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參數(shù)資料
| 型號： | PCF8574 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Remote 8-bit I/O expander for I2C-bus |
| 中文描述： | SPECIALTY MICROPROCESSOR CIRCUIT |
| 文件頁數(shù)： | 5/24頁 |
| 文件大小： | 156K |
| 代理商： | PCF8574 |
1997 Apr 02
5
Philips Semiconductors
Product specification
Remote 8-bit I/O expander for I
2
C-bus
PCF8574
5
PINNING
SYMBOL
PIN
DESCRIPTION
DIP16; SO16
SSOP20
A0
A1
A2
P0
P1
P2
P3
V
SS
P4
P5
P6
P7
INT
SCL
SDA
V
DD
n.c.
n.c.
n.c.
n.c.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
6
7
9
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
not connected
not connected
not connected
not connected
10
11
12
14
15
16
17
19
20
1
2
4
5
3
8
13
18
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
PCF8574
PCF8574A
MBD979
Fig.2 Pin configuration (DIP16; SO16).
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
MBD978
Fig.3 Pin configuration (SSOP20).
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCF8574_02 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Remote 8-bit I/O expander for I2C-bus |
| PCF8574_07 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:REMOTE 8-BIT I/O EXPANDER FOR I2C BUS |
| PCF8574_08 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:REMOTE 8-BIT I/O EXPANDER FOR I2C BUS |
| PCF8574_10 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:REMOTE 8-BIT I/O EXPANDER FOR I2C BUS |
| PCF8574A | 制造商:TI 制造商全稱:Texas Instruments 功能描述:REMOTE 8BIT I/O EXPANDER FOR I2C BUS |
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