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I/O Expanders

A I/O expander is a is a specialized integrated circuit that helps in increasing the number of input and output pins available to a microcontroller or other digital devices.
I/O Expanders
PRODUCT PRICE AvailabilityRefresh Stock Manufacturer Information FOR USE WITH TYPE

I/O Expander, 16 bit, I2C, SMBus, 2.3 V, 5.5 V, TSSOP, 24 Pins

Avnet Manufacturer Part #: CAT9555YI-T2
2000+
$0.45619
4000+
$0.45386
8000+
$0.45154
16000+
$0.44921
32000+
$0.44688
USD $:
912.38
Min:2000  Mult:2000  
  • In Stock :192000
  • Ships in 1 bus. day
  • Additional inventory
    Factory Lead Time: 41 Weeks
onsemi
  • Legend Information Icon RoHS 6 Compliant
Avnet Manufacturer Part #: CP82C55AZ
USD $:
0.00
Min:990  Mult:99  
  • In Stock :594
  • Ships in 1 bus. day
  • Additional inventory
    Factory Lead Time: 111 Weeks
Renesas Electronics
  • Legend Information Icon RoHS 6 Compliant
Avnet Manufacturer Part #: MCP23008-E/SS
1+
$1.1466
2+
$1.1368
4+
$1.12063
8+
$1.10446
16+
$1.08829
USD $:
1.15
Min:1  Mult:1  
  • In Stock :21
  • Ships in 1 bus. day
  • Additional inventory
    Factory Lead Time: 5 Weeks
Microchip
  • Legend Information Icon RoHS 6 Compliant
Avnet Manufacturer Part #: MCP23008T-E/SS
1600+
$1.32432
3200+
$1.29801
6400+
$1.27937
12800+
$1.26126
25600+
$1.225
USD $:
2,118.91
Min:1600  Mult:1600  
  • In Stock :1600
  • Ships in 1 bus. day
  • Additional inventory
    Factory Lead Time: 4 Weeks
Microchip
  • Legend Information Icon RoHS 6 Compliant
Avnet Manufacturer Part #: MCP23017-E/SS
1+
$1.5147
2+
$1.48344
4+
$1.46214
8+
$1.44144
16+
$1.4
USD $:
1.51
Min:1  Mult:1  
  • In Stock :130
  • Ships in 1 bus. day
  • Additional inventory
    Factory Lead Time: 7 Weeks
Microchip
  • Legend Information Icon RoHS 6 Compliant
Avnet Manufacturer Part #: MCP23018T-E/SO
1600+
$1.78378
3200+
$1.74834
6400+
$1.72324
12800+
$1.69884
25600+
$1.65
USD $:
2,854.05
Min:1600  Mult:1600  
  • In Stock :1600
  • Ships in 1 bus. day
  • Additional inventory
    Factory Lead Time: 5 Weeks
Microchip
  • Legend Information Icon RoHS 6 Compliant
Avnet Manufacturer Part #: MCP23S08T-E/SS
1600+
$1.1817
3200+
$1.1716
6400+
$1.15494
12800+
$1.13827
25600+
$1.1216
USD $:
1,890.72
Min:1600  Mult:1600  
  • In Stock :1600
  • Ships in 1 bus. day
  • Additional inventory
    Factory Lead Time: 4 Weeks
Microchip
  • Legend Information Icon RoHS 6 Compliant
Avnet Manufacturer Part #: MCP23S09-E/MG
120+
$1.52703
240+
$1.49669
480+
$1.4752
960+
$1.45431
1920+
$1.4125
USD $:
183.24
Min:120  Mult:1  
  • In Stock :84
  • Ships in 1 bus. day
  • Additional inventory
    Factory Lead Time: 8 Weeks
Microchip
  • Legend Information Icon RoHS 6 Compliant
Avnet Manufacturer Part #: MCP23S17-E/ML
1+
$1.88571
2+
$1.78378
4+
$1.73684
8+
$1.69231
16+
$1.65
USD $:
1.89
Min:1  Mult:1  
  • In Stock :22
  • Ships in 1 bus. day
  • Additional inventory
    Factory Lead Time: 18 Weeks
Microchip
  • Legend Information Icon RoHS 6 Compliant
Avnet Manufacturer Part #: MCP23S17-E/SO
27+
$1.51351
54+
$1.48344
108+
$1.46214
216+
$1.44144
432+
$1.4
USD $:
40.86
Min:27  Mult:1  
  • In Stock :15
  • Ships in 1 bus. day
  • Additional inventory
    Factory Lead Time: 17 Weeks
Microchip
  • Legend Information Icon RoHS 6 Compliant
Avnet Manufacturer Part #: MCP23S17-E/SS
1+
$1.56757
2+
$1.53642
4+
$1.51436
8+
$1.49292
16+
$1.45
USD $:
1.57
Min:1  Mult:1  
  • In Stock :504
  • Ships in 1 bus. day
  • Additional inventory
    Factory Lead Time: 17 Weeks
Microchip
  • Legend Information Icon RoHS 6 Compliant
Avnet Manufacturer Part #: MCP23S17T-E/ML
1600+
$1.78378
3200+
$1.74834
6400+
$1.72324
12800+
$1.69884
25600+
$1.65
USD $:
2,854.05
Min:1600  Mult:1600  
  • In Stock :1600
  • Ships in 1 bus. day
  • Additional inventory
    Factory Lead Time: 18 Weeks
Microchip
  • Legend Information Icon RoHS 6 Compliant

