Datasheet > LM8333GGR8AXS/NOPB

LM8333GGR8AXS/NOPB

更新时间： 2024-01-25 21:10:23

品牌	Logo	应用领域
德州仪器 - TI		外围集成电路
页数	文件大小	规格书
26页	863K
描述
移动 I/O 配套支持 Key-Scan、I/O 扩展、PWM 和 ACCESS.bus 主机接口 \| NYC \| 49 \| -40 to 85

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LM8333GGR8AXS/NOPB 技术参数

是否Rohs认证：	符合	生命周期：	Transferred
包装说明：	TFBGA, BGA49,7X7,20	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.31.00.01
风险等级：	7.56	JESD-30 代码：	S-PBGA-B49
JESD-609代码：	e1	长度：	4 mm
湿度敏感等级：	1	端子数量：	49
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	TFBGA
封装等效代码：	BGA49,7X7,20	封装形状：	SQUARE
封装形式：	GRID ARRAY, THIN PROFILE, FINE PITCH	峰值回流温度（摄氏度）：	260
电源：	2.5 V	认证状态：	Not Qualified
座面最大高度：	1.1 mm	子类别：	Other Microprocessor ICs
最大压摆率：	6 mA	最大供电电压：	2.9 V
最小供电电压：	2.25 V	标称供电电压：	2.75 V
表面贴装：	YES	技术：	CMOS
温度等级：	INDUSTRIAL	端子面层：	Tin/Silver/Copper (Sn/Ag/Cu)
端子形式：	BALL	端子节距：	0.5 mm
端子位置：	BOTTOM	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	4 mm	uPs/uCs/外围集成电路类型：	MICROPROCESSOR CIRCUIT
Base Number Matches：	1

LM8333GGR8AXS/NOPB 数据手册

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LM8333

www.ti.com

SNLS246K –SEPTEMBER 2006–REVISED MAY 2013

LM8333 Mobile I/O Companion Supporting Key-Scan, I/O Expansion, PWM, and

ACCESS.bus Host Interface

Check for Samples: LM8333

FEATURES

DESCRIPTION

The LM8333 Mobile I/O Companion offloads the

burden of keyboard scanning from the host, while

providing extremely low power consumption in both

operational and standby modes. It supports keypad

matrices up to 8 × 8 in size (plus another 8 special-

function keys), for portable applications such as

cellphones, PDAs, games, and other handheld

applications.

•

8 × 8 Standard Keys

•

8 Special Function Keys (SF Keys) Providing a

Total of 72 Keys for the Maximum Keyboard

Matrix

ACCESS.Bus (I²C-compatible) Communication

Interface to the Host

•

Four General Purpose Host Programmable I/O

Pins with Two Optional (Slow) External

Interrupts

Key press and release events are encoded into a

byte format and loaded into a FIFO buffer for retrieval

by the host processor. An interrupt output (IRQ) is

used to signal events such as keypad activity, a state

change on either of two interrupt-capable general-

purpose I/O pins, or an error condition. Interrupt and

error codes are available to the host by reading

dedicated registers.

•

15-byte FIFO Buffer to Store Key Pressed and

Key Released Events

Error Control with Error Reports on (FIFO

Overrun, Keypad Overrun, Invalid Command)

•

Host Programmable PWM

Host Programmable Active Time and

Debounce Time

Four general-purpose I/O pins are available, two of

which have interrupt capability.

pulse-width

modulated output based on a host-programmable

internal timer is also available, which can be used as

a general-purpose output if the PWM function is not

required.

APPLICATIONS

•

Mobile Phones

Personal Digital Assistants (PDAs)

Smart Handheld Devices

Personal Media Players

To minimize power, the LM8333 automatically enters

a low-power standby mode when there is no keypad,

I/O, or host activity.

The device is packaged in a 32–pin WQFN and a

49-pin csBGA. Both are chip-scale packages.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...26

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与LM8333GGR8AXS/NOPB相关器件

型号	品牌	描述	获取价格	数据表
LM8333GGR8AXSX/NOPB	TI	移动 I/O 配套支持 Key-Scan、I/O 扩展、PWM 和 ACCESS.bus	获取价格
LM8333GGR8X	NSC	IC SPECIALTY MICROPROCESSOR CIRCUIT, PBGA49, MICRO ARRAY-49, Microprocessor IC:Other	获取价格
LM8333GGR8X/NOPB	TI	Mobile I/O Companion Supporting Key-Scan, I/O Expansion, PWM, and ACCESS.bus Host Interfac	获取价格
LM8335	TI	LM8335 General Purpose Output Expander with M	获取价格
LM8335TLE	TI	LM8335 General Purpose Output Expander with M	获取价格
LM8335TLE/NOPB	TI	LM8335 General Purpose Output Expander with M	获取价格

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