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SN74LVCH16T245-EP

更新时间： 2024-11-04 12:22:27
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德州仪器 - TI 总线收发器输出元件
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14页 411K
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16-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS

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SN74LVCH16T245-EP 数据手册

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SN74LVCH16T245-EP  
www.ti.com........................................................................................................................................................................................... SCES726–NOVEMBER 2008  
16-BIT DUAL-SUPPLY BUS TRANSCEIVER  
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS  
1
FEATURES  
DGG OR DGV PACKAGE  
•
Control Inputs VIH/VIL Levels Are Referenced to  
VCCA Voltage  
(TOP VIEW)  
•
VCC Isolation Feature – If Either VCC Input Is at  
GND, All Outputs Are in the High-Impedance  
State  
1
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
1DIR  
1B1  
1B2  
GND  
1B3  
1B4  
VCCB  
1B5  
1B6  
GND  
1B7  
1B8  
2B1  
2B2  
GND  
2B3  
2B4  
VCCB  
2B5  
2B6  
GND  
2B7  
2B8  
2DIR  
1OE  
1A1  
1A2  
GND  
1A3  
1A4  
VCCA  
1A5  
1A6  
GND  
1A7  
1A8  
2A1  
2A2  
GND  
2A3  
2A4  
VCCA  
2A5  
2A6  
GND  
2A7  
2A8  
2OE  
2
3
4
•
•
Overvoltage-Tolerant Inputs/Outputs Allow  
Mixed-Voltage-Mode Data Communications  
5
6
Fully Configurable Dual-Rail Design Allows  
Each Port to Operate Over the Full 1.65-V to  
5.5-V Power-Supply Range  
7
8
9
•
•
•
•
Bus Hold on Data Inputs Eliminates the Need  
for External Pullup/Pulldown Resistors  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
Ioff Supports Partial-Power-Down Mode  
Operation  
Latch-Up Performance Exceeds 100 mA Per  
JESD 78, Class II  
ESD Protection Exceeds JESD 22  
–
–
–
2000-V Human-Body Model (A114-A)  
200-V Machine Model (A115-A)  
1000-V Charged-Device Model (C101)  
SUPPORTS DEFENSE, AEROSPACE,  
AND MEDICAL APPLICATIONS  
•
•
•
•
Controlled Baseline  
One Assembly/Test Site  
One Fabrication Site  
Available in Military (–55°C/125°C)  
Temperature Ranges(1)  
•
•
•
Extended Product Life Cycle  
Extended Product-Change Notification  
Product Traceability  
(1) Additional temperature ranges are available – contact factory  
DESCRIPTION/ORDERING INFORMATION  
This 16-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 1.65 V to 5.5 V. The B port is designed to track  
VCCB. VCCB accepts any supply voltage from 1.65 V to 5.5 V. This allows for universal low-voltage bidirectional  
translation between any of the 1.8-V, 2.5-V, 3.3-V, and 5-V voltage nodes.  
The SN74LVCH16T245 is designed so that the control pins (1DIR, 2DIR, 1OE, and 2OE) are supplied by VCCA  
.
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.  
1234567...14

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