LM8335 - 具有 MIPI RFFE 主机接口的 LM8335 通用输出扩展器

LM8335是TI德州仪器公司的一款I2CIO扩展器产品，LM8335是具有 MIPI RFFE 主机接口的 LM8335 通用输出扩展器，本站介绍了LM8335的封装应用图解、特点和优点、功能等，并给出了与LM8335相关的TI元器件型号供参考。

LM8335 - 具有 MIPI RFFE 主机接口的 LM8335 通用输出扩展器 - I2CIO扩展器 - I2C - 德州仪器

产品描述

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 pull-downs (PD) can be enabled.

Upon power-on, the LM8335 default configuration is for all GPO to be set based on the state of the CFG pin.

After startup, any changes to the default configuration must be sent from the host via the MIPI RFFE host interface..

The LM8335 is available in a 16-bump lead-free DSBGA package of size 1.965 mm x 1.965 mm x 0.6 mm (0.5 mm pitch).

产品特性

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

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)

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