SN74AVC6T622

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首页 >> 产品展示 >> 集成电路 >> 信号管理 >> 接口 >> SN74AVC6T622

产品名称：SN74AVC6T622

产品封装：20BGA MICROSTAR JUNIOR, 20TSSOP, 20VQFN

产品品牌：Texas Instruments

PDF文档：下载

库　　存：查看

电　　话：0755-83035811

产品介绍

SN74AVC6T622

特性

Voltage-Level Transceiver for Interfacing 1.8 V Audio Codec (AC’97) Controllers With 3.3 V AC’97 Codec Links
Configurable I/O Switching Levels With Dual-Supply Pins Operating Over Full 1.2-V to 3.6-V Power-Supply Range
For Low-Power Operation, A and B Ports Are Placed in High-Impedance State When Either Supply Voltage Is Switched Off
Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
ESD Protection Exceeds JESD 22
- 7000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)
- 1500-V Charged-Device Model (C101)

DESCRIPTION/ORDERING INFORMATION

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.

Two supply-voltage pins allow the A-port and B-port input switching thresholds to be configured separately. The A port is designed to track V_CCA, while the B port is designed to track V_CCB. V_CCA and V_CCB can accept any supply voltage from 1.2 V to 3.6 V.

If either V_CC is switched off (V_CCA = 0 V and/or V_CCB = 0 V), all outputs are placed in the high-impedance state to conserve power.

The SN74AVC6T622 is available in two 0.5-mm-pitch ball grid array (BGA) packages. The 20-ball package has dimensions of 3 mm × 2.5 mm, and the 24-ball package measures 3 mm × 3 mm. Memory cards are widely used in mobile phones, PDAs, digital cameras, personal media players, camcorders, set-top boxes, etc. Low static power consumption and small package size make the SN74AVC6T622 an ideal choice for these applications.