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74LCX245BQX Datasheet(PDF) 1 Page - Fairchild Semiconductor |
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74LCX245BQX Datasheet(HTML) 1 Page - Fairchild Semiconductor |
1 / 12 page © 2005 Fairchild Semiconductor Corporation DS012006 www.fairchildsemi.com February 1994 Revised March 2005 74LCX245 Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs General Description The LCX245 contains eight non-inverting bidirectional buff- ers with 3-STATE outputs and is intended for bus oriented applications. The device is designed for low voltage (2.5V and 3.3V) VCC applications with capability of interfacing to a 5V signal environment. The T/R input determines the direction of data flow through the device. The OE input dis- ables both the A and B ports by placing them in a high impedance state. The LCX245 is fabricated with an advanced CMOS tech- nology to achieve high speed operation while maintaining CMOS low power dissipation. Features s 5V tolerant inputs and outputs s 2.3V to 3.6V VCC specifications provided s 7.0 ns tPD max (VCC 3.3V), 10 PA ICC max s Power down high impedance inputs and outputs s Supports live insertion/withdrawal (Note 1) s r24 mA output drive (VCC 3.0V) s Implements patented noise/EMI reduction circuitry s Latch-up performance exceeds 500 mA s ESD performance: Human body model ! 2000V Machine model ! 200V s Leadless DQFN Pb-Free package 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: Pb-Free package per JEDEC J-STD-020B. Note 2: Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Note 3: DQFN package available in Tape and Reel only. Note 4: “_NL” indicates Pb-Free package (per JEDEC J-STD-020B). Device available in Tape and Reel only. Order Number Package Number Package Description 74LCX245WM (Note 2) M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide 74LCX245WMX_NL (Note 4) M20B Pb-Free 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide 74LCX245SJ (Note 2) M20D Pb-Free 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74LCX245BQX (Note 3) MLP020B Pb-Free 20-Terminal Depopulated Quad Very-Thin Flat Pack No Leads (DQFN), JEDEC MO-241, 2.5 x 4.5mm 74LCX245MSA (Note 2) MSA20 20-Lead Shrink Small Outline Package (SSOP), JEDEC MO-150, 5.3mm Wide 74LCX245MTC (Note 2) MTC20 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide 74LCX245MTCX_NL (Note 4) MTC20 Pb-Free 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide |
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