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PCA9555PWRE4 参数 Datasheet PDF下载

PCA9555PWRE4图片预览
型号: PCA9555PWRE4
PDF下载: 下载PDF文件 查看货源
内容描述: 远程16位I2C和SMBus I / O扩展器,带有中断输出和配置寄存器 [REMOTE 16-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS]
分类和应用: 并行IO端口微控制器和处理器外围集成电路光电二极管输出元件
文件页数/大小: 35 页 / 843 K
品牌: TI [ TEXAS INSTRUMENTS ]
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PCA9555  
REMOTE 16-BIT I2C AND SMBus I/O EXPANDER  
WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS  
www.ti.com  
SCPS131DAUGUST 2005REVISED OCTOBER 2006  
TYPICAL CHARACTERISTICS  
TA = 25°C (unless otherwise noted)  
SUPPLY CURRENT  
vs  
TEMPERATURE  
STANDBY SUPPLY CURRENT  
SUPPLY CURRENT  
vs  
vs  
TEMPERATURE  
SUPPLY VOLTAGE  
55  
50  
45  
40  
35  
30  
25  
20  
15  
10  
5
70  
60  
50  
40  
30  
20  
10  
0
30  
25  
20  
15  
10  
5
SCL = VCC  
fSCL = 400 kHz  
I/Os Unloaded  
VCC = 5 V  
fSCL = 400 kHz  
I/Os Unloaded  
VCC = 5 V  
VCC = 3.3 V  
VCC = 3.3 V  
VCC = 2.5 V  
VCC = 2.5 V  
0
0
-50  
-25  
0
25  
50  
75  
100  
2.3  
2.7  
3.1  
3.5  
3.9  
4.3  
4.7  
5.1  
5.5  
-50  
-25  
0
25  
50  
75  
100  
TA – Free-Air Temperature – °C  
VCC – Supply Voltage – V  
TA – Free-Air Temperature – °C  
I/O SINK CURRENT  
vs  
OUTPUT LOW VOLTAGE  
I/O SINK CURRENT  
vs  
OUTPUT LOW VOLTAGE  
I/O SINK CURRENT  
vs  
OUTPUT LOW VOLTAGE  
30  
25  
20  
15  
10  
5
50  
45  
40  
35  
30  
25  
20  
15  
10  
5
40  
35  
30  
25  
20  
15  
10  
5
VCC = 5 V  
VCC = 3.3 V  
VCC = 2.5 V  
TA = –40°C  
TA = –40°C  
TA = –40°C  
TA = 25°C  
TA = 25°C  
TA = 25°C  
TA = 125°C  
TA = 125°C  
TA = 125°C  
0
0
0
0.0  
0.1  
0.2  
0.3  
0.4  
0.5  
0.6  
0.0  
0.1  
0.2  
0.3  
0.4  
0.5  
0.6  
0.0  
0.1  
0.2  
0.3  
0.4  
0.5  
0.6  
VOL – Output Low Voltage – V  
V
OL – Output Low Voltage – V  
VOL – Output Low Voltage – V  
I/O OUTPUT LOW VOLTAGE  
I/O SOURCE CURRENT  
vs  
OUTPUT HIGH VOLTAGE  
I/O SOURCE CURRENT  
vs  
OUTPUT HIGH VOLTAGE  
vs  
TEMPERATURE  
300  
275  
250  
225  
200  
175  
150  
125  
100  
75  
35  
30  
25  
20  
15  
10  
5
50  
45  
40  
35  
30  
25  
20  
15  
10  
5
VCC = 2.5 V, ISINK = 10 mA  
VCC = 3.3 V  
VCC = 2.5 V  
TA = –40°C  
TA = –40°C  
TA = 25°C  
TA = 25°C  
VCC = 5 V, ISINK = 10 mA  
TA = 125°C  
VCC = 2.5 V, ISINK = 1 mA  
VCC = 5 V, ISINK = 1 mA  
TA = 125°C  
50  
25  
0
0
0.0  
0.1  
0.2  
0.3  
0.4  
0.5  
0.6  
0.7  
0
0.0  
0.1  
0.2  
0.3  
0.4  
0.5  
0.6  
0.7  
-50  
-25  
0
25  
50  
75  
100  
(VCC – VOH) – V  
(VCC – VOH) – V  
TA – Free-Air Temperature – °C  
16  
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