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SN74CBT3245 Datasheet(PDF) 1 Page - Texas Instruments |
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SN74CBT3245 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 4 page SN74CBT3245 OCTAL BUS SWITCH SCDS002C – NOVEMBER 1992 – REVISED MAY 1995 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Functionally Equivalent to QS3245 D Standard ’245-Type Pinout D 5-Ω Switch Connection Between Two Ports D TTL-Compatible Control Input Levels D Package Options Include Shrink Small-Outline (DB), Plastic Small-Outline (DW), and Thin Shrink Small-Outline (PW) Packages description The SN74CBT3245 provides eight bits of high-speed TTL-compatible bus switching in a standard ’245 device pinout. The low on-state resistance of the switch allows connections to be made with minimal propagation delay. The device is organized as one 8-bit switch. When output enable (OE) is low, the switch is on and port A is connected to port B. When OE is high, the switch is open and a high-impedance state exists between the two ports. The SN74CBT3245 is characterized for operation from – 40 °C to 85°C. FUNCTION TABLE INPUT OE INPUTS/ OUTPUTS OE A, B L A = B H Z logic diagram A1 A8 OE B1 B8 ADVANCE INFORMATION concerns new products in the sampling or preproduction phase of development. Characteristic data and other specifications are subject to change without notice. Copyright © 1995, Texas Instruments Incorporated Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 NC A1 A2 A3 A4 A5 A6 A7 A8 GND VCC OE B1 B2 B3 B4 B5 B6 B7 B8 DB, DW, OR PW PACKAGE (TOP VIEW) |
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