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SN74CBT16390DGG Folha de dados(PDF) 1 Page - Texas Instruments |
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SN74CBT16390DGG Folha de dados(HTML) 1 Page - Texas Instruments |
1 / 5 page SN74CBT16390 16-BIT TO 32-BIT FET MULTIPLEXER/DEMULTIPLEXER BUS SWITCH SCDS035C – OCTOBER 1997 – REVISED OCTOBER 1998 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D 5-Ω Switch Connection Between Two Ports D TTL-Compatible Input Levels D ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0) D Latch-Up Performance Exceeds 250 mA Per JESD 17 D Package Options Include Plastic Thin Shrink Small-Outline (DGG), Thin Very Small-Outline (DGV), and 300-mil Shrink Small-Outline (DL) Packages description The SN74CBT16390 is a 16-bit to 32-bit switch used in applications in which two separate data paths must be multiplexed onto, or demultiplexed from, a single path. This device can be used for memory interleaving, in which two different banks of memory must be addressed simultaneously. This also can be used to connect or isolate the PCI bus to one or two slots simultaneously. Two output enables (OE1 and OE2) control the data flow. When OE1 is low, A port is connected to 1B port. When OE2 is low, A port is connected to 2B port. When both OE1 and OE2 are low, the A port is connected to both 1B and 2B ports. The control inputs can be driven with a 5-V CMOS, 5-V TTL, or an LVTTL driver. The SN74CBT16390 is characterized for operation from –40 °C to 85°C. FUNCTION TABLE INPUTS FUNCTION OE1 OE2 FUNCTION L L A = 1B and A = 2B L H A = 1B H L A = 2B H H Isolation DGG, DGV, OR DL PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 A1 2B1 2B2 A3 2B3 2B4 A5 2B5 2B6 A7 2B7 2B8 GND VCC A9 2B9 2B10 A11 2B11 2B12 A13 2B13 2B14 A15 2B15 2B16 NC NC 1B1 1B2 A2 1B3 1B4 A4 1B5 1B6 A6 1B7 1B8 A8 GND VCC 1B9 1B10 A10 1B11 1B12 A12 1B13 1B14 A14 1B15 1B16 A16 OE1 OE2 NC – No internal connection Copyright © 1998, 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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