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參數(shù)資料
| 型號(hào)： | MAX7356 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 1至8路I²C總線開關(guān)/復(fù)用器，帶有總線閉鎖檢測(cè)、隔離和報(bào)警指示 |
| 中文描述： | 1至8路I²C總線開關(guān)/復(fù)用器，帶有總線閉鎖檢測(cè)、隔離和報(bào)警指示 |
| 文件頁(yè)數(shù)： | 1/22頁(yè) |
| 文件大小： | 202K |
| 代理商： | MAX7356 |
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General Description
The MAX7356/MAX7357/MAX7358 8-channel I2C
switches/multiplexers expand the main I2C bus to any
combination of 8 extended I2C buses. They enable a
master on the main bus to isolate and communicate
with devices or groups of devices that may otherwise
have slave address conflicts. Any extended bus can be
connected or disconnected by control packets from the
main I2C bus writing to the main control register of
these I2C switches.
The MAX7357 and MAX7358 feature an enhanced
mode that includes a built-in timer used to monitor all
extended buses for lock-up conditions. If the clock or
data line of any of these buses is low for more than
25ms (typ), a lock condition is detected. An optional
interrupt can be generated through the bidirectional
RST/INT. The master can read the bus lock-up register
to find out which extended bus is locked up. The mas-
ter can also enable the MAX7357 or the MAX7358 to
send a “flush-out” sequence on the faulty channel.
There is an optional preconnection check that
can be enabled to toggle the extended bus clock and
data line low then high to ensure the downstream bus is
not locked high prior to connecting it to the host bus.
The MAX7356/MAX7357/MAX7358 are transparent
to signals sent and received at each channel, allowing
multiple masters. Any device connected to an I2C
bus can transmit and receive signals; however, only the
master connected to the host side of the MAX7356/
MAX7357/MAX7358 should address the device.
The MAX7356/MAX7357/MAX7358 are available in 24-pin
TSSOP and TQFN packages and are specified over the
extended -40°C to +85°C temperature range.
Applications
Features
o Bus Lock-Up Detection and Isolation (MAX7357,
MAX7358)
o Host Notification on Detection of Lock-Up
(MAX7357, MAX7358)
o Maintain Fault Diagnostic Information (MAX7357,
MAX7358)
o Dual-Function RST/INT Provides Lock-Up
Notification and Hardware Reset (MAX7357,
MAX7358)
o RST Input Resets I2C Interface (MAX7358)
o 3 Address Control Inputs
o Low RON Switches
o Logic-Level Translation
o Low 0.1A (typ) Standby Current
o Support Hot Insertion
o 100kbps Standard-Mode or 400kbps Fast-Mode
I2C Interface
o Address Translation Allows Multiple Device with
Same ID
o 5.5V-Tolerant Inputs
o 2.3V to 5.5V Supply
MAX7356/MAX7357/MAX7358
1-to-8 I2C Bus Switches/Multiplexers with Bus
Lock-Up Detection, Isolation, and Notification
________________________________________________________________
Maxim Integrated Products
1
19-4207; Rev 0; 9/08
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.
EVALUATION
KIT AVAILABLE
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
MAX7356ETG+
-40°C to +85°C
24 TQFN-EP*
MAX7356EUG+**
-40°C to +85°C
24 TSSOP
MAX7357ETG+
-40°C to +85°C
24 TQFN-EP*
MAX7357EUG+**
-40°C to +85°C
24 TSSOP
MAX7358ETG+
-40°C to +85°C
24 TQFN-EP*
MAX7358EUG+**
-40°C to +85°C
24 TSSOP
+
Denotes a lead-free/RoHS-compliant package.
*
EP = Exposed pad.
**
Future product—contact factory for availability.
Typical Operating Circuit and Pin Configurations appear at end of data sheet.
PART
ENHANCED
MODE
PRECONNECTION
WIGGLE TEST
POWER-UP
STATE
RST/INT
BIDIRECTIONAL
MAX7356
No
Basic mode
RST only
MAX7357
Yes
Yes, enhanced mode only
Enhanced mode
Yes
MAX7358
Yes
Yes, enhanced mode only
Basic mode
Yes
Selector Guide
Servers
RAID
Base Stations
Control and Automation Devices
SFP Control Interface
Networking Equipment
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX7356ETG+ | 功能描述:多路器開關(guān) IC 1-to-8 I2C Bus Switch/MUX RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| MAX7356ETG+T | 功能描述:多路器開關(guān) IC 1-to-8 I2C Bus Switch/MUX RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| MAX7356EUG+ | 功能描述:多路器開關(guān) IC 1-to-8 I2C Bus Switch/MUX RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| MAX7356EUG+T | 功能描述:多路器開關(guān) IC 1-to-8 I2C Bus Switch/MUX RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| MAX7357ETG+ | 功能描述:多路器開關(guān) IC 1-to-8 I2C Bus Switch/MUX RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
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