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MAX7327AATG+ PDF预览

MAX7327AATG+

更新时间: 2024-02-11 18:22:06
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
21页 1109K
描述
I2C Port Expander with 12 Push-Pull Outputs and 4 Open-Drain I/Os

MAX7327AATG+ 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:QFN包装说明:HVQCCN, LCC24,.16SQ,20
针数:24Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.9JESD-30 代码:S-XQCC-N24
JESD-609代码:e0长度:4 mm
位数:16I/O 线路数量:4
端口数量:1端子数量:24
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:LCC24,.16SQ,20封装形状:SQUARE
封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE电源:1.8/5 V
认证状态:Not Qualified座面最大高度:0.8 mm
子类别:Parallel IO Port最大供电电压:5.5 V
最小供电电压:1.71 V标称供电电压:3.3 V
表面贴装:YES技术:BICMOS
温度等级:AUTOMOTIVE端子面层:Tin/Lead (Sn/Pb)
端子形式:NO LEAD端子节距:0.5 mm
端子位置:QUAD宽度:4 mm
uPs/uCs/外围集成电路类型:PARALLEL IO PORT, GENERAL PURPOSE

MAX7327AATG+ 数据手册

 浏览型号MAX7327AATG+的Datasheet PDF文件第2页浏览型号MAX7327AATG+的Datasheet PDF文件第3页浏览型号MAX7327AATG+的Datasheet PDF文件第4页浏览型号MAX7327AATG+的Datasheet PDF文件第5页浏览型号MAX7327AATG+的Datasheet PDF文件第6页浏览型号MAX7327AATG+的Datasheet PDF文件第7页 
19-3805; Rev 0; 8/06  
2
I C Port Expander with 12 Push-Pull Outputs  
and 4 Open-Drain I/Os  
General Description  
Features  
2
400kHz I C Serial Interface  
The MAX7327, a 2-wire serial-interfaced peripheral,  
features 12 push-pull outputs and four configurable  
open-drain I/O ports with selectable internal pullups  
and transition detection. Ports are overvoltage protect-  
ed to +6V, independent of supply voltage.  
+1.71V to +5.5V Operating Voltage  
12 Push-Pull Output Ports, Rated at 20mA Sink  
Current  
4 Open-Drain I/O Ports, Rated at 20mA Sink Current  
I/O Ports are Overvoltage Protected to +6V  
Selectable I/O Port Power-Up Default Logic States  
The four I/O ports configured as inputs are continuously  
monitored for state changes (transition detection). State  
changes are indicated by the open-drain, +6V-tolerant  
INT output. The interrupt is latched, detecting transient  
changes. When the MAX7327 is subsequently accessed  
through the serial interface, any pending interrupt is  
cleared. The 12 push-pull and the four open-drain out-  
puts are rated to sink 20mA, and are capable of driving  
LEDs. The RST input clears the serial interface, terminat-  
Transient Changes are Latched, Allowing Detection  
Between Read Operations  
INT Output Alerts Changes on Inputs  
AD0 and AD2 Inputs Select from 16 Slave  
Addresses  
Low 0.6µA (typ) Standby Current  
-40°C to +125°C Temperature Range  
2
ing any I C* communication to or from the MAX7327.  
The MAX7327 uses two address inputs with four-level  
logic to allow 16 I C slave addresses. The slave  
2
address also determines the power-up logic state for  
the I/O ports, and enables or disables internal 40k  
pullups in groups of two ports.  
Ordering Information  
PKG  
CODE  
The MAX7327 is one device in a family of pin-compatible  
port expanders with a choice of input ports, open-drain  
I/O ports, and push-pull output ports (see Table 1).  
PART  
TEMP RANGE PIN-PACKAGE  
MAX7327AEG+ -40°C to +125°C 24 QSOP  
E24-1  
24 TQFN-EP**  
(4mm x 4mm)  
The MAX7327 is available in the 24-pin QSOP and  
TQFN packages, and is specified over the -40°C to  
+125°C automotive temperature range.  
MAX7327ATG+ -40°C to +125°C  
MAX7327AATG+ -40°C to +125°C  
T2444-3  
24 TQFN-EP**  
(3.5mm x 3.5mm)  
T243A3-1  
Applications  
+Denotes lead-free package.  
**EP = Exposed pad.  
Cell Phones  
SAN/NAS  
Servers  
Notebooks  
Satellite Radio  
Automotive  
Selector Guide  
Pin Configurations  
OPEN-  
INTERRUPT  
PUSH-PULL  
DRAIN  
PART  
INPUTS  
MASK  
OUTPUTS  
OUTPUTS  
TOP VIEW  
SCL  
18 17 16 15 14 13  
MAX7324  
8
Yes  
8
8
19  
12  
O10  
MAX7325 Up to 8  
MAX7326  
MAX7327 Up to 4  
Up to 8  
SDA 20  
11 O9  
4
Yes  
12  
12  
21  
22  
23  
24  
10  
9
V+  
O8  
Up to 4  
MAX7327  
INT  
GND  
Typical Application Circuit and Functional Diagram appear  
at end of data sheet.  
RST  
AD2  
O7  
O6  
8
EXPOSED PADDLE  
7
*Purchase of I2C components from Maxim Integrated Products,  
Inc., or one of its sublicensed Associated Companies, conveys  
a license under the Philips I2C Patent Rights to use these com-  
ponents in an I2C system, provided that the system conforms  
to the I2C Standard Specification as defined by Philips.  
1
2
3
4
5
6
TQFN (4mm x 4mm)  
Pin Configurations continued at end of data sheet.  
________________________________________________________________ Maxim Integrated Products  
1
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.  

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