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參數(shù)資料
| 型號(hào)： | MAX7324ATG+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 16/20頁 |
| 文件大小： | 0K |
| 描述： | IC I/O EXPANDER I2C 8B 24TQFN-EP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 接口： | I²C |
| 輸入/輸出數(shù)： | 8 |
| 中斷輸出： | 是 |
| 頻率 - 時(shí)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-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 24-TQFN-EP（4x4） |
| 包裝： | 帶卷 (TR) |
| 包括： | POR |
Detailed Description
MAX7324–MAX7327 Family Comparison
The MAX7324–MAX7327 family consists of four pin-
compatible, 16-port expanders that integrate the func-
tion of the MAX7320 and one of either the MAX7319,
MAX7321, MAX7322, or MAX7323.
Functional Overview
The MAX7324 is a general-purpose port expander
operating from a +1.71V to +5.5V supply with eight
push-pull outputs and eight CMOS input ports that are
overvoltage protected to +6V.
The MAX7324 is set to two of 32 I2C slave addresses
(see Tables 2 and 3) using address select inputs AD0
and AD2, and is accessed over an I2C serial interface
up to 400kHz. The eight outputs and eight inputs have
different slave addresses. The eight push-pull outputs
have the 101xxxx addresses and the eight inputs have
the adresses with 110xxxx. The RST input clears the
serial interface in case of a bus lockup, terminating any
serial transaction to or from the MAX7324.
The input ports offer latching transition detection fea-
ture. All input ports are continuously monitored for
changes. An input change sets 1 of 8 flag bits that
identify the changed input(s). All flags are cleared upon
a subsequent read or write transaction to the MAX7324.
MAX7324
I2C Port Expander with Eight Push-Pull Outputs
and Eight Inputs
_______________________________________________________________________________________
5
PART
I2C
SLAVE
ADDRESS
INPUTS
INPUT
INTERRUPT
MASK
OPEN-
DRAIN
OUTPUTS
PUSH-
PULL
OUTPUTS
CONFIGURATION
16-PORT EXPANDERS
MAX7324
8
Yes
—
8
8 inputs and 8 push-pull outputs version:
8 input ports with programmable latching transition
detection interrupt and selectable pullups.
8 push-pull outputs with selectable default logic
levels.
Offers maximum versatility for automatic input
monitoring. An interrupt mask selects which inputs
cause an interrupt on transitions, and transition flags
identify which inputs have changed (even if only for
a transient) since the ports were last read.
MAX7325
101xxxx
and
110xxxx
Up to 8
—
Up to 8
8
8 I/O and 8 push-pull outputs version:
8 open-drain I/O ports with latching transition
detection interrupt and selectable pullups.
8 push-pull outputs with selectable default logic
levels.
Open-drain outputs can level shift the logic-high
state to a higher or lower voltage than V+ using
external pullup resistors, but pullups draw current
when output is low. Any open-drain port can be used
as an input by setting the open-drain output to logic-
high. Transition flags identify which open-drain port
inputs have changed (even if only for a transient)
since the ports were last read.
Table 1. MAX7319–MAX7329 Family Comparison
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX7324EVCMAXQU+ | 功能描述:界面開發(fā)工具 Maxim Evaluation System RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| MAX7324EVKIT+ | 功能描述:界面開發(fā)工具 Evaluation Kit/Evaluation System for the MAX7324 RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| MAX7325 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:I2C Port Expander with 8 Push-Pull and 8 Open-Drain I/Os |
| MAX7325_12 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:I2C Port Expander with 8 Push-Pull and 8 Open-Drain I/Os |
| MAX7325AEG | 功能描述:接口-I/O擴(kuò)展器 I2C Port Expander w/8 P-P Out & 8 I/O 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(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
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