LM8335

現行

具 MIPI RFFE 主機介面的通用輸出擴展器

立即訂購

產品規格表

document-pdfAcrobat LM8335 General-Purpose Output Expander with MIPI RFFE Host Interface datasheet (Rev. B) (英文)

LM8335

現行

產品規格表

立即訂購

產品詳細資料

Number of I/Os

Supply voltage (min) (V)

1.65

Supply voltage (max) (V)

3.6

Addresses

Rating

Catalog

Frequency (max) (MHz)

Operating temperature range (°C)

-30 to 85

Number of I/Os

Supply voltage (min) (V)

1.65

Supply voltage (max) (V)

3.6

Addresses

Rating

Catalog

Frequency (max) (MHz)

Operating temperature range (°C)

-30 to 85

DSBGA (YZR)

5.0625 mm² 2.25 x 2.25

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 (V_DD)
1.65 to 3.6V GPO Supply (V_DDIO)
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)

All trademarks are the property of their respective owners.

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 (V_DD)
1.65 to 3.6V GPO Supply (V_DDIO)
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)

All trademarks are the property of their respective owners.

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).

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).

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	類型	標題		日期
*	Data sheet	LM8335 General-Purpose Output Expander with MIPI RFFE Host Interface datasheet (Rev. B)		2013年 5月 2日
	Application note	Choosing the Correct I2C Device for New Designs	PDF \| HTML	2016年 9月 7日
	Application note	Understanding the I2C Bus	PDF \| HTML	2015年 6月 30日
	Application note	Maximum Clock Frequency of I2C Bus Using Repeaters		2015年 5月 15日
	Application note	I2C Bus Pull-Up Resistor Calculation	PDF \| HTML	2015年 2月 13日
	User guide	LM8335 Evaluation Module (Rev. A)		2013年 5月 3日

設計與開發

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開發板

LM8335EVM — 具有 MIPI RFFE 主機介面的 LM8335 通用輸出擴展器評估模組板

General-Purpose Output Expander with MIPI RFFE Host Interface Evaluation Module - I2C IO Expander

The EVM operates from USB supplied power. This board supports USB to MIPI RFFE communication to support evaluation of the LM8335 MIPI RFFE to General Purpose Output (GPO) expansion.

使用指南: PDF

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