I2C Port Expander with 8 Open-Drain I/Os 2 Maxim Integrated ABSOLUTE MAX" />
鍙冩暩(sh霉)璩囨枡
鍨嬭櫉锛� MAX7321ATE+T
寤犲晢锛� Maxim Integrated Products
鏂囦欢闋佹暩(sh霉)锛� 8/15闋�
鏂囦欢澶�?銆�?/td> 0K
鎻忚堪锛� IC I/O EXPANDER I2C 8B 16TQFN-EP
鐢�(ch菐n)鍝佸煿瑷�(x霉n)妯″锛� Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
妯�(bi膩o)婧�(zh菙n)鍖呰锛� 2,500
鎺ュ彛锛� I²C
杓稿叆/杓稿嚭鏁�(sh霉)锛� 8
涓柗杓稿嚭锛� 鏄�
闋荤巼 - 鏅�(sh铆)閻橈細 400kHz
闆绘簮闆诲锛� 1.71 V ~ 5.5 V
宸ヤ綔婧害锛� -40°C ~ 125°C
瀹夎椤炲瀷锛� 琛ㄩ潰璨艰
灏佽/澶栨锛� 16-WFQFN 瑁搁湶鐒婄洡
渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 16-TQFN-EP锛�3x3锛�
鍖呰锛� 甯跺嵎 (TR)
鍖呮嫭锛� POR
MAX7321
I2C Port Expander with 8 Open-Drain I/Os
2
Maxim Integrated
ABSOLUTE MAXIMUM RATINGS
Stresses beyond those listed under 鈥淎bsolute Maximum Ratings鈥� 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.
(All voltages referenced to GND.)
Supply Voltage V+....................................................-0.3V to +6V
SCL, SDA, AD0, AD2, RST, INT, P0鈥揚7 ...................-0.3V to +6V
P0鈥揚7 Sink Current ............................................................ 25mA
SDA Sink Current ............................................................... 10mA
INT Sink Current..................................................................10mA
Total V+ Current..................................................................50mA
Total GND Current ...........................................................100mA
Continuous Power Dissipation (TA = +70掳C)
16-Pin QSOP (derate 8.3mW/掳C above +70掳C)...........667mW
16-Pin TQFN (derate 15.6mW/掳C above +70掳C) .......1250mW
Operating Temperature Range .........................-40掳C to +125掳C
Junction Temperature ......................................................+150掳C
Storage Temperature Range .............................-65掳C to +150掳C
Lead Temperature (soldering, 10s) .................................+300掳C
Soldering Temperature (reflow)
QSOP ..........................................................................+240掳C
TQFN...........................................................................+260掳C
ELECTRICAL CHARACTERISTICS
(V+ = +1.71V to +5.5V, TA = -40掳C to +125掳C, unless otherwise noted. Typical values are at V+ = +3.3V, TA = +25掳C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Operating Supply Voltage
V+
1.71
5.50
V
Power-On Reset Voltage
VPOR
V+ falling
1.6
V
Standby Current
(Interface Idle)
ISTB
SCL and SDA and other digital inputs at V+
0.6
1.5
A
Supply Current
(Interface Running)
I+
fSCL = 400kHz; other digital inputs at V+
23
55
A
V+ < 1.8V
0.8 x V+
Input High Voltage
SDA, SCL, AD0, AD2,
RST, P0鈥揚7
VIH
V+
鈮� 1.8
0.7 x V+
V
V+ < 1.8V
0.2 x V+
Input Low Voltage
SDA, SCL, AD0, AD2,
RST, P0鈥揚7
VIL
V+
鈮� 1.8V
0.3 x V+
V
Input Leakage Current
SDA, SCL, AD0, AD2,
RST, P0鈥揚7
IIH, IIL
SDA, SCL, AD0, AD2,
RST, P0鈥揚7 at V+ or
GND, internal pullup disabled
-0.2
+0.2
A
Input Capacitance
SDA, SCL, AD0, AD2,
RST, P0鈥揚7
10
pF
V+ = +1.71V, ISINK = 5mA
90
180
V+ = +2.5V, ISINK = 10mA
110
210
V+ = +3.3V, ISINK = 15mA
130
230
Output Low Voltage
P0鈥揚7
VOL
V+ = +5V, ISINK = 20mA
140
250
mV
Output Low Voltage
SDA
VOLSDA
ISINK = 6mA
250
mV
Output Low Voltage
INT
VOLINT
ISINK = 5mA
130
250
mV
Port Input Pullup Resistor
RPU
25
40
55
k
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