Datenblatt-Suchmaschine für elektronische Bauteile |
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74CBTLV3245ADWRE4 Datenblatt(PDF) 1 Page - Texas Instruments |
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74CBTLV3245ADWRE4 Datenblatt(HTML) 1 Page - Texas Instruments |
1 / 18 page www.ti.com FEATURES 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 DBQ, DGV, DW, OR PW PACKAGE (TOP VIEW) NC - No internal connection RGY PACKAGE (TOP VIEW) 1 20 10 11 2 3 4 5 6 7 8 9 19 18 17 16 15 14 13 12 OE B1 B2 B3 B4 B5 B6 B7 A1 A2 A3 A4 A5 A6 A7 A8 NC - No internal connection DESCRIPTION/ORDERING INFORMATION SN74CBTLV3245A LOW-VOLTAGE OCTAL FET BUS SWITCH SCDS034M – JULY 1997 – REVISED AUGUST 2005 • Standard '245-Type Pinout • Latch-Up Performance Exceeds 250 mA Per JESD 17 • 5- Ω Switch Connection Between Two Ports • ESD Protection Exceeds JESD 22 • Rail-to-Rail Switching on Data I/O Ports – 2000-V Human-Body Model (A114-A) • I off Supports Partial-Power-Down Mode Operation – 200-V Machine Model (A115-A) The SN74CBTLV3245A 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 the high-impedance state exists between the two ports. This device is fully specified for partial-power-down applications using Ioff. The Ioff feature ensures that damaging current will not backflow through the device when it is powered down. The device has isolation during power off. 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. ORDERING INFORMATION TA PACKAGE(1) ORDERABLE PART NUMBER TOP-SIDE MARKING QFN – RGY Tape and reel SN74CBTLV3245ARGYR CL245A Tube SN74CBTLV3245ADW SOIC – DW CBTLV3245A Tape and reel SN74CBTLV3245ADWR SSOP (QSOP) – DBQ Tape and reel SN74CBTLV3245ADBQR CBTLV3245A –40 °C to 85°C TSSOP – PW Tape and reel SN74CBTLV3245APWR CL245A TVSOP – DGV Tape and reel SN74CBTLV3245ADGVR CL245A VFBGA – GQN Tape and reel SN74CBTLV3245AGQNR CL245A VFBGA – ZQN Tape and reel SN74CBTLV3245AZQNR CL245A (1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. 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. PRODUCTION DATA information is current as of publication date. Copyright © 1997–2005, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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