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TXB0104-Q1 PDF预览

TXB0104-Q1

更新时间: 2024-09-10 08:31:55
品牌 Logo 应用领域
德州仪器 - TI 转换器电平转换器
页数 文件大小 规格书
20页 630K
描述
4-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR WITH AUTOMATIC DIRECTION SENSING AND 15-kV ESD PROTECTION

TXB0104-Q1 数据手册

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TXB0104-Q1  
www.ti.com ...................................................................................................................................................................................................... SCES727JUNE 2008  
4-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR  
WITH AUTOMATIC DIRECTION SENSING AND ±15-kV ESD PROTECTION  
1
FEATURES  
Qualified for Automotive Applications  
ESD Protection Exceeds JESD 22  
1.2 V to 3.6 V on A Port and 1.65 V to 5.5 V on  
A Port  
B Port (VCCA VCCB  
)
2500-V Human-Body Model (A114-B)  
VCC Isolation Feature – If Either VCC Input Is at  
GND, All Outputs Are in the High-Impedance  
State  
200-V Machine Model (A115-A)  
1500-V Charged-Device Model (C101)  
B Port  
OE Input Circuit Referenced to VCCA  
±15-kV Human-Body Model (A114-B)  
Ioff Supports Partial-Power-Down Mode  
Operation  
200-V Machine Model (A115-A)  
1500-V Charged-Device Model (C101)  
Latch-Up Performance Exceeds 100 mA Per  
JESD 78, Class II  
PW PACKAGE  
(TOP VIEW)  
RGY PACKAGE  
(TOP VIEW)  
V
V
CCB  
CCA  
A1  
A2  
A3  
A4  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
B1  
B2  
B3  
B4  
1
14  
A1  
13 B1  
2
3
4
5
6
12  
11  
10  
9
A2  
A3  
A4  
NC  
B2  
B3  
B4  
NC  
Exposed  
Center  
Pad  
NC  
NC  
OE  
GND  
8
7
8
NC No internal connection  
For RGY, if the exposed center pad is used, it must be connected only to as a secondary ground or left electrically  
open.  
DESCRIPTION/ORDERING INFORMATION  
This 4-bit noninverting translator 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 1.65 V to 5.5 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, 3.3-V, and 5-V voltage nodes. VCCA should not exceed VCCB  
.
When the output-enable (OE) input is low, all outputs are placed in the high-impedance state. To ensure the  
high-impedance state during power up or power down, OE should be tied to GND through a pulldown resistor;  
the minimum value of the resistor is determined by the current-sourcing capability of the driver.  
The TXB0104 is designed so that the OE input circuit is supplied by VCCA  
.
This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs,  
preventing damaging current backflow through the device when it is powered down.  
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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