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SN74CBT3253CDB 数据表(PDF) 1 Page - Texas Instruments |
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SN74CBT3253CDB 数据表(HTML) 1 Page - Texas Instruments |
1 / 14 page SN74CBT3253C DUAL 1OF4 FET MULTIPLEXER/DEMULTIPLEXER 5V BUS SWITCH WITH 2V UNDERSHOOT PROTECTION SCDS123A − JULY 2003 − REVISED OCTOBER 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D SN74CBT3253C Functionally Identical to Industry-Standard ’3253 Function D Undershoot Protection for Off-Isolation on A and B Ports Up To −2 V D Bidirectional Data Flow, With Near-Zero Propagation Delay D Low ON-State Resistance (ron) Characteristics (ron = 3 Ω Typical) D Low Input/Output Capacitance Minimizes Loading and Signal Distortion (Cio(OFF) = 5.5 pF Typical) D Data and Control Inputs Provide Undershoot Clamp Diodes D Low Power Consumption (ICC = 3 µA Max) D VCC Operating Range From 4 V to 5.5 V D Data I/Os Support 0 to 5-V Signaling Levels (0.8-V, 1.2-V, 1.5-V, 1.8-V, 2.5-V, 3.3-V, 5-V) D Control Inputs Can Be Driven by TTL or 5-V/3.3-V CMOS Outputs D Ioff Supports Partial-Power-Down Mode Operation D Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II D ESD Performance Tested Per JESD 22 − 2000-V Human-Body Model (A114-B, Class II) − 1000-V Charged-Device Model (C101) D Supports I2C Bus Expansion D Supports Both Digital and Analog Applications: USB Interface, Bus Isolation, Low-Distortion Signal Gating description/ordering information The SN74CBT3253C is a high-speed TTL-compatible FET multiplexer/demultiplexer with low ON-state resistance (ron), allowing for minimal propagation delay. Active Undershoot-Protection Circuitry on the A and B ports of the SN74CBT3253C provides protection for undershoot up to −2 V by sensing an undershoot event and ensuring that the switch remains in the proper OFF state. The SN74CBT3253C is organized as two 1-of-4 multiplexer/demultiplexers with separate output-enable (1OE, 2OE) inputs. The select (S0, S1) inputs control the data path of each multiplexer/demultiplexer. When OE is low, the associated multiplexer/demultiplexer is enabled, and the A port is connected to the B port, allowing bidirectional data flow between ports. When OE is high, the associated multiplexer/demultiplexer is disabled, and a high-impedance state exists between the A and B ports. Copyright 2003, 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. 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. 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 1OE S1 1B4 1B3 1B2 1B1 1A GND VCC 2OE S0 2B4 2B3 2B2 2B1 2A D, DB, DBQ, OR PW PACKAGE (TOP VIEW) RGY PACKAGE (TOP VIEW) 116 89 2 3 4 5 6 7 15 14 13 12 11 10 2OE S0 2B4 2B3 2B2 2B1 S1 1B4 1B3 1B2 1B1 1A |
类似零件编号 - SN74CBT3253CDB |
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类似说明 - SN74CBT3253CDB |
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