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SN74CB3Q16244DGGR 데이터시트(PDF) 1 Page - Texas Instruments |
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SN74CB3Q16244DGGR 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 21 page 1A1 SW 1B1 1A4 1OE SW 1B4 3A1 SW 3B1 3A4 3OE SW 3B4 47 43 1 36 32 25 2 6 13 17 2A1 SW 2B1 2A4 2OE SW 2B4 4A1 SW 4B1 4A4 4OE SW 4B4 41 37 48 30 26 24 8 12 19 23 Product Folder Sample & Buy Technical Documents Tools & Software Support & Community SN74CB3Q16244 SCDS168A – MAY 2004 – REVISED SEPTEMBER 2015 SN74CB3Q16244 16-Bit FET Bus Switch 2.5-V – 3.3-V Low-Voltage High-Bandwidth Bus Switch 1 Features 2 Applications 1 • High-Bandwidth Data Path (Up to 500 MHz)(1) • IP Phones: Wired and Wireless • 5-V Tolerant I/Os With Device Powered Up or • Optical Modules Powered Down • Optical Networking: Video Over Fiber and EPON • Low and Flat ON-State Resistance (ron) • Private Branch Exchange (PBX) Characteristics Over Operating Range • WiMAX and Wireless Infrastructure Equipment (ron= 5 Ω Typical) • Rail-to-Rail Switching on Data I/O Ports 3 Description – 0 to 5-V Switching With 3.3-V VCC The SN74CB3Q16244 device is a high-bandwidth FET bus switch using a charge pump to elevate the – 0 to 3.3-V Switching With 2.5-V VCC gate voltage of the pass transistor, providing a low • Bidirectional Data Flow With Near-Zero and flat ON-state resistance (ron). The low and flat Propagation Delay ON-state resistance allows for minimal propagation • Low Input and Output Capacitance Minimizes delay and supports rail-to-rail switching on the data Loading and Signal Distortion input/output (I/O) ports. The SN74CB3Q16244 device also features low data I/O capacitance to minimize (Cio(OFF) = 4 pF Typical) capacitive loading and signal distortion on the data • Fast Switching Frequency (fOE = 20 MHz bus. Specifically designed to support high-bandwidth Maximum) applications, the SN74CB3Q16244 device provides • Data and Control Inputs Provide Undershoot an optimized interface solution ideally suited for Clamp Diodes broadband communications, networking, and data- intensive computing systems. • Low Power Consumption (ICC = 1 mA Typical) • VCC Operating Range From 2.3 V to 3.6 V Device Information(1) • Data I/Os Support 0 to 5-V Signaling Levels PART NUMBER PACKAGE BODY SIZE (NOM) (0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, 5 V) SN74CB3Q16244DGG TSSOP (48) 12.50 mm × 6.10 mm • Control Inputs Can Be Driven by TTL or SN74CB3Q16244DGV TVSOP (48) 9.70 mm × 4.40 mm 5-V and 3.3-V CMOS Outputs SN74CB3Q16244DL SSOP (48) 15.88 mm × 7.49 mm • Ioff Supports Partial-Power-Down Mode Operation (1) For all available packages, see the orderable addendum at • Latch-Up Performance Exceeds 100 mA the end of the data sheet. Per JESD 78, Class II Logic Diagram (Positive Logic) • 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 (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. |
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