Maximum Clock Frequency:
Image Part Number Manufacturer Description Price Stock Operation
PCA9557D Texas Instruments
Interface - I/O Expanders ...
1+
$1.89
10+
$1.71
25+
$1.61
120+
$1.37
280+
$1.28
671
MOQ:1
INC:1
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PCF8574APW Texas Instruments
Interface - I/O Expanders ...
1+
$2.34
10+
$2.11
25+
$1.99
70+
$1.69
280+
$1.58
363
MOQ:1
INC:1
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PCA9557PW Texas Instruments
Interface - I/O Expanders ...
1+
$1.89
10+
$1.71
25+
$1.61
90+
$1.37
270+
$1.28
4,082
MOQ:1
INC:1
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PCA9557DB Texas Instruments
Interface - I/O Expanders ...
480+
$1.28
560+
$1.12
1040+
$0.93
In stock
MOQ:480
INC:80
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