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74LCXR2245MTC Folha de dados(PDF) 1 Page - Fairchild Semiconductor |
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74LCXR2245MTC Folha de dados(HTML) 1 Page - Fairchild Semiconductor |
1 / 10 page © 2000 Fairchild Semiconductor Corporation DS500361 www.fairchildsemi.com October 2000 Revised October 2000 74LCXR2245 Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs and 26 Ω Series Resistors on Both A and B Ports General Description The LCXR2245 contains eight non-inverting bidirectional buffers with 3-STATE outputs and is intended for bus ori- ented applications. The device is designed for low voltage (2.5V and 3.3V) VCC applications with capability of interfac- ing to a 5V signal environment. The T/R input determines the direction of data flow through the device. The OE input disables both the A and B ports by placing them in a high impedance state. The 26 Ω series resistor helps reduce output overshoot and undershoot. The LCXR2245 is fabricated with an advanced CMOS technology to achieve high speed operation while maintain- ing CMOS low power dissipation. Features s 5V tolerant inputs and outputs s 2.3V–3.6V VCC specifications provided s 8.0 ns tPD max (VCC = 3.3V), 10 µA ICC max s Power down high impedance inputs and outputs s Supports live insertion/withdrawal (Note 1) s ±12 mA output drive (V CC = 3.0V) s Implements patented noise/EMI reduction circuitry s Latch-up performance exceeds 500 mA s Equivalent 26 Ω series resistor on all outputs s ESD performance: Human body model > 2000V Machine model > 200V Note 1: To ensure the high-impedance state during power up or down, OE should be tied to VCC through a pull-up resistor: the minimum value or the resistor is determined by the current-sourcing capability of the driver. Ordering Code: Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Logic Symbol Pin Descriptions Connection Diagram Order Number Package Number Package Description 74LCXR2245WM M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide 74LCXR2245SJ M20D 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74LCXR2245MSA MSA20 20-Lead Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm Wide 74LCXR2245MTC MTC20 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Pin Names Description OE Output Enable Input T/R Transmit/Receive Input A0–A7 Side A Inputs or 3-STATE Outputs B0–B7 Side B Inputs or 3-STATE Outputs |
Nº de peça semelhante - 74LCXR2245MTC |
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Descrição semelhante - 74LCXR2245MTC |
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