參數(shù)資料
型號： MAX7324AEG+
廠商： Maxim Integrated Products
文件頁數(shù)： 1/20頁
文件大?。?/td> 0K
描述： IC I/O EXPANDER I2C 8B 24QSOP
產(chǎn)品培訓模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 50
接口： I²C
輸入/輸出數(shù)： 8
中斷輸出： 是
頻率 - 時鐘： 400kHz
電源電壓： 1.71 V ~ 5.5 V
工作溫度： -40°C ~ 125°C
安裝類型： 表面貼裝
封裝/外殼： 24-SSOP（0.154"，3.90mm 寬）
供應商設備封裝： 24-QSOP
包裝： 管件
包括： POR
General Description
The MAX7324 2-wire serial-interfaced peripheral fea-
tures 16 I/O ports that are divided into eight push-pull
outputs and eight inputs. Each input features selectable
internal pullups, overvoltage protection to +6V, and
transition detection with an interrupt output.
All input ports are continuously monitored for state
changes (transition detection). The interrupt is latched,
allowing detection of transient changes. Any combina-
tion of inputs can be selected using the interrupt mask
to assert the INT output. When the MAX7324 is subse-
quently accessed through the serial interface, any
pending interrupt is cleared.
The push-pull outputs are rated to sink 20mA and are
capable of driving LEDs. The RST input clears the serial
interface, terminating any I2C communication to or from
the MAX7324.
The MAX7324 uses two address inputs with four-level
logic to allow 16 I2C slave addresses. The slave
address also enables or disables internal 40kΩ pullups
in groups of four ports.
The MAX7324 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).
The MAX7324 is available in 24-pin QSOP and TQFN
packages, and is specified over the -40°C to +125°C
automotive temperature range.
Applications
Cell Phones
Notebooks
SAN/NAS
Automotive
Servers
Satellite Radio
Features
400kHz, +6V-Tolerant I2C Serial Interface
+1.71V to +5.5V Operating Voltage
Eight Push-Pull Outputs
Eight Input Ports with Maskable, Latching
Transition Detection
Input Ports are Overvoltage Protected to +6V
Transient Changes are Latched, Allowing
Detection Between Read Operations
INT Output Alerts Change on Any Selection of
Inputs
AD0 and AD2 Inputs Select from 16 Slave
Addresses
Low 0.6A Standby Current
-40°C to +125°C Temperature Range
MAX7324
I2C Port Expander with Eight Push-Pull Outputs
and Eight Inputs
________________________________________________________________ Maxim Integrated Products
1
19-3785; Rev 0; 10/06
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.
EVALUATION
KIT
AVAILABLE
Ordering Information
PART
TEMP RANGE
PIN-
PACKAGE
PKG
CODE
MAX7324AEG+
-40°C to +125°C
24 QSOP
E24-1
MAX7324ATG+
-40°C to +125°C
24 TQFN-EP*
(4mm x 4mm)
T2444-3
Typical Application Circuit and Functional Diagram appear
at end of data sheet.
Selector Guide
PART
INPUTS
INTERRUPT
MASK
OPEN-
DRAIN
OUTPUTS
PUSH-PULL
OUTPUTS
MAX7324
8
Yes
—
8
MAX7325
Up to 8
—
Up to 8
8
MAX7326
4
Yes
—
12
MAX7327
Up to 4
—
Up to 4
12
Pin Configurations
TQFN (4mm x 4mm)
+
TOP VIEW
MAX7324
19
20
21
22
12
3
45
6
18
17
16
15
14
13
23
24
12
11
10
9
8
7
SCL
V+
SDA
INT
AD2
I0
I1
I2
I3
I4
I5
AD0
O15
O13
O12
O11
RST
O10
O8
O9
GND
I6
I7
O14
EXPOSED PADDLE
+Denotes lead-free package.
*EP = Exposed paddle.
Pin Configurations continued at end of data sheet.
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相關代理商/技術參數(shù)
參數(shù)描述
MAX7324AEG+ 功能描述:接口-I/O擴展器 I2C Port Expander w/8 P-P Out & 8 In RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
MAX7324AEG+T 功能描述:接口-I/O擴展器 I2C Port Expander w/8 P-P Out & 8 In RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
MAX7324AEG-T 功能描述:接口-I/O擴展器 I2C Port Expander w/8 P-P Out & 8 In RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
MAX7324ATG 功能描述:接口-I/O擴展器 RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
MAX7324ATG+ 功能描述:接口-I/O擴展器 I2C Port Expander w/8 P-P Out & 8 In RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
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