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74VCXH2245WM Datasheet(PDF) 1 Page - Fairchild Semiconductor |
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74VCXH2245WM Datasheet(HTML) 1 Page - Fairchild Semiconductor |
1 / 8 page © 1999 Fairchild Semiconductor Corporation ds500199 www.fairchildsemi.com June 1999 Revised July 1999 74VCXH2245 Low Voltage Bidirectional Transceiver with Bushold and 26 Ω Series Resistors in B Outputs General Description The VCXH2245 contains eight non-inverting bidirectional buffers with 3-STATE outputs and is intended for bus ori- ented applications. The T/R input determines the direction of data flow. The OE input disables both the A and B Ports by placing them in a high impedance state. The VCXH2245 data inputs include active bushold circuitry, eliminating the need for external pull-up resistors to hold unused or float- ing data inputs at a valid logic level. The 74VCXH2245 is designed for low voltage (1.65V to 3.6V) VCC applications. The VCXH2245 is also designed with 26 Ω series resistance in the B Port outputs. This design reduces line noise in applications such as memory address drivers, clock drivers, and bus transceivers trans- mitters The 74VCXH2245 is fabricated with an advanced CMOS technology to achieve high-speed operation while main- taining low CMOS power dissipation. Features s 1.65V-3.6V VCC supply operation s 3.6V tolerant control inputs s Bushold on data inputs eliminates the need for external pull-up/pull-down resistors s 26 Ω series resistors in B Port outputs s tPD (A to B) 4.4 ns max for 3.0V to 3.6V VCC 5.6 ns max for 2.3V to 2.7V VCC 9.8 ns max for 1.65V to 1.95V VCC s Static Drive (IOH/IOL B outputs): ±12 mA @ 3.0V V CC ±8 mA @ 2.3V V CC ±3 mA @ 1.65V V CC s Uses patented Quiet Series ™ noise/EMI reduction circuitry s Latchup performance exceeds 300 mA 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. Logic Symbol Connection Diagram Quiet Series ™ is a trademark of Fairchild Semiconductor Corporation. Order Number Package Number Package Description 74VCXH2245WM M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide 74VCXH2245MTC MTC20 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide |
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