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Union Semiconductor

UM2001P Datasheet Preview

UM2001P Datasheet

Bidirectional Voltage Level Translator

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UM2001P
Bidirectional Voltage Level Translator for
Open-Drain and Push-Pull Applications
UM2001P SOT363
General Description
The UM2001P is a bidirectional voltage level translator operational from 1.0V to 3.6V (VCCA) and
1.8V to 5.5V (VCCB), which allows bidirectional voltage translations between 1.0V and 5V
without the need for a direction pin in open-drain or push-pull applications. The UM2001P is a
1-bit level translator. Its transmission speeds are below 33MHz for an open-drain system with a
50pF capacitance and a pull-up resistor of 197.
The low ON-state resistance (Ron) of the switch allows connections to be made with minimal
propagation delay. When EN is high, the translator switch is ON, and the A I/O is connected to
the B I/O, allowing bidirectional data flow between ports. When EN is low, the translator switch
is off, and a high-impedance state exists between ports.
The translators provide excellent ESD protection to lower voltage devices, and at the same time
protect less ESD-resistant devices.
Applications
Features
z SPI, MICROWIRE, and I2C Level z Provides Bidirectional Voltage Translation
Translation
with No Direction Pin
z Low-Voltage ASIC Level Translation z Less than 1.5ns Maximum Propagation
z Smart Card Readers
Delay
z Cell-phone Cradles
z Low 3.5ON-State Connection between
z Portable POS Systems
Input and Output Ports Provides Less
z Portable Communication Devices
Signal Distortion
z Low-Cost Serial Interfaces
z 5V Tolerant I/O Ports to Support
z Cell-Phones
Mixed-Mode Signal Operation
z GPS
z High-Impedance A and B Pins for
z Telecommunications Equipment
EN=LOW
z Consumer Electronics
z Latch up Free Operation
z Household Appliances
z Flow through Pinout for Ease of
Printed-Circuit Board Trace Routing
z ESD Protection Exceeds:
4kV HBM per JESD22-A114
z Package Offered: SOT363
Pin Configurations
Top View
M: Month Code
UM2001P
SOT363
________________________________________________________________________
http://www.union-ic.com Rev.04 Aug.2016
1/10




Union Semiconductor

UM2001P Datasheet Preview

UM2001P Datasheet

Bidirectional Voltage Level Translator

No Preview Available !

UM2001P
Pin Description
Pin Number
1
2
3
4
5
6
Symbol
A
VCCA
GND
EN
VCCB
B
Ordering Information
Function
Low-voltage side; connected to VCCA through a pull-up
resistor
Low-voltage side reference supply voltage for A
Ground (0V)
Switch enable input; connected to VCCB and pulled-up
through a high resistor
High-voltage side reference supply voltage for B
High-voltage side; connected to VCCB through a pull-up
resistor
Part Number
UM2001P
Packaging Type
SOT363
Marking Code
UA3
Absolute Maximum Ratings (Note 1)
Over operating free-air temperature range (unless otherwise noted)
Shipping Qty
3000pcs/7Inch
Tape & Reel
Symbol
Parameter
Value
Unit
VCCA
VCCB
VI
VI/O
ICH
IIK
TSTG
Reference Voltage (A)
Reference Voltage (B)
Input Voltage
Voltage on an Input/Output Pin
Channel Current (DC)
Input Clamp Current
Storage Temperature
VI0V
-0.5 to +6
-0.5 to +6
-0.5 (Note 2) to +6
-0.5 (Note 2) to +6
+128
-50
-65 to +150
V
V
V
V
mA
mA
°C
Note 1: Stresses beyond those listed under "absolute maximum ratings" may cause permanent
damage to the device. These are stress ratings only, and functional operation of the
device at these or any other conditions beyond those indicated under "recommended
operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for
extended periods may affect device reliability.
Note 2: The input and input/output negative voltage ratings may be exceeded if the input and
input/output clamp current ratings are observed.
________________________________________________________________________
http://www.union-ic.com Rev.04 Aug.2016
2/10


Part Number UM2001P
Description Bidirectional Voltage Level Translator
Maker Union Semiconductor
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UM2001P Datasheet PDF






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