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參數資料
| 型號： | MAX7319ATE+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/16頁 |
| 文件大小： | 0K |
| 描述： | IC I/O EXPANDER I2C 8B 16TQFN-EP |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 100 |
| 接口： | I²C |
| 輸入/輸出數： | 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： | 16-WFQFN 裸露焊盤 |
| 供應商設備封裝： | 16-TQFN-EP（3x3） |
| 包裝： | 管件 |
General Description
The MAX7319 2-wire serial-interfaced peripheral fea-
tures eight input ports with selectable internal pullups,
overvoltage protection to +6V, and transition detection
with interrupt output.
All input ports are continuously monitored for state
changes (transition detection). Transitions are latched,
allowing detection of transient changes. Any combination
of inputs can be selected using the interrupt mask to
assert the INT output. When the MAX7319 is subsequently
accessed through the serial interface, any pending inter-
rupt is cleared.
The +5.5V tolerant RST input clears the serial interface,
terminating any I2C communication to or from the
MAX7319.
The MAX7319 uses two address inputs with four-level
logic to allow 16 I2C slave addresses. The slave
address also enables or disables internal 40k
Ω pullups
in groups of four ports.
The MAX7319 supports hot insertion. All eight input
ports, the serial interface SDA, SCL, AD0, AD2, INT,
and RST remain high impedance in power-down (V+ =
0) with up to +6V asserted on them.
The MAX7319 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 MAX7319 is available in 16-pin QSOP and 16-pin
TQFN packages, and is specified over the automotive
temperature range (-40°C to +125°C).
Applications
Features
400kHz, +5.5V-Tolerant I2C Serial Interface
+1.71V to +5.5V Operating Voltage
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 (typ) Standby Current
-40°C to +125°C Operating Temperature Range
MAX7319
I2C Port Expander with Eight Inputs and
Maskable Transition Detection
________________________________________________________________ Maxim Integrated Products
1
19-3809; Rev 1; 10/05
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.
EVALUATION
KIT
AVAILABLE
Ordering Information
PART
PIN-PACKAGE
TOP MARK
PKG CODE
MAX7319AEE+
16 QSOP
—
E16-4
MAX7319ATE+
16 TQFN-EP*
ADA
T1633-4
Selector Guide
PART
INPUTS
INTERRUPT MASK
OPEN-DRAIN OUTPUTS
PUSH-PULL OUTPUTS
MAX7319
8
Yes
—
MAX7320
—
8
MAX7321
Up to 8
—
Up to 8
—
MAX7322
4
Yes
—
4
MAX7323
Up to 4
—
Up to 4
4
MAX7328*
—
MAX7329**
Up to 8
—
Up to 8
—
*Second source to PCF8574.
**Second source to PCF8574A.
Cell Phones
SAN/NAS
Servers
Notebooks
Satellite Radio
Automotive
Note: All devices specified over -40°C to +125°C operating range.
+Denotes lead-free package.
*EP = Exposed pad.
Pin Configurations, Typical Application Circuit, and
Functional Diagram appear at end of data sheet.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX7319ATE+ | 功能描述:接口-I/O擴展器 I2C Port Expander 8 Input RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數量: 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 |
| MAX7319ATE+T | 功能描述:接口-I/O擴展器 I2C Port Expander 8 Input RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數量: 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 |
| MAX7319ATE-T | 功能描述:接口-I/O擴展器 I2C Port Expander 8 Input RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數量: 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 |
| MAX7319EVKIT+ | 制造商:Maxim Integrated Products 功能描述:MAX7319 EVAL KIT - Boxed Product (Development Kits) |
| MAX731C/D | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:+5V/Adjustable Step-Up Current-Mode DC-DC Converters |
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