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SN74AVC6T622ZXYR 数据表(PDF) 1 Page - Texas Instruments |
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SN74AVC6T622ZXYR 数据表(HTML) 1 Page - Texas Instruments |
1 / 23 page 1 FEATURES DNU A3 A6 A5 VCCA A2 A1 A4 GND DIR2 VCCB B5 B6 B1 B3 DIR1 B4 B2 GND DIR(345) 1 2 3 4 5 6 7 8 16 20 15 19 14 18 13 17 12 11 10 9 1 20 11 10 DIR(345) A2 DIR2 Exposed Center Pad DIR1 ZXY PACKAGE (TOP VIEW) 1 2 3 4 5 B A C D DESCRIPTION/ORDERING INFORMATION SN74AVC6T622 www.ti.com ......................................................................................................................................................................................... SCES706 – SEPTEMBER 2008 AUDIO CODEC AC'97 VOLTAGE-TRANSLATION TRANSCEIVER • Voltage-Level Transceiver for Interfacing 1.8 V • Latch-Up Performance Exceeds 100 mA Per Audio Codec (AC'97) Controllers With 3.3 V JESD 78, Class II AC'97 Codec Links • ESD Protection Exceeds JESD 22 • Configurable I/O Switching Levels With – 7000-V Human-Body Model (A114-A) Dual-Supply Pins Operating Over Full 1.2-V to – 200-V Machine Model (A115-A) 3.6-V Power-Supply Range – 1500-V Charged-Device Model (C101) • For Low-Power Operation, A and B Ports Are Placed in High-Impedance State When Either Supply Voltage Is Switched Off PW PACKAGE RGY PACKAGE TOP VIEW TOP VIEW The exposed center pad, if used, must be connected as a secondary ground or left electrically open. TERMINAL ASSIGNMENTS (20-Ball ZXY Package) A B C D 5 VCCA DIR2 DIR1 VCCB 4 A5 A4 B4 B5 3 A6 GND GND B6 2 A3 A1 B2 B1 1 DNU(1) A2 DIR(345) B3 (1) DNU – Do not use; should be left unconnected The SN74AVC6T622 is a voltage-level transceiver for interfacing 1.8 V audio codec (AC'97) controllers, the audio/analog modem functionality found in personal computers, with 3.3V AC'97 codec links. With the digital switching levels of today's AC'97 codecs lowering to 1.8-V logic levels, the SN74AVC6T622 device can be used to bridge the gap between legacy 3.3-V AC'97 codecs and AC'97 controllers that are now operating at 1.8 V. The 6-bit wide SN74AVC6T622 device complies with the AC'97 electrical interface (both levels and timing) specification. 1 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. Copyright © 2008, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
类似零件编号 - SN74AVC6T622ZXYR |
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类似说明 - SN74AVC6T622ZXYR |
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