參數(shù)資料
型號(hào)： MAX7319
廠商： Maxim Integrated Products, Inc.
英文描述： 4-Bit D-type Registers with 3-State Outputs 16-CFP -55 to 125
中文描述： I²C端口擴(kuò)展器，具有8路輸入，可屏蔽瞬態(tài)檢測(cè)
文件頁(yè)數(shù)： 2/16頁(yè)
文件大?。?/td> 251K
代理商： MAX7319
M
I
2
C Port Expander with Eight Inputs and
Maskable Transition Detection
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
(All voltages referenced to GND.)
Supply Voltage V+....................................................-0.3V to +6V
SCL, SDA, AD0, AD2,
RST
,
INT
, I0
–
I7......................-0.3V to +6V
SDA Input Current.............................................................. 10mA
INT
Input Current ................................................................10mA
Total V+ Current..................................................................50mA
Total GND Current ...........................................................100mA
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Continuous Power Dissipation (T
A
= +70
°
C)
16-Pin QSOP (derate 8.3mW/
°
C over +70
°
C)..............667mW
16-Pin TQFN (derate 15.6mW/
°
C over +70
°
C) ..........1250mW
Operating Temperature Range .........................-40
°
C to +125
°
C
Junction Temperature......................................................+150
°
C
Storage Temperature Range.............................-65
°
C to +150
°
C
Lead Temperature (soldering, 10s).................................+300
°
C
ELECTRICAL CHARACTERISTICS
(V+ = +1.71V to +5.5V, T
A
= -40
°
C to +125
°
C, unless otherwise noted. Typical values are at V+ = +3.3V, T
A
= +25
°
C.) (Note 1)
PARAMETER
SYMBOL
V+
V
POR
I
STB
CONDITIONS
MIN
1.71
TYP
MAX
5.50
1.6
1.5
UNITS
V
V
μA
Operating Supply Voltage
Power-On Reset Voltage
Standby Current (Interface Idle)
SCL and SDA and other digital inputs at V+
0.6
Supply Current
(Interface Running)
I+
f
SCL
= 400kHz; other digital inputs at V+
23
55
μA
V
+
< 1.8V
V
+
≥
1.8V
V
+
< 1.8V
V
+
≥
1.8V
SDA, SCL, AD0, AD2,
RST
, I0
–
I7 at V+ or
GND
0.8 x V+
0.7 x V+
Input High Voltage
SDA, SCL, AD0, AD2,
RST
, I0
–
I7
V
IH
V
0.2 x V+
0.3 x V+
Input Low Voltage
SDA, SCL, AD0, AD2,
RST
, I0
–
I7
V
IL
V
Input Leakage Current
SDA, SCL, AD0, AD2,
RST
, I0
–
I7
I
IH
, I
IL
-0.2
+0.2
μA
Input Capacitance
SDA, SCL, AD0, AD2,
RST
, I0
–
I7
10
pF
Output Low Voltage
SDA
V
OLSDA
I
SINK
= 6mA
250
mV
Output Low Voltage
INT
V
OL
INT
I
SINK
= 5mA
100
250
mV
Port Input Pullup Resistor
R
PU
25
40
55
k
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