Product Descriptions
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.
Product 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)
Product Applications
? Handset
? Smartphone
? Tablet
? Desktop PC
Specifications
| Attribute | Attribute value |
| Model | ANSC-M2502242428 |
| Product Model | TXB0108PWR |
| Category | Integrated Circuits (ICs) |
| Logic | |
| Translators, Level Shifters | |
| Manufacturer | Texas Instruments |
| Series | - |
| Packaging | Tape & Reel (TR) |
| Cut Tape (CT) | |
| Digi-Reel? | |
| Part Status | Active |
| Translator Type | Voltage Level |
| Channel Type | Bidirectional |
| Number of Circuits | 1 |
| Channels per Circuit | 8 |
| Voltage - VCCA | 1.2 V ~ 3.6 V |
| Voltage - VCCB | 1.65 V ~ 5.5 V |
| Input Signal | - |
| Output Signal | - |
| Output Type | Tri-State, Non-Inverted |
| Data Rate | 100Mbps |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Features | Auto-Direction Sensing |
| Mounting Type | Surface Mount |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 20-TSSOP |
| Base Product Number | TXB0108 |
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