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SN74CBTLV3257RGYR Arkusz danych(PDF) 1 Page - Texas Instruments |
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SN74CBTLV3257RGYR Arkusz danych(HTML) 1 Page - Texas Instruments |
1 / 28 page Product Folder Sample & Buy Technical Documents Tools & Software Support & Community SN74CBTLV3257 SCDS040K – DECEMBER 1997 – REVISED APRIL 2015 SN74CBTLV3257 Low-Voltage 4-Bit 1-of-2 FET Multiplexer/Demultiplexer 1 Features 3 Description The SN74CBTLV3257 device is a 4-bit 1-of-2 high- 1 • 5- Ω Switch Connection Between Two Ports speed FET multiplexer/demultiplexer. The low on- • Rail-to-Rail Switching on Data I/O Ports state resistance of the switch allows connections to • Ioff Supports Partial-Power-Down Mode Operation be made with minimal propagation delay. • Latch-Up Performance Exceeds 100 mA Per The select (S) input controls the data flow. The FET JESD 78, Class II multiplexers/demultiplexers are disabled when the • ESD Protection Exceeds JESD 22 output-enable (OE) input is high. – 2000-V Human-Body Model (A114-A) This device is fully specified for partial-power-down applications using Ioff. The Ioff feature ensures that – 200-V Machine Model (A115-A) damaging current will not backflow through the device when it is powered down. The device has isolation 2 Applications during power off. • Internet of Things To ensure the high-impedance state during power up • Wireless Headphones or power down, OE should be tied to VCC through a • Television Set pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the • 4-Bit Bus Multiplexing and Demultiplexing driver. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) SSOP (16) 4.90 mm × 3.90 mm TVSOP (16) 3.60 mm × 4.40 mm SN74CBTLV3257 SOIC (16) 9.90 mm × 3.91 mm VQFN (16) 4.00 mm × 3.50 mm UQFN (16) 2.60 mm × 1.80 mm (1) For all available packages, see the orderable addendum at the end of the datasheet. Simplified Schematic (Each FET Switch) 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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