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SN74CB3Q3257PWR Folha de dados(PDF) 1 Page - Texas Instruments |
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SN74CB3Q3257PWR Folha de dados(HTML) 1 Page - Texas Instruments |
1 / 25 page 1B1 1A OE 1B2 SW SW 2B1 2A 2B2 SW SW 3B1 3A 3B2 SW SW 4B1 4A 4B2 SW SW S 4 7 9 12 1 15 2 3 5 6 11 10 14 13 Product Folder Sample & Buy Technical Documents Tools & Software Support & Community SN74CB3Q3257 SCDS135B – SEPTEMBER 2003 – REVISED JUNE 2015 SN74CB3Q3257 4-Bit 1-of-2 FET Multiplexer/Demultiplexer 2.5-V/3.3-V Low-Voltage High-Bandwidth Bus Switch 1 Features 2 Applications 1 • High-Bandwidth Data Path • IP Phones: Wired and Wireless (up to 500 MHz) • Optical Modules • 5-V Tolerant I/Os With Device Powered Up or • Optical Networking: Video Over Fiber and EPON Powered Down • Private Branch Exchange (PBX) • Low and Flat ON-State Resistance (ron) • WiMAX and Wireless Infrastructure Equipment Characteristics Over Operating Range (ron= 4 Ω Typical) 3 Description • Rail-to-Rail Switching on Data I/O Ports The SN74CB3Q3257 device is a high-bandwidth FET bus switch utilizing a charge pump to elevate the gate – 0- to 5-V Switching With 3.3-V VCC voltage of the pass transistor, providing a low and flat – 0- to 3.3-V Switching With 2.5-V VCC ON-state resistance (ron). • Bidirectional Data Flow With Near-Zero Propagation Delay Device Information(1) • Low Input and Output Capacitance Minimizes PART NUMBER PACKAGE BODY SIZE (NOM) Loading and Signal Distortion SN74CB3Q3257D SOIC (16) 9.90 mm × 3.91 mm (Cio(OFF) = 3.5 pF Typical) SN74CB3Q3257DB SSOP (6) 6.20 mm × 5.30 mm • Fast Switching Frequency (f OE = 20 MHz SN74CB3Q3257DGV TVSOP (16) 3.60 mm × 4.40 mm Maximum) SN74CB3Q3257DBQ SSOP (16) 4.90 mm × 3.90 mm • Data and Control Inputs Provide Undershoot SN74CB3Q3257PW TSSOP (16) 5.00 mm × 4.40 mm Clamp Diodes SN74CB3Q3257RGY VQFN (16) 4.00 mm × 3.50 mm • Low Power Consumption (1) For all available packages, see the orderable addendum at (ICC = 0.7 mA Typical) the end of the data sheet. • VCC Operating Range From 2.3 V to 3.6 V Logic Diagram (Positive Logic) • 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) • Control Inputs Can Be Driven by TTL or 5-V/3.3-V CMOS Outputs • Ioff Supports Partial-Power-Down Mode Operation • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II • ESD Performance Tested Per JESD 22 – 2000-V Human Body Model (A114-B, Class II) – 1000-V Charged-Device Model (C101) • Supports Both Digital and Analog Applications: USB Interface, Differential Signal Interface, Bus Isolation, Low-Distortion Signal Gating (1) (1) For additional information regarding the performance characteristics of the CB3Q family, refer to the TI application report, CBT-C, CB3T, and CB3Q Signal-Switch Families, SCDA008. 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
Nº de peça semelhante - SN74CB3Q3257PWR |
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Descrição semelhante - SN74CB3Q3257PWR |
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