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参数资料
| 型号： | 935269568118 |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16 I/O, PIA-GENERAL PURPOSE, PDSO24 |
| 封装： | 5.30 MM, PLASTIC, MO-150, SOT-340-1, SSOP-24 |
| 文件页数： | 11/17页 |
| 文件大小： | 151K |
| 代理商： | 935269568118 |
Philips Semiconductors
Product data
PCA9555
16-bit I2C and SMBus I/O port with interrupt
2002 Jul 26
3
PIN CONFIGURATION — SO, SSOP, TSSOP
SU01438
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
INT
A1
A2
I/O0.0
I/O0.1
I/O0.2
I/O0.3
I/O0.4
I/O0.5
I/O0.6
I/O0.7
VDD
SDA
SCL
A0
I/O1.7
I/O1.6
I/O1.5
I/O1.3
I/O1.4
I/O1.2
I/O1.1
I/O1.0
VSS
Figure 1. Pin configuration — SO, SSOP, TSSOP
PIN CONFIGURATION — HVQFN
18
17
16
15
14
7
8
9
10
11
1
2
3
4
5
24
23
22
21
20
su01683
TOP VIEW
I/O0.0
A0
6
13
12
19
I/O0.1
I/O0.2
I/O0.3
I/O0.4
I/O0.5
I/O1.3
I/O1.4
I/O1.5
I/O1.6
I/O1.7
I/O0.6
I/O0.7
I/O1.0
I/O1.1
I/O1.2
A2
A1
INT
V
SDA
SCL
DD
V
SS
Figure 2. Pin configuration — HVQFN
PIN DESCRIPTION
SO, SSOP,
TSSOP PIN
NUMBER
HVQFN PIN
NUMBER
SYMBOL
FUNCTION
1
22
INT
Interrupt output (open drain)
2
23
A1
Address input 1
3
24
A2
Address input 2
4–11
1–8
I/O0.0–I/O0.7
I/O0.0 to I/O0.7
12
9
VSS
Supply ground
13–20
10–17
I/O1.0–I/O1.7
I/O1.0 to I/O1.7
21
18
A0
Address input 0
22
19
SCL
Serial clock line
23
20
SDA
Serial data line
24
21
VDD
Supply voltage
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