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SN74AVC4T774_2

更新时间: 2024-11-06 09:15:07
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德州仪器 - TI 总线收发器输出元件
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19页 825K
描述
4-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS

SN74AVC4T774_2 数据手册

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SN74AVC4T774  
www.ti.com..................................................................................................................................................... SCES693BFEBRUARY 2008REVISED MAY 2008  
4-BIT DUAL-SUPPLY BUS TRANSCEIVER  
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS  
1
FEATURES  
Each Channel Has an Independent DIR Control  
Input  
Latch-Up Performance Exceeds 100 mA Per  
JESD 78, Class II  
Control Inputs VIH/VIL Levels Are Referenced to  
VCCA Voltage  
ESD Protection Exceeds the Following Levels  
(tested per JESD 22)  
Fully Configurable Dual-Rail Design Allows  
Each Port to Operate Over the Full 1.2-V to  
3.6-V Power-Supply Range  
8000-V Human-Body Model (A114-A)  
250-V Machine Model (A115-A)  
1500-V Charged-Device Model (C101)  
I/Os Are 4.6-V Tolerant  
Ioff Supports Partial Power-Down-Mode  
Operation  
Typical Data Rates  
380 Mbps (1.8-V to 3.3-V Translation)  
200 Mbps (<1.8-V to 3.3-V Translation)  
200 Mbps (Translate to 2.5 V or 1.8 V)  
150 Mbps (Translate to 1.5 V)  
100 Mbps (Translate to 1.2 V)  
PW PACKAGE  
(TOP VIEW)  
RGY PACKAGE  
(TOP VIEW)  
RSV PACKAGE  
(TOP VIEW)  
DIR1  
DIR2  
A1  
V
V
1
2
3
4
5
6
7
8
16  
15  
14  
13  
CCA  
CCB  
1
16  
16 15 14 13  
B1  
B2  
V
15  
14  
13  
12  
11  
10  
DIR2  
A1  
2
3
4
5
6
7
CCB  
1
2
3
4
12  
11  
10  
9
A1  
A2  
A3  
A4  
B1  
B2  
B3  
B4  
A2  
B1  
A3  
12 B3  
A2  
B2  
11  
10  
9
A4  
B4  
A3  
B3  
DIR3  
DIR4  
GND  
OE  
A4  
B4  
5
6
7
8
DIR3  
GND  
8
9
DESCRIPTION/ORDERING INFORMATION  
This 4-bit noninverting bus transceiver uses two separate configurable power-supply rails. The A port is designed  
to track VCCA. VCCA accepts any supply voltage from 1.2 V to 3.6 V. The B port is designed to track VCCB. VCCB  
accepts any supply voltage from 1.2 V to 3.6 V. The SN74AVC4T774 is optimized to operate with VCCA/VCCB set  
at 1.4 V to 3.6 V. It is operational with VCCA/VCCB as low as 1.2 V. This allows for universal low-voltage  
bidirectional translation between any of the 1.2-V, 1.5-V, 1.8-V, 2.5-V, and 3.3-V voltage nodes.  
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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