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SN74CBTK6800PWE4 Datasheet(PDF) 1 Page - Texas Instruments |
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SN74CBTK6800PWE4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 16 page SN74CBTK6800 10-BIT FET BUS SWITCH WITH PRECHARGED OUTPUTS AND ACTIVE-CLAMP UNDERSHOOT-PROTECTION CIRCUIT SCDS107B – APRIL 2000 – REVISED OCTOBER 2000 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D 5-Ω Switch Connection Between Two Ports D TTL-Compatible Input Levels D Power Off Disables Outputs, Permitting Live Insertion D Outputs Are Precharged by Bias Voltage to Minimize Signal Distortion During Live Insertion D Active-Clamp Undershoot-Protection Circuit on the I/Os Clamps Undershoots Down to –2 V D Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II D ESD Protection Exceeds JESD 22 – 2000-V Human-Body Model (A114-A) – 200-V Machine Model (A115-A) – 1000-V Charged-Device Model (C101) description The SN74CBTK6800 device provides ten bits of high-speed TTL-compatible bus switching. The low on-state resistance of the switch allows bidirectional connections to be made while adding near-zero propagation delay. The device also precharges the B port to a user-selectable bias voltage (BIASV) to minimize live-insertion noise. The A and B ports have an active-clamp undershoot-protection circuit. When there is an undershoot, the active-clamp circuit is enabled and current from VCC is supplied to clamp the output, preventing the pass transistor from turning on. The SN74CBTK6800 is organized as one 10-bit switch with a single enable (ON) input. When ON is low, the switch is on, and port A is connected to port B. When ON is high, the switch between port A and port B is open. When ON is high or VCC is 0 V, B port is precharged to BIASV through the equivalent of a 10-kΩ resistor. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING SOIC DW Tube SN74CBTK6800DW CBTK6800 SOIC – DW Tape and reel SN74CBTK6800DWR CBTK6800 –40 °C to 85°C SSOP (QSOP) – DBQ Tape and reel SN74CBTK6800DBQR CBTK6800 TSSOP – PW Tape and reel SN74CBTK6800PWR BK6800 TVSOP – DGV Tape and reel SN74CBTK6800DGVR BK6800 † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. FUNCTION TABLE INPUT ON FUNCTION L A port = B port H A port = Z B port = BIASV 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. DBQ, DGV, DW, OR PW PACKAGE (TOP VIEW) ON A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 GND VCC B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 BIASV 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 Copyright © 2000, 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. |
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