RS0102YH8

RS0102 2-Bit Bidirectional Voltage-Level Translator for Open-Drain and Push-Pull Application Features • • • • • • • Description This two-bit non-inverting translator is a bidirectional voltage-level translator and can be used to establish digital switching compatibility between mixed-voltage systems. It uses two separate configurable power-supply rails, with the A ports supporting operating voltages from 1.65V to 5.5V while it tracks the VCCA supply, and the B ports supporting operating voltages from 2.3V to 5.5V while it tracks the VCCB supply. This allows the support of both lower and higher logic signal levels while providing bidirectional translation capabilities between any of the 1.8V, 2.5V, 3.3V and 5V voltage nodes. No Direction-Control Data Rates 24Mbps (Push-Pull) 2Mbps (Open-Drain) 1.65V to 5.5V on A ports and 2.3V to 5.5V on B Ports (VCCA≤VCCB) VCC Isolation: If Either VCC is at GND, Both Ports are in the High-Impedance State No Power-Supply Sequencing Required: Either VCCA or VCCB can be Ramped First IOFF: Supports Partial-Power-Down Mode Operation Extended Temperature: -40°C to +85°C When the output-enable (OE) input is low, all I/Os are placed in the high-impedance state, which significantly reduces the power-supply quiescent current consumption. OE has an internal pull-down current source, as long as VCCA is powered. Applications • • • I2C/ SMBus UART GPIO 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. The RS0102 is available in Green SOT-23-8 packages. It operates over an ambient temperature range of -40°C to +85°C. Functional Block Diagram VCCB VCCA OE One Shot Accelerator One Shot Accelerator Gate Bias 10KΩ 10KΩ A1 B1 One Shot Accelerator One Shot Accelerator Gate Bias 10KΩ 10KΩ A2 REV A.1 B2 1 www.run-ic.com 010-67713792 sale@starttodo.com.cn RS0102 PIN CONFIGURATIONS VCCB 1 8 VCCA B1 2 7 A1 B2 3 6 A2 OE 4 5 GND VCCA 1 8 VCCB A1 2 7 B1 A2 3 6 B2 GND 4 5 OE DFN-1.4X1-8L SOT-23-8 PIN DESCRIPTION PIN NAME TYPE (1) 8 VCCB P 2 7 B1 I/O Input/output B1. Reference to VCCB. 3 6 B2 I/O Input/output B2. Reference to VCCB. 4 5 OE I Output Enable (Active High). Pull OE low to place all outputs in 3-state mode. Referenced to VCCA. 5 4 GND ‒ Ground. 6 3 A2 I/O Input/output A2. Reference to VCCA. 7 2 A1 I/O Input/output A1. Reference to VCCA. 8 1 VCCA P SOT-23-8 DFN-1.4X1-8L 1 FUNCTION B Ports Supply Voltage.2.3V ≤ VCCB ≤ 5.5V. A Port Supply Voltage.1.65V ≤ VCCA ≤ 5.5V and VCCA ≤ VCCB. (1) I=input, O=output, I/O=input and output, P=power 2 www.run-ic.com 010-67713792 sale@starttodo.com.cn RS0102 PIN CONFIGURATIONS B2 1 8 B1 GND 2 7 VCCB VCCA 3 6 OE A2 4 5 A1 VSSOP-8 PIN DESCRIPTION PIN NAME TYPE (1) 1 B2 I/O 2 GND ‒ Ground. 3 VCCA P A Port Supply Voltage.1.65V ≤ VCCA ≤ 5.5V and VCCA ≤ VCCB 4 A2 I/O Input/output A2. Reference to VCCA. 5 A1 I/O Input/output A1. Reference to VCCA. 6 OE I Output Enable (Active High). Pull OE low to place all outputs in 3-state mode. Referenced to VCCA. 7 VCCB P B Ports Supply Voltage.2.3V ≤ VCCB ≤ 5.5V. 8 B1 I/O VSSOP-8 FUNCTION Input/output B2. Reference to VCCB. Input/output B1. Reference to VCCB. 3 www.run-ic.com 010-67713792 sale@starttodo.com.cn RS0102 ABSOLUTE MAXIMUM RATINGS (1) VCCA, Supply Voltage Range................................−0.3V to 6V VCCB, Supply Voltage Range................................−0.3V to 6V VI, A Ports, B Ports, OE Input Voltage Range (2)…−0.3V to 6V VO, Voltage Range Applied to Any Output in the HighImpedance or Power-Off State (2) A Ports ……………………………………..........−0.3V to 0.6V B Ports ………………………………………......−0.3V to 0.6V VO, Voltage Range Applied to Any Output in the High or Low Impedance or Power-Off State (2)(3) A Ports ……………………………..…...−0.3V to VCCA + 0.3V B Ports …………………………………..−0.3V to VCCB +0.3V IIK, Input Clamp Current (VI