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SN74AVC8T245QPWRQ1

更新时间： 2024-11-20 02:58:47
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德州仪器 - TI 输出元件
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22页 681K
描述
8-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS

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SN74AVC8T245QPWRQ1 数据手册

 浏览型号SN74AVC8T245QPWRQ1的Datasheet PDF文件第2页浏览型号SN74AVC8T245QPWRQ1的Datasheet PDF文件第3页浏览型号SN74AVC8T245QPWRQ1的Datasheet PDF文件第4页浏览型号SN74AVC8T245QPWRQ1的Datasheet PDF文件第5页浏览型号SN74AVC8T245QPWRQ1的Datasheet PDF文件第6页浏览型号SN74AVC8T245QPWRQ1的Datasheet PDF文件第7页 
SN74AVC8T245-Q1  
www.ti.com  
SCES785A –DECEMBER 2008–REVISED JUNE 2011  
8-BIT DUAL-SUPPLY BUS TRANSCEIVER  
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS  
Check for Samples: SN74AVC8T245-Q1  
1
FEATURES  
•
Qualified for Automotive Applications  
Control Inputs VIH/VIL Levels Are Referenced to  
VCCA Voltage  
VCC Isolation Feature – If Either VCC Input Is at  
GND, All I/O Ports Are in the High-Impedance  
State  
Ioff Supports Partial Power-Down-Mode  
Operation  
Each Port to Operate Over the Full 1.4-V to  
3.6-V Power-Supply Range  
I/Os Are 4.6-V Tolerant  
Max Data Rates  
•
•
•
•
–
–
170 Mbps (VCCA < 1.8 V or VCCB < 1.8 V)  
320 Mbps (VCCA ≥ 1.8 V and VCCB ≥ 1.8 V)  
•
•
•
Latch-Up Performance Exceeds 100 mA Per  
JESD 78, Class II  
Fully Configurable Dual-Rail Design Allows  
RHL PACKAGE  
(TOP VIEW)  
PW PACKAGE  
(TOP VIEW)  
V
V
CCB  
1
2
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
CCA  
V
CCB  
DIR  
A1  
3
OE  
B1  
B2  
B3  
B4  
B5  
B6  
B7  
B8  
GND  
1
24  
4
A2  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
2
VCCB  
OE  
B1  
DIR  
A1  
5
A3  
3
6
A4  
A5  
7
4
A2  
8
A6  
5
B2  
A3  
9
A7  
6
B3  
A4  
A8  
10  
11  
12  
7
B4  
A5  
GND  
GND  
8
B5  
A6  
9
B6  
A7  
10  
11  
B7  
A8  
B8  
GND  
12  
13  
DESCRIPTION/ORDERING INFORMATION  
This 8-bit noninverting bus transceiver uses two separate configurable power-supply rails. The SN74AVC8T245  
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. 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. 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.  
The SN74AVC8T245 is designed for asynchronous communication between data buses. The device transmits  
data from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the  
direction-control (DIR) input. The output-enable (OE) input can be used to disable the outputs so the buses are  
effectively isolated.  
The SN74AVC8T245 is designed so the control pins (DIR and OE) are supplied by VCCA  
.
The SN74AVC8T245 solution is compatible with a single-supply system and can be replaced later with a '245  
function, with minimal printed circuit board redesign.  
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 © 2008–2011, 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.  
1234567...22

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SN74AVC8T245QPWRQ1 替代型号

型号 品牌 替代类型 描述 数据表
74AVC8T245PW NEXPERIA

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