2024/5/31 11:33:14
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1 Features
• Available in the Texas Instruments NanoFree™ Package
• 1.2 V to 3.6 V on A Port and 1.65 V to 5.5 V 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, 5 μA Maximum ICC
• Ioff Supports Partial-Power-Down Mode Operation
• Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
• ESD Protection Exceeds JESD 22
– A Port – 2000 V Human Body Model (A114-B)
– 250 V Machine Model (A115-A)
– 1500 V Charged-Device Model (C101)
– B Port – 15 kV Human Body Model (A114-B)
– 250 V Machine Model (A115-A)
– 1500 V Charged-Device Model (C101)
2 Applications
• Handsets
• Smartphones
• Tablets
• Desktop PCs
3 Description
This 1-bit noninverting translator uses two separate configurable power-supply rails. The A port is designed to track VCCA. VCCA accepts any supply voltage from 1.2 V to 3.6 V. The B port is designed to track VCCB. VCCB accepts any supply voltage from 1.65 V to 5.5 V. This allows for universal low-voltage bidirectional translation between any of the 1.2-V, 1.5-V, 1.8-V, 2.5-V, 3.3-V, and 5-V voltage nodes. VCCA should not exceed VCCB.
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 pulldown resistor; the minimum value of the resistor is determined by the current-sourcing capability of the driver.
NanoFree™ package technology is a major breakthrough in IC packaging concepts, using the die as the package.
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