參數資料
型號: MCP23016
廠商: Microchip Technology Inc.
英文描述: 16-Bit I2C I/O Expander(16位I/O口擴展芯片)
中文描述: 16位I2C I / O擴展(16位的I / O口擴展芯片)
文件頁數: 20/38頁
文件大?。?/td> 578K
代理商: MCP23016
MCP23016
DS20090B-page 20
2003 Microchip Technology Inc.
2.1
DC Characteristics
TABLE 2-1:
DC CHARACTERISTICS
DC CHARACTERISTICS
Standard Operating Conditions (unless otherwise stated)
Operating temperature:
-40°C
T
A
+85°C for industrial
Min
Typ
Max
Units
Param
No.
D001
D002
D003
Characteristic
Sym
Conditions
Supply Voltage
Standby Current
Standby Current
Input Low Voltage
I/O ports
TTL buffer
V
DD
I
DD
I
PD
2.0
0.4
25
5.5
V
mA
μA
IARES =
1
IARES =
0
V
IL
D004
D004A
D005
Vss
Vss
Vss
0.15 V
DD
0.8V
0.2 V
DD
V
For entire V
DD
range
4.5V
V
DD
5.5V
Schmitt Trigger buffer
Input High Voltage
I/O ports
TTL buffer
V
V
IH
D006
D006A
2.0
V
DD
V
DD
V
V
4.5V
V
DD
5.5V
For entire V
DD
range
0.25 V
DD
+ 0.8V
0.8 V
DD
D007
Schmitt Trigger buffer
Input Leakage Current
I/O ports
V
DD
V
For entire V
DD
range
D008
I
IL
±
1.0
μA
Vss
V
PIN
V
DD
,
Pin at hi-impedance
Vss
V
PIN
V
DD
D009
CLK
Output Low Voltage
I/O Ports
Output High Voltage
I/O Ports
V
DD
start voltage to ensure
internal POR signal
V
DD
rise rate to ensure
internal POR signal
DC Trip Point
V
DD
rise rate to ensure
internal POR signal with
PWRT enabled
DC Current Draw
These parameters are characterized but not tested.
Data in "Typ" column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance
only and are not tested.
Standby current is measured with all I/O in hi-impedance state and tied to V
DD
and V
SS
.
For RC CLK, current through R
EXT
is not included. The current through the resistor can be estimated by
the formula
Ir = V
DD
/2 R
EXT
(mA) with R
EXT
in kohm.
Negative current is defined as coming out of the pin.
±
5.0
μA
D010
V
OL
0.6
V
I
OL
= 8.5 mA, V
DD
= 4.5V
D010
D011
V
OH
V
POR
V
DD
-0.7
Vss
V
V
I
OH
= 3.0 mA, V
DD
= 4.5V
D012
S
VDD
0.05
-
V/ms
Note 1
V
TPOR
S
VDD
1.5
0.05
1.7
1.9
V
DC Slow Ramp
V/ms
Note 1
D012
I
POR
5.0
μA
At 5.0V (1 μ/Volt typical)
Note 1:
2:
3:
4:
5:
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