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SN74AVC6T622ZXYR 数据表(PDF) 1 Page - Texas Instruments

部件名 SN74AVC6T622ZXYR
功能描述  AUDIO CODEC AC 97 VOLTAGE-TRANSLATION TRANSCEIVER
Download  23 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

SN74AVC6T622ZXYR 数据表(HTML) 1 Page - Texas Instruments

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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.


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