參數(shù)資料
型號(hào): MCP23S08
廠商: Microchip Technology Inc.
英文描述: 8-Bit I/O Expander with Serial Interface
中文描述: 8位的I / O串行接口擴(kuò)展
文件頁數(shù): 22/40頁
文件大?。?/td> 498K
代理商: MCP23S08
MCP23008/MCP23S08
DS21919B-page 22
2005 Microchip Technology Inc.
2.1
DC Characteristics
DC Characteristics
Operating Conditions (unless otherwise indicated):
1.8V
V
DD
5.5V at -40
°
C
T
A
+85
°
C (I-Temp)
4.5V
V
DD
5.5V at -40
°
C
T
A
+125
°
C (E-Temp)
(Note 1)
Param
No.
Characteristic
Sym
Min
Typ
Max
Units
Conditions
D001
D002
Supply Voltage
V
DD
Start Voltage to
Ensure Power-on
Reset
V
DD
Rise Rate to
Ensure Power-on
Reset
Supply Current
Standby current
V
DD
V
POR
1.8
V
SS
5.5
V
V
D003
SV
DD
0.05
V/ms
Design guidance only.
Not tested.
D004
D005
I
DD
I
DDS
1
1
2
mA
μA
μA
SCL/SCK = 1 MHz
4.5V - 5.5V @ +125
°
C
(Note 1)
Input Low-Voltage
A0, A1 (TTL buffer)
CS, GPIO, SCL/SCK,
SDA, A2, RESET
(Schmitt Trigger)
Input High-Voltage
A0, A1
(TTL buffer)
CS, GPIO, SCL/SCK,
SDA, A2, RESET
(Schmitt Trigger)
Input Leakage Current
I/O port pins
Output Leakage Current
I/O port pins
GPIO weak pull-up
current
Output Low-Voltage
GPIO
INT
SO, SDA
SDA
Output High-Voltage
GPIO, INT, SO
D030
D031
V
IL
V
SS
V
SS
0.15 V
DD
0.2 V
DD
V
V
D040
V
IH
0.25 V
DD
+ 0.8
V
DD
V
D041
0.8 V
DD
V
DD
V
For entire V
DD
range.
D060
I
IL
±1
μA
V
SS
V
PIN
V
DD
D065
D070
I
LO
I
PU
40
75
±1
115
μA
μA
V
SS
V
PIN
V
DD
V
DD
= 5V, GP Pins = V
SS
–40°C
T
A
+85°C
D080
V
OL
0.6
0.6
0.6
0.8
V
V
V
V
I
OL
= 8.5 mA, V
DD
= 4.5V
I
OL
= 1.6 mA, V
DD
= 4.5V
I
OL
= 3.0 mA, V
DD
= 1.8V
I
OL
= 3.0 mA, V
DD
= 4.5V
D090
V
OH
V
DD
– 0.7
V
DD
– 0.7
V
I
OH
= -3.0 mA, V
DD
= 4.5V
I
OH
= -400 μA, V
DD
= 1.8V
Capacitive Loading Specs on Output Pins
GPIO, SO, INT
SDA
This parameter is characterized, not 100% tested.
D101
D102
Note 1:
C
IO
C
B
50
400
pF
pF
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