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SN74CBT3345 데이터시트(PDF) 1 Page - Texas Instruments |
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SN74CBT3345 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 16 page SN74CBT3345 8BIT FET BUS SWITCH SCDS027I − MAY 1995 − REVISED JANUARY 2004 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Standard ’245-Type Pinout D 5-Ω Switch Connection Between Two Ports D TTL-Compatible Input Levels description/ordering information The SN74CBT3345 provides eight bits of high-speed TTL-compatible bus switching in a standard ’245 device pinout. The low on-state resistance of the switch allows connections to be made with minimal propagation delay. The device is organized as one 8-bit switch bank with dual output-enable (OE and OE) inputs. When OE is low or OE is high, the switch is on, and port A is connected to port B. When OE is high and OE is low, the switch is open, and the high-impedance state exists between the two ports. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING SOIC − DW Tube SN74CBT3345DW CBT3345 SOIC − DW Tape and reel SN74CBT3345DWR CBT3345 SSOP − DB Tape and reel SN74CBT3345DBR CU345 −40 °C to 85°C SSOP (QSOP) − DBQ Tape and reel SN74CBT3345DBQR CBT3345 −40 C to 85 C TSSOP − PW Tube SN74CBT3345PW CU345 TSSOP − PW Tape and reel SN74CBT3345PWR CU345 TVSOP − DGV Tape and reel SN74CBT3345DGVR CU345 † 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 OE FUNCTION H X A port = B port X L A port = B port L H Disconnect 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. Copyright 2004, 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. 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 OE A1 A2 A3 A4 A5 A6 A7 A8 GND VCC OE B1 B2 B3 B4 B5 B6 B7 B8 DB, DBQ, DGV, DW, OR PW PACKAGE (TOP VIEW) |
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유사한 설명 - SN74CBT3345_16 |
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