TXB0108DQSR Programmable Logic ICS Voltage Levels 8B Bidir Vltg-Level Translator
logic integrated circuits
,programmable logic array ic
TXB0108DQSR Programmable Logic ICS Voltage Levels 8B Bidir Vltg-Level Translator
1 Features
- 1.2Vto3.6VonAPortand1.65Vto5.5Von 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, 4-μA Max ICC
-
Ioff Supports Partial-Power-Down Mode Operation
-
Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
-
ESD Protection Exceeds JESD 22
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 1.2 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.
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.
Device Information
|
PART NUMBER |
PACKAGE |
BODY SIZE (NOM) |
|
TXB0108 |
TVSOP (20) |
5.00 mm x 4.40 mm |
|
SON (20) |
2.00 mm x 4.00 mm |
|
|
BGA MICROSTAR JUNIOR (20) |
2.50 mm x 3.00 mm |
|
|
TSSOP (20) |
6.50 mm x 4.40 mm |
|
|
VQFN (20) |
4.50 mm x 3.50 mm |
|
|
DSGBA (20) |
1.90 mm x 2.40 mm |
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