8574A 查看數據表（PDF） - Philips Electronics
零件编号
产品描述 (功能)
生产厂家
8574A Datasheet PDF : 24 Pages
| |||
Philips Semiconductors
Remote 8-bit I/O expander for I2C-bus
5 PINNING
5.1 DIP16 and SO16 packages
SYMBOL
A0
A1
A2
P0
P1
P2
P3
VSS
P4
P5
P6
P7
INT
SCL
SDA
VDD
PIN
1
address input 0
2
address input 1
3
address input 2
4
quasi-bidirectional I/O 0
5
quasi-bidirectional I/O 1
6
quasi-bidirectional I/O 2
7
quasi-bidirectional I/O 3
8
supply ground
9
quasi-bidirectional I/O 4
10
quasi-bidirectional I/O 5
11
quasi-bidirectional I/O 6
12
quasi-bidirectional I/O 7
13
interrupt output (active LOW)
14
serial clock line
15
serial data line
16
supply voltage
DESCRIPTION
Product specification
PCF8574
handbook, halfpage
A0 1
16 VDD
A1 2
15 SDA
A2 3
14 SCL
P0 4 PCF8574P 13 INT
P1 5 PCF8574AP 12 P7
P2 6
11 P6
P3 7
VSS 8
10 P5
9 P4
MBD979
Fig.2 Pin configuration (DIP16).
handbook, halfpage
A0 1
A1 2
A2 3
P0 4
P1 5
P2 6
P3 7
VSS 8
16 VDD
15 SDA
14 SCL
PCF8574T 13 INT
PCF8574AT 12 P7
11 P6
10 P5
9 P4
MCE001
Fig.3 Pin configuration (SO16).
2002 Nov 22
5
Share Link: 