Interface - I/O Expanders

Results: 597
Select Image Part # Mfr. Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Series Mounting Style Package/Case Interface Type Number of I/Os Interrupt Output Supply Voltage - Min Supply Voltage - Max Maximum Clock Frequency Minimum Operating Temperature Maximum Operating Temperature Qualification Packaging ESD Protection
Texas Instruments Interface - I/O Expanders Remt 16Bit I2C SMBus Lo-Pwr I/O Expndr
28,868On Order
Cut Tape
£1.50
£1.10
£1.00
£0.899
Reel
£0.738
Min.: 1
Mult.: 1
: 2,000
TCA9535 SMD/SMT TSSOP-24 I2C, Serial, SMBus 16 I/O With Interrupt 1.65 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
Texas Instruments Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan 101In Stock
4,000Expected 03/12/2026
Cut Tape
£1.56
£1.18
£1.08
£0.978
Reel
£0.871
Min.: 1
Mult.: 1
: 2,000
TCA9538 SMD/SMT SSOP-16 I2C, Serial 8 I/O With Interrupt 1.65 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
Texas Instruments Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan 1,066In Stock
2,000Expected 03/12/2026
Cut Tape
£1.13
£0.826
£0.748
£0.663
Reel
£0.555
Min.: 1
Mult.: 1
: 2,000
TCA9554A SMD/SMT SSOP-16 I2C, Serial, SMBus 8 I/O With Interrupt 1.65 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
Texas Instruments Interface - I/O Expanders Remote 8B I2C & SMBu s I/O Expander 283In Stock
10,000Expected 03/12/2026
Cut Tape
£0.986
£0.826
£0.748
£0.663
Reel
£0.555
Min.: 1
Mult.: 1
: 2,000
TCA9554A SMD/SMT TSSOP-16 I2C, Serial, SMBus 8 I/O With Interrupt 1.65 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
Texas Instruments Interface - I/O Expanders Remote 8-bit I2C SMB us I/O Expander 1,169In Stock
2,500Expected 21/12/2026
Cut Tape
£1.48
£1.09
£0.995
£0.882
Reel
£0.747
Min.: 1
Mult.: 1
: 2,500
TCA9554 SMD/SMT SSOP-16 I2C, Serial, SMBus 8 I/O With Interrupt 1.65 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
Texas Instruments Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9554DWR 18In Stock
500Expected 03/12/2026
Cut Tape
£1.89
£1.41
£1.28
£1.15
Reel
£1.09
Min.: 1
Mult.: 1
: 250
TCA9554 SMD/SMT SOIC-16 I2C, Serial, SMBus 8 I/O With Interrupt 1.65 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel


Diodes Incorporated Interface - I/O Expanders Interface IO Expander W-QFN4565-46 T&R 3.5K 75In Stock
17,500On Order
Cut Tape
£2.92
£2.19
£1.90
£1.81
Reel
£1.54
Min.: 1
Mult.: 1
: 3,500
PI4IOE5V6534Q SMD/SMT TQFN-46 I2C, Serial 28 I/O With Interrupt 1.65 V 5.5 V 100 kHz - 40 C + 105 C Reel, Cut Tape, MouseReel 2 kV
Diodes Incorporated Interface - I/O Expanders Interface IO Expander 699In Stock
84,000On Order
Cut Tape
£1.20
£0.882
£0.746
£0.705
Reel
£0.523
Min.: 1
Mult.: 1
Max.: 3,500
: 3,500
PIO4IO SMD/SMT TQFN-24 I2C, Serial 16 I/O With Interrupt 1.65 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV

Diodes Incorporated Interface - I/O Expanders Interface IO Expander MSOP-10 T&R 2.5K 1,878In Stock
Cut Tape
£0.698
£0.502
£0.453
£0.398
Reel
£0.398
Min.: 1
Mult.: 1
Max.: 170
: 2,500
SMD/SMT MSOP-10 Reel, Cut Tape

Diodes Incorporated Interface - I/O Expanders Interface IO Expander TSSOP-16 T&R 2.5K 1,807In Stock
Cut Tape
£0.943
£0.679
£0.595
£0.54
Reel
£0.465
Min.: 1
Mult.: 1
: 2,500
PIO4IO SMD/SMT TSSOP-16 Reel, Cut Tape, MouseReel
Diodes Incorporated Interface - I/O Expanders 16-bit I2C and SMBus low power I/O port 41In Stock
£1.09
£0.788
£0.679
£0.591
Min.: 1
Mult.: 1
PIO4IO SMD/SMT TSSOP-24 I2C, Serial, SMBus 16 I/O With Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 85 C Tube
Diodes Incorporated Interface - I/O Expanders 16-bit I2C and SMBus low power I/O port 842In Stock
3,000Expected 08/12/2027
Cut Tape
£1.09
£0.788
£0.69
£0.629
Reel
£0.501
Min.: 1
Mult.: 1
: 3,000
PIO4IO SMD/SMT TSSOP-24 I2C, Serial, SMBus 16 I/O With Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape

