LM8335

LM8335 www.ti.com SNVS840B – JUNE 2012 – REVISED MAY 2013 LM8335 General Purpose Output Expander with MIPI® RFFE Host Interface Check for Samples: LM8335 FEATURES 1 2 MIPI RFFE Interface Version 1.10 Compliant Supports Output Expansion Host Interface Address Select Pin: – ADR=GND, USID[3:0]=0001 – ADR=VDD, USID[3:0]=1001 Pin-Configurable Initial State: VIO – CFG=GND, GPO High-z, with Weak Internal Pull-Down Resistor Enabled; GPO_OUT_DATA is Unmasked – CFG=VDD, GPO High-z, with Weak Internal Pull-Down Resistor Enabled; GPO_OUT_DATA is Masked Three Sources for Chip Reset: – VIO Input Pin – POR – Software-Commanded Reset APPLICATIONS: Smart Handheld Devices RF Transceiver Applications KEY SPECIFICATIONS 1.8 ± 0.15V MIPI RFFE Operation (VIO) 1.8 ± 0.15V Core Supply (VDD) 1.65 to 3.6V GPO Supply (VDDIO) Low Standby and Active Current On-Chip Power-On Reset (POR) −30 to +85°C Ambient Temperature Range 16-Bump DSBGA Package – 1.965 mm x 1.965 mm x 0.6 mm, 0.5 mm Pitch (Nominal) DESCRIPTION The LM8335 General Purpose Output Expander is a dedicated device to provide flexible and general purpose, host programmable output expansion functions. This device communicates with a host processor through a MIPI® RFFE Interface (Mobile Industry Processor Interface RF Front-End). Eight general purpose outputs (GPO) can be configured by the host controller as drive high/low/high-z. Weak pull-ups (PU) or weak pulldowns (PD) can be enabled. Upon power-on, the LM8335 d...