MAX6955ATL

更新时间： 2024-09-14 12:59:55

品牌	Logo	应用领域
美信 - MAXIM		显示驱动器
页数	文件大小	规格书
39页	550K
描述
LED Driver, 7-Segment, CMOS, 6 X 6 MM, 0.80 MM HEIGHT, MO-220WJJD-2, TQFN-40

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技术参数
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MAX6955ATL 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Obsolete	零件包装代码：	QFN
包装说明：	6 X 6 MM, 0.80 MM HEIGHT, MO-220WJJD-2, TQFN-40	针数：	40
Reach Compliance Code：	not_compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.11
Is Samacsys：	N	其他特性：	DRIVES UP TO 8 DIG 14-SEG, 8 DIG 16-SEG, 128 DISCRETE LEDS, OR A COMBINATION OF DIGIT TYPES
数据输入模式：	SERIAL	显示模式：	SEGMENT
接口集成电路类型：	LED DISPLAY DRIVER	JESD-30 代码：	S-XQCC-N40
长度：	6 mm	湿度敏感等级：	1
复用显示功能：	YES	位数/字符：	16-DIGIT
功能数量：	1	区段数：	7
端子数量：	40	最高工作温度：	125 °C
最低工作温度：	-40 °C	封装主体材料：	UNSPECIFIED
封装代码：	HVQCCN	封装等效代码：	LCC40,.24SQ,20
封装形状：	SQUARE	封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：	225	电源：	3/5 V
认证状态：	Not Qualified	座面最大高度：	0.8 mm
子类别：	Display Drivers	最大供电电压：	5.5 V
最小供电电压：	2.7 V	标称供电电压：	3.3 V
表面贴装：	YES	技术：	CMOS
温度等级：	AUTOMOTIVE	端子形式：	NO LEAD
端子节距：	0.5 mm	端子位置：	QUAD
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	6 mm
最小 fmax：	8 MHz	Base Number Matches：	1

MAX6955ATL 数据手册

19-2548; Rev 0; 7/02

2-Wire Interfaced, 2.7V to 5.5V LED Display

Driver with I/O Expander and Key Scan

General Description

Features

ꢀ 400kbps 2-Wire Interface Compatible with I²C

The MAX6955 is a compact display driver that interfaces

microprocessors to a mix of 7-segment, 14-segment,

and 16-segment LED displays through an I²C™-compati-

ble 2-wire serial interface. The MAX6955 drives up to 16

digits 7-segment, 8 digits 14-segment, 8 digits 16-seg-

ment, or 128 discrete LEDs, while functioning from a

supply voltage as low as 2.7V. The driver includes five

I/O expander or general-purpose I/O (GPIO) lines, some

or all of which can be configured as a key-switch reader.

The key-switch reader automatically scans and

debounces a matrix of up to 32 switches.

ꢀ 2.7V to 5.5V Operation

ꢀ Drives Up to 16 Digits 7-Segment, 8 Digits

14-Segment, 8 Digits 16-Segment, 128 Discrete

LEDs, or a Combination of Digit Types

ꢀ Drives Common-Cathode Monocolor and Bicolor

LED Displays

ꢀ Built-In ASCII 104-Character Font for 14-Segment

and 16-Segment Digits and Hexadecimal Font for

7-Segment Digits

Included on chip are full 14- and 16-segment ASCII

104-character fonts, a hexadecimal font for 7-segment

displays, multiplex scan circuitry, anode and cathode

drivers, and static RAM that stores each digit. The max-

imum segment current for the display digits is set using

a single external resistor. Digit intensity can be inde-

pendently adjusted using the 16-step internal digital

brightness control. The MAX6955 includes a low-power

shutdown mode, a scan-limit register that allows the

user to display from 1 to 16 digits, segment blinking

(synchronized across multiple drivers, if desired), and a

test mode, which forces all LEDs on. The LED drivers

are slew-rate limited to reduce EMI.

ꢀ Automatic Blinking Control for Each Segment

ꢀ 10µA (typ) Low-Power Shutdown (Data Retained)

ꢀ 16-Step Digit-by-Digit Digital Brightness Control

ꢀ Display Blanked on Power-Up

ꢀ Slew-Rate-Limited Segment Drivers for Lower EMI

ꢀ Five GPIO Port Pins Can Be Configured as Key-

Switch Reader to Scan and Debounce Up to 32

Switches with n-Key Rollover

ꢀ IRQ Output when a Key Input is Debounced

ꢀ 36-Pin SSOP and 40-Pin DIP Packages

ꢀ Automotive Temperature Range Standard

For an SPI™-compatible version, refer to the MAX6954

data sheet. An evaluation kit* (EV kit) for the MAX6955

is available.

*Future product—contact factory for availability.

Functional Diagram

Applications

Automotive

P0 TO P4

GPIO

AND KEY-SCAN

CONTROL

Set-Top Boxes

Panel Meters

White Goods

PWM

BRIGHTNESS

CONTROL

CURRENT

SOURCE

Bar Graph Displays

Audio/Video Equipment

ISET

O0 TO O18

LED

DRIVERS

DIGIT

MULTIPLEXER

OSC

DIVIDER/

COUNTER

NETWORK

Ordering Information

OSC_OUT

CHARACTER

GENERATOR

ROM

PART

TEMP RANGE

-40°C to +125°C

PIN-PACKAGE

36 SSOP

MAX6955

MAX6955AAX

MAX6955APL

BLINK

CONTROL

BLINK

40 PDIP

Pin Configurations and Typical Operating Circuits appear

at end of data sheet.

CONFIGURATION

RAM

SCL

AD0

AD1

SDA

I C is a trademark of Philips Corp.

2-WIRE SERIAL INTERFACE

SPI is a trademark of Motorola, Inc.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...39

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MAX6955ATL 替代型号

型号	品牌	替代类型	描述	数据表
MAX6955ATL+	MAXIM	功能相似	暂无描述
MAX6955ATL+T	MAXIM	功能相似	暂无描述
MAX6955ATL-T	MAXIM	功能相似	LED Driver, 7-Segment, CMOS, 6 X 6 MM, 0.80 MM HEIGHT, MO-220WJJD-2, TQFN-40

与MAX6955ATL相关器件

型号	品牌	获取价格	描述	数据表
MAX6955ATL+	MAXIM	获取价格	暂无描述
MAX6955ATL+T	MAXIM	获取价格	暂无描述
MAX6955ATL-T	MAXIM	获取价格	LED Driver, 7-Segment, CMOS, 6 X 6 MM, 0.80 MM HEIGHT, MO-220WJJD-2, TQFN-40
MAX6955EVKIT	MAXIM	获取价格	Evaluation Kit for the MAX6955
MAX6956	MAXIM	获取价格	2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or 28-Port LED Display Driver and I/O Expander
MAX6956	ADI	获取价格	2线接口、2.5V至5.5V、20端口或28端口LED显示驱动器及输入/输出扩展器
MAX6956_09	MAXIM	获取价格	2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or 28-Port LED Display Driver and I/O Expander
MAX6956AAI	MAXIM	获取价格	2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or 28-Port LED Display Driver and I/O Expander
MAX6956AAI+	MAXIM	获取价格	Interface Circuit, CMOS, PDSO28, ROHS COMPLIANT, SSOP-28
MAX6956AAI-T	MAXIM	获取价格	Interface Circuit, CMOS, PDSO28, SSOP-28

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