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74LCXH2245 датащи(PDF) 1 Page - Fairchild Semiconductor |
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74LCXH2245 датащи(HTML) 1 Page - Fairchild Semiconductor |
1 / 11 page © 2005 Fairchild Semiconductor Corporation DS500409 www.fairchildsemi.com October 2000 Revised March 2005 74LCXH2245 Low Voltage Bidirectional Transceiver with Bushold and 26 : Series Resistors in B Outputs General Description The LCXH2245 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. The T/R input deter- mines 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 : series resistor in the B Port output helps reduce output overshoot and undershoot. The LCXH2245 is fabricated with an advanced CMOS technology to achieve high speed operation while maintain- ing CMOS low power dissipation. The LCXH2245 data inputs include active bushold circuitry, eliminating the need for external pull-up resistors to hold unused or floating data inputs at a valid logic level. Features s 5V tolerant control inputs s 2.3V–3.6V VCC specifications provided s Bushold on inputs eliminates the need for external pull-up/pull-down resistors s 7.0 ns tPD max (VCC 3.3V), 10 PA ICC max s Power down high impedance outputs s r12 mA output drive B Port (VCC 3.0V) s Implements patented noise/EMI reduction circuitry s Latch-up performance exceeds 500 mA s Equivalent 26 : series resistor on B Port outputs s ESD performance: Human body model ! 2000V Machine model ! 200V Ordering Code: Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Pb-Free package per JEDEC J-STD-020B. Logic Symbol Pin Descriptions Connection Diagram GTO ¥ is a trademark of Fairchild Semiconductor Corporation. Order Number Package Number Package Description 74LCXH2245WM M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide 74LCXH2245SJ M20D Pb-Free 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74LCXH2245MSA MSA20 20-Lead Shrink Small Outline Package (SSOP), JEDEC MO-150, 5.3mm Wide 74LCXH2245MTC 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 (Bushold) B0–B7 Side B Inputs or 3-STATE Outputs (Bushold) |
Аналогичный номер детали - 74LCXH2245_05 |
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Аналогичное описание - 74LCXH2245_05 |
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