Datasheet > UM3304Q

UM3304Q

更新时间： 2024-10-31 01:13:11

品牌	Logo	应用领域
英联电子 - UNIONSEMI		/
页数	文件大小	规格书
15页	423K
描述
4-Bit Bidirectional Voltage-Level Translator with Auto Direction Sensing and ESD Protection

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UM3304Q 数据手册

UM3304/UM3304Q/UM3304QT

4-Bit Bidirectional Voltage-Level Translator with Auto Direction

Sensing and ±4kV ESD Protection

UM3304 CSP12 1.9×1.4

UM3304Q QFN14 3.5×3.5

UM3304QT QFN16 2.6×1.8

General Description

UM3304/UM3304Q/UM3304QT is quad channel level translator with auto direction sensing and

±4kV ESD protection. This 4-channel non-inverting translator uses two separate configurable

power-supply rails. The A port is designed to track V_CCA. V_CCAaccepts any supply voltage from

1.2V to 3.6V. The B port is designed to track V_CCB. V_CCBaccepts any supply voltage from 1.65V

to 5.5V. This allows for universal low-voltage bidirectional translation between any of the 1.2V,

1.5V, 1.8V, 2.5V, 3.3V, and 5V voltage nodes. Both I/O ports are auto-sensing; thus, no direction

pin is required, making it ideal for data transfer between low-voltage ASICs /PLDs and higher

voltage systems.

The UM3304/UM3304Q/UM3304QT operates at a guaranteed data rate of 20Mbps over the entire

specified operating voltage range. Within specific voltage domains, higher data rates are up to

100Mbps.

When the output-enable (OE) input is low, all outputs are placed in the high-impedance state. The

UM3304/UM3304Q/UM3304QT is designed so that the OE input circuit is designed to track

V_CCA

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.

The UM3304 is a quad level translator available in 1.90mm×1.40mm CSP12 bump package while

the UM3304Q is packaged in a 3.50mm×3.50mm QFN14 package and the UM3304QT is

packaged in a 2.60mm ×1.80mm QFN16 package.

Applications

Features



Low-Voltage ASIC Level Translation

Cell-Phone Cradles

Portable POS Systems

Portable Communication Devices

Low-Cost Serial Interfaces

Cell-Phones



1.2V to 3.6V on A Port and 1.65V to 5.5V

on B Port (V_CCA≤V_CCB

V_CCIsolation Feature – If Either V_CC

Input is at GND, All Outputs are in the

High-Impedance State

OE Input Circuit Referenced to V_CCA

Low Power Consumption

Latch-Up Performance Exceeds 100mA

±4kV ESD Protection on B Ports

)



GPS

Telecommunications Equipment

________________________________________________________________________

http://www.union-ic.com Rev.15 Aug.2015 1/15

12 3 4 5 6 7...15

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与UM3304Q相关器件

型号	品牌	获取价格	描述	数据表
UM3304QT	UNIONSEMI	获取价格	4-Bit Bidirectional Voltage-Level Translator with Auto Direction Sensing and ESD Protectio
UM3308_16	UNIONSEMI	获取价格	8-Bit Bidirectional Voltage-Level Translator
UM3308H	UNIONSEMI	获取价格	8-Bit Bidirectional Voltage-Level Translator
UM330EEUE	UNIONSEMI	获取价格	Quad, Wide-Bandwidth SPDT Video Analog Switch
UM3311	ETC	获取价格	10 WTT DC-DC CONVERTERS
UM3321	ETC	获取价格	10 WTT DC-DC CONVERTERS
UM3352E	UNIONSEMI	获取价格	Â±12kV ESD-Protected, Slew-Rate-Limited, Fail
UM3352E_15	UNIONSEMI	获取价格	ESD-Protected, Slew-Rate-Limited, Fail-Safe, True RS-485 Transceivers
UM3352EEPA	UNIONSEMI	获取价格	ESD-Protected, Slew-Rate-Limited, Fail-Safe, True RS-485 Transceivers
UM3352EESA	UNIONSEMI	获取价格	ESD-Protected, Slew-Rate-Limited, Fail-Safe, True RS-485 Transceivers

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