參數(shù)資料
型號： MAX7312AUG+
廠商： Maxim Integrated Products
文件頁數(shù)： 1/16頁
文件大?。?/td> 0K
描述： IC I/O EXPANDER I2C 16B 24TSSOP
產(chǎn)品培訓模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 62
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-TSSOP（0.173"，4.40mm 寬）
供應商設備封裝： 24-TSSOP
包裝： 管件
包括： POR
General Description
The MAX7312 2-wire-interfaced expander provides 16-bit
parallel input/output (I/O) port expansion in SMBus and
I2C applications. The MAX7312 consists of input port
registers, output port registers, polarity inversion regis-
ters, configuration registers, a bus timeout register, and
an I2C-compatible serial interface logic, compatible with
SMBus. The system master can invert the MAX7312 input
data by writing to the active-high polarity inversion regis-
ter. The system master can enable or disable bus timeout
by writing to the bus timeout register.
Any of the 16 I/O ports can be configured as an input or
an output. A power-on reset (POR) initializes the 16 I/Os
as inputs. Three address select pins configure the part
to one of 64 slave ID addresses.
The MAX7312 supports hot insertion. All port pins, the
INT output, SDA, SCL, and the slave address inputs
AD0-2 remain high impedance in power-down (Vt = 0V)
up to 6V.
The MAX7312 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 I/Os with integrated 100k
Ω
pullup resistors, refer to the MAX7311 data sheet.
Applications
Servers/Blades
RAID Systems
Medical Equipment
Instrumentation and Test Measurement
Networking
Features
400kbps I2C-Compatible Serial Interface
2V to 5.5V Operation
5V Overvoltage Tolerant I/Os
Supports Hot Insertion
16 I/O Pins that Default to Inputs on Power-Up
Open-Drain Interrupt Output (INT)
Bus Timeout for Lock-Up-Free Operation
Noise Filter on SCL/SDA Inputs
64 User-Selectable Slave ID Addresses
Low Standby Current (2.9A typ)
Polarity Inversion
4mm 4mm, 0.8mm Thin QFN Package
-40°C to +125°C Operation
MAX7312
2-Wire-Interfaced 16-Bit I/O Port Expander
with Interrupt and Hot-Insertion Protection
________________________________________________________________ Maxim Integrated Products
1
Ordering Information
19-3057; Rev 3; 4/05
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.
SMBus is a trademark of Intel Corp.
EVALUATION
KIT
AVAILABLE
PART
TEMP RANGE
PIN-PACKAGE
PKG
CODE
MAX7312AWG
-40°C to +125°C 24 Wide SO
—
MAX7312AAG
-40°C to +125°C 24 SSOP
—
MAX7312ATG
-40°C to +125°C
24 Thin QFN
(4mm x 4mm)
T2444-4
MAX7312AUG
-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
MAX7312
INT
THIN QFN
MAX7312ATG
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
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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相關代理商/技術參數(shù)
參數(shù)描述
MAX7312AUG+ 功能描述:接口-I/O擴展器 16-Bit I/O Port Expander 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
MAX7312AUG+T 功能描述:接口-I/O擴展器 16-Bit I/O Port Expander 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
MAX7312AUG-T 功能描述:接口-I/O擴展器 16-Bit I/O Port Expander 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
MAX7312AWG 功能描述:接口-I/O擴展器 16-Bit I/O Port Expander 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
MAX7312AWG+ 功能描述:接口-I/O擴展器 16-Bit I/O Port Expander 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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