TXB0108YZPR2集成電路（IC）的轉(zhuǎn)換器電平移位器規(guī)格書(shū)PDF中文資料

1 Features

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

Port (VCCA ≤ VCCB)

? VCC Isolation Feature – If Either VCC Input Is at

GND, All Outputs Are in the High-Impedance State

? OE Input Circuit Referenced to VCCA

? Low Power Consumption, 4μA Max ICC

? Ioff Supports Partial-Power-Down Mode Operation

? Latch-Up Performance Exceeds 100mA Per JESD

78, Class II

? ESD Protection Exceeds JESD 22

– A Port

? 2000V Human-Body Model (A114-B)

? 1000V Charged-Device Model (C101)

– B Port

? ±15kV Human-Body Model (A114-B)

? ±8kV Human-Body Model (A114-B) (YZP

Package Only)

? 1000V Charged-Device Model (C101)

2 Applications

? Handset

? Smartphone

? Tablet

? Desktop PC

3 Description

This 8-bit noninverting translator uses two separate

configurable power-supply rails. The A port is

designed to track VCCA. VCCA accepts any supply

voltage from 1.2V to 3.6V. The B port is designed

to track VCCB. VCCB accepts 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. VCCA should

not exceed VCCB.

When the output-enable (OE) input is low, all outputs

are placed in the high-impedance state.

The TXB0108 is designed so that the OE input circuit

is supplied by VCCA.

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

pulldown resistor; the minimum value of the resistor

is determined by the current-sourcing capability of the

driver.