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SN74AVC6T622

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Audio Codec AC'97 Voltage-Translation Transceiver

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Data sheet

SN74AVC6T622

ACTIVE
Data sheet Order now

Product details

Bits (#) 6 Data rate (max) (Mbps) 190 Topology Push Pull Vin (min) (V) 1.2 Vin (max) (V) 3.6 Vout (min) (V) 1.2 Vout (max) (V) 3.6 Applications I2S Features Overvoltage tolerant inputs, Partial power down (Ioff) Technology family AVC Supply current (max) (mA) 0.015 Rating Catalog Operating temperature range (°C) -40 to 85
Bits (#) 6 Data rate (max) (Mbps) 190 Topology Push Pull Vin (min) (V) 1.2 Vin (max) (V) 3.6 Vout (min) (V) 1.2 Vout (max) (V) 3.6 Applications I2S Features Overvoltage tolerant inputs, Partial power down (Ioff) Technology family AVC Supply current (max) (mA) 0.015 Rating Catalog Operating temperature range (°C) -40 to 85
TSSOP (PW) 20 41.6 mm² (6.5 mm × 6.4 mm) VQFN (RGY) 20 15.75 mm² (4.5 mm × 3.5 mm)
  • 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)
  • 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)

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 VCCA, while the B port is designed to track VCCB. VCCA and VCCB can accept any supply voltage from 1.2 V to 3.6 V.

If either VCC is switched off (VCCA = 0 V and/or VCCB = 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.

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 VCCA, while the B port is designed to track VCCB. VCCA and VCCB can accept any supply voltage from 1.2 V to 3.6 V.

If either VCC is switched off (VCCA = 0 V and/or VCCB = 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.
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* Data sheet Audio Codec AC'97 Voltage-Translation Transceiver datasheet (Rev. A) Mar 24, 2009
Application note Schematic Checklist - A Guide to Designing With Fixed or Direction Control Translators PDF | HTML Oct 2, 2024
Application note Schematic Checklist - A Guide to Designing with Auto-Bidirectional Translators PDF | HTML Jul 12, 2024
Application note Understanding Transient Drive Strength vs. DC Drive Strength in Level-Shifters (Rev. A) PDF | HTML Jul 3, 2024
Selection guide Voltage Translation Buying Guide (Rev. A) Apr 15, 2021

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