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SN74CBT3257PWRG4 Arkusz danych(PDF) 1 Page - Texas Instruments |
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SN74CBT3257PWRG4 Arkusz danych(HTML) 1 Page - Texas Instruments |
1 / 16 page SN74CBT3257 4-BIT 1-OF-2 FET MULTIPLEXER/DEMULTIPLEXER SCDS017M − MAY 1995 − REVISED JANUARY 2004 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D 5-Ω Switch Connection Between Two Ports D TTL-Compatible Input Levels 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 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 OE 4B1 4B2 4A 3B1 3B2 1B1 1B2 1A 2B1 2B2 2A description/ordering information The SN74CBT3257 is a 4-bit 1-of-2 high-speed TTL-compatible FET multiplexer/demultiplexer. The low on-state resistance of the switch allows connections to be made with minimal propagation delay. Output-enable (OE) and select-control (S) inputs select the appropriate B1 and B2 outputs for the A-input data. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING QFN − RGY Tape and reel SN74CBT3257RGYR CU257 SOIC D Tube SN74CBT3257D CBT3257 SOIC − D Tape and reel SN74CBT3257DR CBT3257 −40 °C to 85°C SSOP − DB Tape and reel SN74CBT3257DBR CU257 40 C to 85 C SSOP (QSOP) − DBQ Tape and reel SN74CBT3257DBQR CU257 TSSOP PW Tube SN74CBT3257PW CU257 TSSOP − PW Tape and reel SN74CBT3257PWR CU257 † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. FUNCTION TABLE INPUTS FUNCTION OE S FUNCTION L L A port = B1 port L H A port = B2 port H X Disconnect Copyright © 2004, Texas Instruments Incorporated 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. 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. |
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