參數(shù)資料
型號: 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
文件頁數(shù): 6/24頁
文件大?。?/td> 132K
代理商: PCF8574AT
2002 Nov 22
6
Philips Semiconductors
Product specification
Remote 8-bit I/O expander for I
2
C-bus
PCF8574
5.2
SSOP20 package
SYMBOL
PIN
DESCRIPTION
INT
SCL
n.c.
SDA
V
DD
A0
A1
n.c.
A2
P0
P1
P2
n.c.
P3
V
SS
P4
P5
n.c.
P6
P7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
interrupt output (active LOW)
serial clock line
not connected
serial data line
supply voltage
address input 0
address input 1
not connected
address input 2
quasi-bidirectional I/O 0
quasi-bidirectional I/O 1
quasi-bidirectional I/O 2
not connected
quasi-bidirectional I/O 3
supply ground
quasi-bidirectional I/O 4
quasi-bidirectional I/O 5
not connected
quasi-bidirectional I/O 6
quasi-bidirectional I/O 7
handbook, halfpage
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
INT
SCL
n.c.
SDA
VDD
A0
A1
n.c.
A2
P0
P7
P6
n.c.
P5
VSS
P4
P3
n.c.
P2
P1
PCF8574TS
PCF8574ATS
MBD978
Fig.4 Pin configuration (SSOP20).
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