Diodes Incorporated Interface - I/O Expanders 8-bit I2C and SMBus IO Port 1,641In Stock
2,500Expected 20/10/2027
Cut Tape
£0.943
£0.679
£0.595
£0.54
Reel
£0.54
Min.: 1
Mult.: 1
Max.: 130
: 2,500
PIO4IO SMD/SMT TSSOP-16 I2C, Serial, SMBus 8 I/O With Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 4 kV

Diodes Incorporated Interface - I/O Expanders 8-bit I2C and SMBus IO Port 138In Stock
£1.01
£0.732
£0.651
£0.632
Min.: 1
Mult.: 1
PIO4IO SMD/SMT TSSOP-16 I2C, Serial, SMBus 8 I/O With Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 85 C Tube 4 kV

Diodes Incorporated Interface - I/O Expanders 8-bit I2C and SMBus IO Port 2,227In Stock
2,500Expected 16/04/2027
Cut Tape
£1.02
£0.734
£0.645
£0.588
£0.568
Reel
£0.568
Min.: 1
Mult.: 1
Max.: 460
: 2,500
PIO4IO SMD/SMT TSSOP-16 I2C, Serial, SMBus 8 I/O With Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape 4 kV
Diodes Incorporated Interface - I/O Expanders 16-bit I2C-bus and SMBus I/O port 1,503In Stock
7,000Expected 18/01/2027
Cut Tape
£1.24
£0.908
£0.773
£0.726
Reel
£0.726
Min.: 1
Mult.: 1
Max.: 620
: 3,500
PIO4IO SMD/SMT TQFN-24 I2C, Serial, SMBus 8 I/O With Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 4 kV
Nexperia Interface - I/O Expanders NCA9539PW/SOT355/TSSOP24 97In Stock
2,500Expected 11/01/2027
Cut Tape
£1.09
£0.796
£0.717
£0.636
Reel
£0.509
Min.: 1
Mult.: 1
: 2,500
SMD/SMT TSSOP-24 I2C, Serial, SMBus 16 I/O With Interrupt 1.65 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel
NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Interrupt, Low Voltage version of PCA9535 in TSSOP24 package 135In Stock
12,500On Order
Cut Tape
£1.57
£1.15
£1.05
£0.943
Reel
£0.818
Min.: 1
Mult.: 1
: 2,500
PCA9535A SMD/SMT TSSOP-24 I2C, Serial, SMBus 16 I/O With Interrupt 1.65 V 5.5 V 100 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in HVQFN16 package 103In Stock
24,000On Order
Cut Tape
£2.00
£1.52
£1.31
£1.18
Reel
£0.995
Min.: 1
Mult.: 1
: 6,000
PCA9538 SMD/SMT HVQFN-16 I2C, Serial, SMBus 8 I/O With Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP24 package 108In Stock
17,500On Order
Cut Tape
£2.02
£1.51
£1.37
£1.23
Reel
£0.995
Min.: 1
Mult.: 1
: 2,500
PCA9539 SMD/SMT TSSOP-24 I2C, Serial, SMBus 16 I/O With Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV

NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address than PCA9554C in HVQFN16 package 175In Stock
60,000On Order
Cut Tape
£1.27
£0.934
£0.849
£0.749
Reel
£0.615
Min.: 1
Mult.: 1
: 6,000
PCA9554B SMD/SMT HVQFN-16 I2C, Serial, SMBus 8 I/O With Interrupt 1.65 V 5.5 V 100 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel
NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Reset in TSSOP16 package 982In Stock
30,000Expected 17/11/2026
Cut Tape
£1.74
£1.30
£1.17
£1.07
Reel
£0.908
Min.: 1
Mult.: 1
: 2,500
PCA9557 SMD/SMT TSSOP-16 I2C, Serial, SMBus 8 I/O Without Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel
Texas Instruments Interface - I/O Expanders Mobile I/O Companion Key-Scan 158In Stock
Cut Tape
£3.81
£2.90
£2.77
£2.51
Reel
£2.24
Min.: 1
Mult.: 1
: 250
LM8333 SMD/SMT WQFN-32 I2C, Serial 4 I/O With Interrupt 2.25 V 2.9 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 8 kV

Renesas / Intersil Interface - I/O Expanders PERI PRG-I/O 5V 8MHZ 44PLCC COMEL 10In Stock
1,000Expected 02/02/2027
Cut Tape
£17.39
£14.48
£13.50
£12.43
Reel
£11.21
Min.: 1
Mult.: 1
: 500
82C55A SMD/SMT PLCC-44 Parallel 24 I/O With Interrupt 4.5 V 5.5 V 8 MHz 0 C + 70 C Reel, Cut Tape, MouseReel Without ESD Protection

Renesas / Intersil Interface - I/O Expanders PERI PRG-I/O 5V 8MHZ 44PLCC INDEL 461In Stock
Cut Tape
£31.99
£25.74
£24.19
£22.87
Reel
£21.48
Min.: 1
Mult.: 1
: 500
82C55A SMD/SMT PLCC-44 Parallel 24 I/O With Interrupt 4.5 V 5.5 V 8 MHz - 40 C + 85 C Reel, Cut Tape, MouseReel 1 kV