參數(shù)資料
型號： MAX7318AWG+T
廠商： Maxim Integrated Products
文件頁數(shù)： 1/19頁
文件大?。?/td> 0K
描述： IC PORT EXPANDER 16BIT 24SOIC
產(chǎn)品培訓模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 1,000
接口： I²C，SM 總線
輸入/輸出數(shù)： 16
中斷輸出： 是
頻率 - 時鐘： 400kHz
電源電壓： 2 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-SOIC（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 24-SOIC W
包裝： 帶卷 (TR)
包括： POR
General Description
The MAX7318 2-wire-interfaced expander provides 16-
bit parallel input/output (I/O) port expansion for SMBus
and I2C applications. The MAX7318 consists of input
port registers, output port registers, polarity inversion
registers, configuration registers, and an I2C-compatible
serial interface logic compatible with SMBus. The sys-
tem master can invert the MAX7318 input data by writing
to the active-high polarity inversion register.
Any of the 16 I/O ports can be configured as an input or
output. A power-on reset (POR) initializes the 16 I/Os
as inputs. Three address select pins configure one of
64 slave ID addresses.
The MAX7318 supports hot insertion. All port pins, the
INT output, SDA, SCL, and the slave address inputs
AD0–2 remain high impedance in power-down (V+ =
0V) with up to 6V asserted upon them.
The MAX7318 is available in 24-pin SO, SSOP, TSSOP,
and thin QFN packages and is specified over the -40°C
to +125°C automotive temperature range.
For applications requiring an SMBus timeout function,
refer to the MAX7311 data sheet.
Applications
Servers
RAID Systems
Industrial Control
Medical Equipment
PLCs
Instrumentation and Test Measurement
Features
400kbps I2C-Compatible Serial Interface
2V to 5.5V Operation
5.5V Overvoltage-Tolerant I/Os
Supports Hot Insertion
16 I/O Pins that Default to Inputs on Power-Up
100kΩ Pullup on Each I/O
Open-Drain Interrupt Output (INT)
Noise Filter on SCL/SDA Inputs
64 Slave ID Addresses Available
Low Standby Current (5.4A typ)
Polarity Inversion
4mm 4mm, 0.8mm Thin QFN Package
-40°C to +125°C Operation
MAX7318
2-Wire-Interfaced, 16-Bit, I/O Port Expander
with Interrupt and Hot-Insertion Protection
________________________________________________________________
Maxim Integrated Products
1
Ordering Information
19-3381; Rev 3; 12/07
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
SMBus is a trademark of Intel Corp.
EVALUATION
KIT
AVAILABLE
PART
TEMP RANGE
PIN-PACKAGE
PKG
CODE
MAX7318AWG
-40°C to +125°C 24 Wide SO
—
MAX7318AAG
-40°C to +125°C 24 SSOP
—
MAX7318ATG
-40°C to +125°C
24 Thin QFN
(4mm 4mm)
T2444-4
MAX7318AUG
-40°C to +125°C 24 TSSOP
—
TOP VIEW
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
V+
SDA
SCL
AD0
I/O0
AD2
AD1
I/O15
I/O14
I/O13
I/O12
I/O4
I/O3
I/O2
I/O1
16
15
14
13
9
10
11
12
I/O11
I/O10
I/O9
I/O8
GND
I/O7
I/O6
I/O5
TSSOP/SSOP/SO
MAX7318
INT
THIN QFN
MAX7318ATG
19
20
21
22
12
3
4
5
6
18
17
16
15
14
13
23
24
12
11
10
9
8
7
SCL
V+
SDA
INT
AD2
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
AD0
I/O15
I/O13
I/O12
I/O11
AD1
I/O10
I/O8
I/O9
GND
I/O6
I/O7
I/O14
Pin Configurations
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