參數(shù)資料
型號(hào): PCF8574AT
廠商: NXP Semiconductors N.V.
元件分類: I2C/I2S
英文描述: Remote 8-bit I-O expander for I2C-bus
封裝: PCF8574AP<SOT38-4 (DIP16)|<<http://www.nxp.com/packages/SOT38-4.html<1<Always Pb-free,;PCF8574AT/3<SOT162-1 (SO16)|<<http://www.nxp.com/packages/SOT162-1.html<1<wee
文件頁(yè)數(shù): 5/24頁(yè)
文件大?。?/td> 132K
代理商: PCF8574AT
2002 Nov 22
5
Philips Semiconductors
Product specification
Remote 8-bit I/O expander for I
2
C-bus
PCF8574
5
PINNING
5.1
DIP16 and SO16 packages
SYMBOL
PIN
DESCRIPTION
A0
A1
A2
P0
P1
P2
P3
V
SS
P4
P5
P6
P7
INT
SCL
SDA
V
DD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
address input 0
address input 1
address input 2
quasi-bidirectional I/O 0
quasi-bidirectional I/O 1
quasi-bidirectional I/O 2
quasi-bidirectional I/O 3
supply ground
quasi-bidirectional I/O 4
quasi-bidirectional I/O 5
quasi-bidirectional I/O 6
quasi-bidirectional I/O 7
interrupt output (active LOW)
serial clock line
serial data line
supply voltage
handbook, halfpage
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
INT
A0
A1
A2
P0
P1
P2
P3
SDA
VSS
SCL
P7
P6
P5
P4
VDD
PCF8574P
PCF8574AP
MBD979
Fig.2 Pin configuration (DIP16).
handbook, halfpage
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
INT
A0
A1
A2
P0
P1
P2
P3
SDA
VSS
SCL
P7
P6
P5
P4
VDD
PCF8574T
PCF8574AT
MCE001
Fig.3 Pin configuration (SO16).
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