I/O Expander 28-Pin SOIC W T/R

Avnet Manufacturer Part #: MCP23S17T-E/SO
1600+
$1.51351
3200+
$1.48344
6400+
$1.46214
12800+
$1.44144
25600+
$1.4
USD $:
2,421.62
Min:1600  Mult:1600  
  • In Stock :3200
  • Ships in 1 bus. day
  • Additional inventory
    Factory Lead Time: 18 Weeks
Microchip
  • Legend Information Icon RoHS 6 Compliant
Avnet Manufacturer Part #: MCP23S17T-E/SS
2100+
$1.56757
4200+
$1.53642
8400+
$1.51436
16800+
$1.49292
33600+
$1.45
USD $:
3,291.90
Min:2100  Mult:2100  
  • In Stock :6300
  • Ships in 1 bus. day
  • Additional inventory
    Factory Lead Time: 17 Weeks
Microchip
  • Legend Information Icon RoHS 6 Compliant
Avnet Manufacturer Part #: MCP23S18-E/MJ
91+
$1.89189
182+
$1.8543
364+
$1.82768
728+
$1.8018
1456+
$1.75
USD $:
172.16
Min:91  Mult:1  
  • In Stock :273
  • Ships in 1 bus. day
  • Additional inventory
    Factory Lead Time: 9 Weeks
Microchip
  • Legend Information Icon RoHS 6 Compliant

I/O Expander 28-Pin SOIC W

Avnet Manufacturer Part #: MCP23S18-E/SO
27+
$1.89189
54+
$1.8543
108+
$1.82768
216+
$1.8018
432+
$1.75
USD $:
51.08
Min:27  Mult:1  
  • In Stock :189
  • Ships in 1 bus. day
  • Additional inventory
    Factory Lead Time: 10 Weeks
Microchip
  • Legend Information Icon RoHS 6 Compliant

Low-Voltage Translating 16-bit I2C-Bus/SMBus I/O Expander 24-Pin HWQFN T/R

Avnet Manufacturer Part #: PCA6416AHF,128
6000+
$0.86338
12000+
$0.84622
24000+
$0.83407
48000+
$0.82226
96000+
$0.79862
USD $:
5,180.28
Min:6000  Mult:6000  
  • In Stock :6000
  • Ships in 1 bus. day
  • Additional inventory
    Factory Lead Time: 30 Weeks
NXP
  • Legend Information Icon RoHS 6 Compliant

I/O Expander 24-Pin HVQFN EP T/R

Avnet Manufacturer Part #: PCA9502BS,128
1500+
$1.87141
3000+
$1.84122
6000+
$1.81069
12000+
$1.78032
24000+
$1.75014
USD $:
2,807.12
Min:1500  Mult:1500  
  • In Stock :4500
  • Ships in 1 bus. day
  • Additional inventory
    Factory Lead Time: 30 Weeks
NXP
  • Legend Information Icon RoHS 6 Compliant

I/O Expander, 16 bit, I2C, SMBus, 1.65 V, 5.5 V, HWQFN, 24 Pins

Avnet Manufacturer Part #: PCA9535AHF,128
6000+
$1.00257
12000+
$0.98265
24000+
$0.96854
48000+
$0.95483
96000+
$0.92738
USD $:
6,015.42
Min:6000  Mult:6000  
  • In Stock :6000
  • Ships in 1 bus. day
  • Additional inventory
    Factory Lead Time: 30 Weeks
NXP
  • Legend Information Icon RoHS 6 Compliant
Avnet Manufacturer Part #: PCA9535BS,118
6000+
$1.42608
12000+
$1.39775
24000+
$1.37768
48000+
$1.35817
96000+
$1.31912
USD $:
8,556.48
Min:6000  Mult:6000  
  • In Stock :12000
  • Ships in 1 bus. day
  • Additional inventory
    Factory Lead Time: 30 Weeks
NXP
  • Legend Information Icon RoHS 6 Compliant