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MAX7323AEE+

更新时间： 2024-01-12 21:13:50

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
17页	213K
描述
Parallel I/O Port, 8-Bit, 4 I/O, CMOS, PDSO16, 0.150 INCH, 0.025 INCH PITCH, ROHS COMPLIANT, MO-137, QSOP-16

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MAX7323AEE+ 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	QFN
包装说明：	HVQCCN,	针数：	16
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	Factory Lead Time：	6 weeks
风险等级：	5.49	JESD-30 代码：	S-XQCC-N16
JESD-609代码：	e3	长度：	3 mm
湿度敏感等级：	1	I/O 线路数量：	4
端口数量：	1	端子数量：	16
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
封装形状：	SQUARE	封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：	260	认证状态：	Not Qualified
座面最大高度：	0.8 mm	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：	CMOS
温度等级：	AUTOMOTIVE	端子面层：	MATTE TIN
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：	3 mm	uPs/uCs/外围集成电路类型：	PARALLEL IO PORT, GENERAL PURPOSE

MAX7323AEE+ 数据手册

I C Port Expander with 4 Push-Pull Outputs

and 4 Open-Drain I/Os

Table 1. MAX7319–MAX7329 Family Comparison (continued)

I C

INPUT

INPUTS INTERRUPT

MASK

OPEN-

DRAIN

OUTPUTS OUTPUTS

PUSH-

PULL

PART

SLAVE

ADDRESS

APPLICATION

4 I/O, 4 output-only versions:

4 open-drain I/O ports with latching transition

detection interrupt and selectable pullups.

4 push-pull outputs with selectable power-up default

levels.

8 open-drain I/O ports with nonlatching transition

detection interrupt and pullups on all ports.

MAX7323

110xxxx

Up to 4

Up to 8

—

Up to 4

Up to 8

MAX7328

MAX7329

0100xxx

0111xxx

—

All ports power up as inputs (or logic-high outputs).

Any port can be used as an input by setting the

open-drain output to logic-high.

16-PORT EXPANDERS

MAX7324

Yes

—

Software equivalent to a MAX7320 plus a MAX7319.

Software equivalent to a MAX7320 plus a MAX7321.

Software equivalent to a MAX7320 plus a MAX7322.

Software equivalent to a MAX7320 plus a MAX7323.

101xxxx

and

110xxxx

MAX7325

Up to 8

—

MAX7326

Yes

—

MAX7327

Up to 4

Any of the four open-drain ports can be configured as a

logic input by setting the port output logic-high (logic-

high for an open-drain output is high impedance).

When the MAX7323 is read through the serial interface,

the actual logic levels at the ports are read back.

Initial Power-Up

On power-up, the transition detection logic is reset, and

INT is deasserted. The interrupt mask register is set to

0x3C, enabling the interrupt output for transitions on all

four input ports. The transition flags are cleared to indi-

cate no data changes. The power-up default state of the

four push-pull outputs is set according to the I²C slave

address selection inputs, AD0 and AD2 (see Table 3).

The four ports offer latching transition detection func-

tionality. All input ports are continuously monitored for

changes. An input change sets 1 of 4 flag bits that

identify changed input(s). All flags are cleared upon a

subsequent read or write transaction to the MAX7323.

Power-On Reset

The MAX7323 contains an integral power-on-reset

(POR) circuit that ensures all registers are reset to a

A latching interrupt output, INT, automatically flags data

changes on any of the I/O ports used as inputs. The

interrupt output INT, and all transition flags are

deasserted when the MAX7323 is next accessed

through the serial interface.

known state on power-up. When V+ rises above V

POR

(1.6V max), the POR circuit releases the registers and

2-wire interface for normal operation. When V+ drops to

less than V

, the MAX7323 resets all ports to the

POR

POR defaults (see Table 3).

Internal pullup resistors to V+ are selected by the

address select inputs, AD0 and AD2. Pullups are

enabled on the input ports in groups of two (see Table 3).

RST Input

The active-low RST input operates as a reset that voids

any current I²C transaction involving the MAX7323,

forcing the MAX7323 into the I²C STOP condition. The

reset action does not clear the interrupt output (INT).

Use the slave address selection to ensure that I/O ports

used as inputs are logic-high on power-up. I/O ports with

internal pullups enabled default to a logic-high output

state. I/O ports with internal pullups disabled default to

a logic-low output state. Output port power-up logic

states are selected by the address select inputs AD0

and AD2. Ports default to logic-high or logic-low on

power-up in groups of two (see Table 3).

Standby Mode

When the serial interface is idle, the MAX7323 automat-

ically enters standby mode, drawing minimal supply

current.

_______________________________________________________________________________________

1...3 4 567 8 9...17

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与MAX7323AEE+相关器件

型号	品牌	描述	获取价格	数据表
MAX7323AEE+T	MAXIM	Parallel I/O Port, 8-Bit, 4 I/O, CMOS, PDSO16, 0.150 INCH, 0.025 INCH PITCH, ROHS COMPLIAN	获取价格
MAX7323AEE-T	MAXIM	Parallel I/O Port, 8-Bit, 4 I/O, CMOS, PDSO16, 0.150 INCH, 0.025 INCH PITCH, MO-137, QSOP-	获取价格
MAX7323ATE	MAXIM	I2C Port Expander with 4 Push-Pull Outputs	获取价格
MAX7323ATE+	ROCHESTER	4 I/O, PIA-GENERAL PURPOSE, QCC16, 3 X 3 MM, 0.80 MM HEIGHT, ROHS COMPLIANT, MO-220WEED-2,	获取价格
MAX7323ATE+	MAXIM	Parallel I/O Port, 8-Bit, 4 I/O, CMOS, 3 X 3 MM, 0.80 MM HEIGHT, ROHS COMPLIANT, MO-220WEE	获取价格
MAX7324	MAXIM	I2C Port Expander with Eight Push-Pull Outputs and Eight Inputs	获取价格

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