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Technical content

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 „ EO Input Circuit Referenced to VCCA „ Low Power Consumption, 5µA Max ICC „ No Power-Supply Sequencing Required-Either VCCA or VCCB Can be Ramped First „ Ioff Supports Partial-Power-Down Mode Operation „ Latch-Up Performance Exceeds 100mA Per JESD 78, Class II „ ESD Protection Exceeds JESD 22 – A Port 2500V Human-Body Model (A114-B) 1500V Charged-Device Model (C101) – B Port ±15kV Human-Body Model (A114-B) 1500V Charged-Device Model (C101) „ SC-70-6 (SOT-363), SOT-23-6, SOT-23-8, AQFN1.7X2.0-12 and AQFN1.5X1.5-8 Package General Description This 4-bit noninverting translator uses two separate configurable power-supply rails. The A port is de- signed to track V CCA. VCCA accepts any supply volt- age from 1.2V to 3.6V. The B port is designed to track V CCB. V CCB accepts any supply voltage from 1.65V to 5.5V. This allows for universal low-voltage bidirectional translation between any of the 1.2V, CCA should not exceed VCCB. When the enable-output (EO) input is low, all outputs are placed in the high-impedance state. To ensure the high-impedance state during power up or power down, EO 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. The G2129 is designed so that the EO input circuit is supplied by V CCA. This device is fully specified for partial-power-down applications using I off. The I off circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

Ordering Information

NUMBER MARKING TEMP. RANGE PACKAGE (Green) G2129TL1U 219x -40 °C to +85°C SC-70-6 (SOT-363) G2129TB1U 2129x -40 °C to +85°C SOT-23-6 G2129TM1U 2129x -40 °C to +85°C SOT-23-8 G2129AE1U 2129 -40 °C to +85°C AQFN1.7X2.0-12 G2129A71U 29 xx -40°C to +85°C AQFN1.5X1.5-8 Note: TL: SC-70-6 (SOT-363) TB: SOT-23-6 TM: SOT-23-8 AE: AQFN1.7X2.0-12 A7: AQFN1.5X1.5-8 1: Bonding Code U: Tape & Reel P i n C o n f i g u r a t i o n T y p i c a l A p p l i c a t i o n C i r c u i t VCCB EOGND VCCA 1 3 4 G2129 SC-70-6 (SOT-363)/ SOT-23-6 VCCA SOT-23-8 4 5 G2129 VCCB EO GND 1.8V 0.1µF 1.8V System Controller GND Data Data GND EO VCCBVCCA Data Data GND 3.3V System 0.1µF 3.3V G2129 AQFN1.7X2.0-12 VCCA GND VCCB EO 4 8 AQFN1.5X1.5-8 GND VCCB EO VCCA G2129 VCCB EOGND VCCA 1 3 4 G2129 SC-70-6 (SOT-363)/ SOT-23-6 VCCA SOT-23-8 4 5 G2129 VCCB EO GND 1.8V 0.1µF 1.8V System Controller GND Data Data GND EO VCCBVCCA Data Data GND 3.3V System 0.1µF 3.3V G2129 AQFN1.7X2.0-12 VCCA GND VCCB EO 4 8 AQFN1.5X1.5-8 GND VCCB EO VCCA G2129