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TXS0202 Datasheet Preview

TXS0202 Datasheet

Voltage-Level Translator

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TXS0202
www.ti.com
SCES711A JUNE 2011 REVISED JUNE 2011
A Inter Chip-USB Voltage Level Translator
Check for Samples: TXS0202
FEATURES
1
No Direction Control Signal Required
VCCA, VCCB Supply Voltage: 1.65 V to 3.6 V
Meets All Requirements of the IC-USB
Standard
Small Packages: WCSP
Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
Ioff Supports Partial-Power-Down Mode
Operation
ESD Performance
A port (Host-Side)
2000-V Human-Body Model
100-V Machine Model
500-V Charged-Device Model
B port (Peripheral-Side)
– >4kV HBM
12
A
B
C
D
Table 1. YZP TERMINAL ASSIGNMENTS
(Top Through View)
1
A
D+(B)
B
GND
C
VCCA
D
D+(A)
2
D(B)
VCCB
OE
D(A)
DESCRIPTION
The TXS0202 is a 2-bit voltage level translator optimized for use in Interchip USB (IC-USB) applications. VCCA
and VCCB can each operate over the full range of 1.65 V to 3.6 V. The device has been designed to maintain
cross-over skew to be less than 1 ns. The device has integrated pull-ups and pull-down resistors to aid in the
protocol communication between a host and a peripheral. The translator is a buffered auto-direction sensing type
translator. When the output-enable (OE) input is low, all outputs are placed in the high-impedance state.
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. To ensure the
high-impedance state during power up or power down, OE should be tied to GND through a pull-down resistor;
the minimum value of the resistor is determined by the current-sourcing capability of the driver.
TA
40°C to 85°C
ORDERING INFORMATION(1)
PACKAGE (2)
ORDERABLE PART NUMBER
WSCP YZP
Tape and reel
TXS0202YZPR
TOP-SIDE MARKING
_ _ _ 7PS _(3)
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
website at www.ti.com.
(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
(3) YZP: The actual top-side marking has three preceding characters to denote year, month, and sequence code, and one following
character to designate the wafer fab/assembly site.
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.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2011, Texas Instruments Incorporated




etcTI

TXS0202 Datasheet Preview

TXS0202 Datasheet

Voltage-Level Translator

No Preview Available !

TXS0202
SCES711A JUNE 2011 REVISED JUNE 2011
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
TYPICAL APPLICATION BLOCK DIAGRAM
1.8 V
3V
Application
Processor
VCCA
VCCB
D+
D+(A)
D+(B)
D+
D–
D–(A)
D–(B)
D–
OE
GND
TXS0202
MM SIM Card
PIN
WSCP (YFP)
BALL NO.
A1
A2
B1
B2
C1
C2
D1
D2
NAME
D+(B)
D(B)
GND
VCCB
VCCA
OE
D+(A)
D(A)
CONTROL INPUT
OE
L
H
PIN FUNCTIONS
DESCRIPTION
USB data signal connected to peripheral
USB data signal connected to peripheral
Ground
B-side supply voltage (1.65 V to 3.6 V)
A-side supply voltage (1.65 V to 3.6 V)
Output enable input control
USB data signal connected to host
USB data signal connected to host
FUNCTIONAL TABLE
OUTPUT CIRCUIT
B PORT
OPERATION
Hi-Z
Isolation
Enabled
Bi-directional communications between host and peripheral
2
Submit Documentation Feedback
Product Folder Link(s): TXS0202
Copyright © 2011, Texas Instruments Incorporated


Part Number TXS0202
Description Voltage-Level Translator
Maker etcTI
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TXS0202 Datasheet PDF






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