Datenblatt-Suchmaschine für elektronische Bauteile |
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SN74CBTLV3245PW Datenblatt(PDF) 1 Page - Texas Instruments |
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SN74CBTLV3245PW Datenblatt(HTML) 1 Page - Texas Instruments |
1 / 6 page SN74CBTLV3245 LOW-VOLTAGE OCTAL FET BUS SWITCH SCDS034F – JULY 1997 – REVISED MAY 1998 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Standard ’245-Type Pinout D 5-Ω Switch Connection Between Two Ports D Isolation Under Power-Off Conditions D ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0) D Package Options Include Shrink Small-Outline (DB), Thin Very Small-Outline (DGV), Small-Outline (DW), and Thin Shrink Small-Outline (PW) Packages description The SN74CBTLV3245 provides eight bits of high-speed 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 8-bit bus 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. To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. The SN74CBTLV3245 is characterized for operation from –40 °C to 85°C. FUNCTION TABLE INPUT FUNCTION OE FUNCTION L A port = B port H Disconnect logic diagram (positive logic) A1 SW B1 A8 OE SW B8 2 9 19 18 11 Copyright © 1998, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. 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, DGV, DW, OR PW PACKAGE (TOP VIEW) NC – No internal connection |
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