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TXB0104QPWRQ1 其他数据使用手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
电压电平转换器
封装:
TSSOP-14
描述:
TEXAS INSTRUMENTS TXB0104QPWRQ1 芯片, 电平转换器, 双向, 4位, TSSOP-14
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封装尺寸在P12P14P15
标记信息在P12
封装信息在P12P13P14P15
应用领域在P21
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TXB0104QPWRQ1数据手册
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1
FEATURES
14
13
12
11
10
9
8
1
2
3
4
5
6
7
OE
PW PACKAGE
(TOP VIEW)
GND
NC
A4
A3
A2
V
CCA
NC
B4
B3
B2
B1
V
CCB
A1
RGY PACKAGE
Exposed
Center
Pad
(TOP VIEW)
1 14
7 8
2
3
4
5
6
13
12
11
10
9
B1
B2
B3
B4
NC
A1
A2
A3
A4
NC
OE
V
GND
CCB
V
CCA
DESCRIPTION/ORDERING INFORMATION
TXB0104-Q1
www.ti.com
...................................................................................................................................................................................................... SCES727 – JUNE 2008
4-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR
WITH AUTOMATIC DIRECTION SENSING AND ± 15-kV ESD PROTECTION
• 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 (V
CCA
≤ V
CCB
)
– 2500-V Human-Body Model (A114-B)
• V
CC
Isolation Feature – If Either V
CC
Input Is at
– 200-V Machine Model (A115-A)
GND, All Outputs Are in the High-Impedance
– 1500-V Charged-Device Model (C101)
State
– B Port
• OE Input Circuit Referenced to V
CCA
– ± 15-kV Human-Body Model (A114-B)
• I
off
Supports Partial-Power-Down Mode
– 200-V Machine Model (A115-A)
Operation
– 1500-V Charged-Device Model (C101)
• Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
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.
This 4-bit noninverting translator uses two separate configurable power-supply rails. The A port is designed to
track V
CCA
. V
CCA
accepts any supply voltage from 1.2 V to 3.6 V. The B port is designed to track V
CCB
. V
CCB
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. V
CCA
should not exceed V
CCB
.
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 V
CCA
.
This device is fully specified for partial-power-down applications using I
off
. The I
off
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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