Datasheet > SGM4556

SGM4556

更新时间： 2024-10-03 11:13:11

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
7页	467K
描述
2-Bit Bidirectional Voltage-Level Translator with Auto Direction Sensing

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SGM4556 数据手册

SGM4556

2-Bit Bidirectional Voltage-Level

Translator with Auto Direction Sensing

GENERAL DESCRIPTION

FEATURES

The SGM4556 is a 2-bit, non-inverting, bidirectional

voltage-level translator which features two independent

configurable power-supply lines. The A and B ports

track the V_CCAsupply and V_CCBsupply respectively. The

supply voltage range is 1.2V to 5.0V for A ports and

1.65V to 5.5V for B ports. The device provides a

bidirectional translation function between the different

voltage nodes (including 1.2V, 1.5V, 1.8V, 2.5V, 3.3V

and 5V).

● Power Supply Voltage Range (V_CCA≤ V_CCB

 A Ports: 1.2V to 5.0V

)

 B Ports: 1.65V to 5.5V

● Support V_CCAor V_CCBIsolation

 When V_CCAor V_CCBis Low, Device Enters

Power-Down Mode

● OE Input Circuit Referenced to V_CCA

● Support Partial-Power-Down Function

● Support Push-Pull Output

● Low Power Consumption

The SGM4556 has an output enable (OE) function,

which controls the outputs states. When OE goes low,

all outputs enter into the high-impedance state. When

V^CCAis powered, OE has an internal pull-down current

source. The OE should be connected to GND via a

pull-down resistor, and the minimum resistor value is

depended on the current source capability of the driver.

● -40℃ to +85℃ Operating Temperature Range

● Available in Green XTDFN-1.4×1-8L and SOT-23-8

Packages

APPLICATIONS

Universal Asynchronous Receiver/Transmitter (UART)

General Purpose I/O (GPIO)

The SGM4556 is available in Green XTDFN-1.4×1-8L

and SOT-23-8 packages. It operates over an ambient

temperature range of -40℃ to +85℃.

TYPICAL APPLICATION

3.3V

1.8V

0.1μF

V_CCA

V_CCB

1.8V

3.3V

Controller

SGM4556

I/O

GND

Figure 1. Typical Application Circuit

SG Micro Corp

AUGUST2014–REV. A

www.sg-micro.com

12 3 4 5 6 7

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