names Description OE Output Enable Input T/R Transmit/Receive Input A –A Side A Inputs or 3-STATE Outputs 0 7 B –B Side B Inputs or 3-STATE Outputs 0 7 © 2000 DS500362
