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SN74CB3Q3257RGYR Datasheet(PDF) 1 Page - Texas Instruments |
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SN74CB3Q3257RGYR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 13 page SN74CB3Q3257 4BIT 1OF2 FET MULTIPLEXER/DEMULTIPLEXER 2.5V/3.3V LOW VOLTAGE, HIGHBANDWIDTH BUS SWITCH SCDS135A – SEPTEMBER 2003 − REVISED NOVEMBER 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D High-Bandwidth Data Path (Up to 500 MHz†) D 5-V Tolerant I/Os with Device Powered-Up or Powered-Down D Low and Flat ON-State Resistance (ron) Characteristics Over Operating Range (ron = 4 Ω Typical) D Rail-to-Rail Switching on Data I/O Ports − 0- to 5-V Switching With 3.3-V VCC − 0- to 3.3-V Switching With 2.5-V VCC D Bidirectional Data Flow, With Near-Zero Propagation Delay D Low Input/Output Capacitance Minimizes Loading and Signal Distortion (Cio(OFF) = 3.5 pF Typical) D Fast Switching Frequency (fOE = 20 MHz Max) † 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, literature number SCDA008. D Data and Control Inputs Provide Undershoot Clamp Diodes D Low Power Consumption (ICC = 0.7 mA Typical) D VCC Operating Range From 2.3 V to 3.6 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 Both Digital and Analog Applications: USB Interface, Differential Signal Interface, Bus Isolation, Low-Distortion Signal Gating 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 S 1B1 1B2 1A 2B1 2B2 2A GND VCC OE 4B1 4B2 4A 3B1 3B2 3A DBQ, DGV, OR PW PACKAGE (TOP VIEW) RGY PACKAGE (TOP VIEW) 116 89 2 3 4 5 6 7 15 14 13 12 11 10 OE 4B1 4B2 4A 3B1 3B2 1B1 1B2 1A 2B1 2B2 2A description/ordering information ORDERING INFORMATION TA PACKAGE‡ ORDERABLE PART NUMBER TOP-SIDE MARKING QFN − RGY Tape and reel SN74CB3Q3257RGYR BU257 −40 °C to 85°C SSOP (QSOP) − DBQ Tape and reel SN74CB3Q3257DBQR BU257 −40 °C to 85°C TSSOP − PW Tape and reel SN74CB3Q3257PWR BU257 TVSOP − DGV Tape and reel SN74CB3Q3257DGVR BU257 ‡ Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. 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. |
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