I2C Port Expander with Eight Inputs and Maskable Transition Detection 4 " />
參數(shù)資料
型號: MAX7319ATE+T
廠商: Maxim Integrated Products
文件頁數(shù): 11/16頁
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 8B 16TQFN-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:
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: 16-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 16-TQFN-EP(3x3)
包裝: 帶卷 (TR)
MAX7319
I2C Port Expander with Eight Inputs and
Maskable Transition Detection
4
_______________________________________________________________________________________
Typical Operating Characteristics
(TA = +25°C, unless otherwise noted.)
0
20
10
40
30
50
60
-40
-10 5
20
-25
35 50 65 80 95 110 125
SUPPLY CURRENT vs. TEMPERATURE
MAX7319
toc02
TEMPERATURE (
°C)
SUPPLY
CURRENT
A)
V+ = +3.3V
V+ = +5.0V
V+ = +1.71V
V+ = +2.5V
fSCL = 400kHz
Pin Description
PIN
QSOP
TQFN
NAME
FUNCTION
1, 3
15, 1
AD0, AD2
Address Inputs. Select device slave address with AD0 and AD2. Connect AD0 and AD2
to either GND, V+, SCL, or SDA to give four logic combinations (see Table 3).
216
RST
Reset Input, Active Low. Drive RST low to clear the 2-wire interface.
4–7, 9–12
2–5, 7–10
I0–I7
Input Ports. I0 to I7 are CMOS logic inputs protected to +6V.
8
6
GND
Ground
13
11
INT
Interrupt Output, Active Low. INT is an open-drain output rated at +6V.
14
12
SCL
I2C-Compatible Serial Clock Input
15
13
SDA
I2C-Compatible Serial Data I/O
16
14
V+
Positive Supply Voltage. Bypass V+ to GND with a ceramic capacitor of at least 0.047F.
EP
Exposed Pad. Connect exposed pad to GND.
0
0.4
0.2
1.0
0.8
0.6
1.2
1.4
1.8
1.6
-40
-10 5
-25
20 35 50 65 80 95 110 125
STANDBY CURRENT vs. TEMPERATURE
MAX7319
toc01
TEMPERATURE (
°C)
STANDBY
CURRENT
A)
V+ = +3.3V
V+ = +2.5V
V+ = +5.0V
V+ = +1.71V
fSCL = 0kHz
2.0
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