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參數(shù)資料
型號(hào)： MAX7314AEG+
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 22/25頁(yè)
文件大?。?/td> 0K
描述： IC I/O EXPANDER I2C 16B 24QSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 50
接口： I²C
輸入/輸出數(shù)： 18
中斷輸出： 是
頻率 - 時(shí)鐘： 400kHz
電源電壓： 2 V ~ 3.6 V
工作溫度： -40°C ~ 125°C
安裝類型： 表面貼裝
封裝/外殼： 24-SSOP（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 24-QSOP
包裝： 管件
MAX7314
Functional Overview
The MAX7314 is a general-purpose input/output (GPIO)
peripheral that provides 16 I/O ports, P0–P15, con-
trolled through an I2C-compatible serial interface. A
17th output-only port, INT/O16, can be configured as
an interrupt output or as a general-purpose output port.
All output ports sink loads up to 50mA connected to
external supplies up to 5.5V, independent of the
MAX7314’s supply voltage. The MAX7314 is rated for a
ground current of 350mA, allowing all 17 outputs to sink
20mA at the same time. Figure 1 shows the output
structure of the MAX7314. The ports default to inputs on
power-up.
18-Port GPIO with LED Intensity Control,
Interrupt, and Hot-Insertion Protection
6
_______________________________________________________________________________________
Pin Description
Figure 1. Simplified Schematic of I/O Ports
D
CK
Q
FF
DATA FROM
SHIFT REGISTER
DATA FROM
SHIFT REGISTER
WRITE
CONFIGURATION
PULSE
WRITE PULSE
READ PULSE
CONFIGURATION
REGISTER
D
CK
Q
FF
INPUT PORT
REGISTER
D
CK
Q
FF
OUTPUT
PORT
REGISTER
OUTPUT PORT
REGISTER DATA
I/O PIN
Q2
GND
INPUT PORT
REGISTER DATA
TO INT
PIN
QSOP
QFN
NAME
FUNCTION
122
INT/O16
Output Port. Open-drain output rated at 7V, 50mA. Configurable as interrupt
output or general-purpose output.
223
RST
Reset Input. Active low clears the 2-wire interface and puts the device in the
same condition as power-up reset.
3
24
AD0
Address Input. Sets device slave address. Connect to either GND, V+, SCL,
or SDA to give four logic combinations. See Table 1.
4–11, 13–20
1–8, 10–17
P0–P15
Input/Output Ports. P0–P15 are open-drain I/Os rated at 5.5V, 50mA.
12
9
GND
Ground. Do not sink more than 350mA into the GND pin.
21
18
BLINK
Input Port Configurable as Blink Control or General-Purpose Input
22
19
SCL
I2C-Compatible Serial Clock Input
23
20
SDA
I2C-Compatible Serial Data I/O
24
21
V+
Positive Supply Voltage. Bypass V+ to GND with a 0.047F ceramic
capacitor.
—
PAD
Exposed Pad
Exposed Pad on Package Underside. Connect to GND.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX7314AEG+ 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 18-Port GPIO RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
MAX7314AEG+T 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 18-Port GPIO RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
MAX7314AEG-T 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 18-Port GPIO RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
MAX7314ATG 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
MAX7314ATG+ 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 18-Port GPIO RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
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