Name: PCA9557D
Brand: Texas Instruments
SKU: PCA9557D
Availability: InStock
Rating: 5 (90 reviews)

PCA9557D

참조 용으로 만 사용

부품 번호	PCA9557D
제조업체	Texas Instruments
설명	IC I/O EXPANDER I2C 8B 16SOIC
데이터시트
패키지	16-SOIC (0.154", 3.90mm Width)
ECAD
재고	127,176 piece(s)
단가	Request a Quote
리드 타임	즉시 배송 가능
예상 배달 시간	11월 28 - 12월 3 (신속 배송 선택)
견적 요청

지불 방법
배달 서비스

우리는 세계 시장에서 경쟁력있는 가격에 대한 PCA9557D를 제공하고, 우리에게 가격에 대한 할당량 요청을 보내 주시기 바랍니다. 고맙습니다!
당신의 RFQ을 처리하기 위해, BOM에 수량 PCA9557D를 추가하십시오. Heisener.com는 PCA9557D의 견적을 요청하는 모든 등록이 필요하지 않습니다.

PCA9557D사양

제조업체	Texas Instruments
범주	집적 회로(IC) - 인터페이스 - 입/출력 확장기
패키지	16-SOIC (0.154", 3.90mm Width)
ECAD
계열	-
I / O 수	8
인터페이스	I2C, SMBus
인터럽트 출력	No
풍모	POR
출력 유형	Open Drain, Push-Pull
전류 - 출력 소스 / 싱크	10mA, 25mA
클럭 주파수	400kHz
전압 - 공급	2.3 V ~ 5.5 V
작동 온도	-40°C ~ 85°C
실장 형	Surface Mount
패키지 / 케이스	16-SOIC (0.154", 3.90mm Width)
공급 업체 장치 패키지	16-SOIC

PCA9557D Packaging

PCA9557D FAQ

1. How to order PCA9557D on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that PCA9557D is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the PCA9557D. All suppliers must pass our qualification reviews before they can publish their products including PCA9557D on Heisener; we pay more attention to the channels and quality of PCA9557D products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the PCA9557D price and inventory displayed accurate?

The price and inventory of PCA9557D fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of PCA9557D?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the PCA9557D we delivered, we will accept the replacement or return of the PCA9557D only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of PCA9557D.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as PCA9557D pin diagram, PCA9557D datasheet?

If you need any after-sales service, please do not hesitate to contact us.

PCA9557D관련 제품

5510607F	Dialight, LED 3MM 5V GREEN, -, -	전망
B57867S0103H140	EPCOS (TDK), NTC THERMISTOR 10K OHM 3% BEAD, Bead, -	전망
RG3216V-6980-B-T1	Susumu, RES SMD 698 OHM 0.1% 1/4W 1206, 1206 (3216 Metric), -	전망
9T12062A5363FBHFT	Yageo, RES SMD 536K OHM 1% 1/8W 1206, 1206 (3216 Metric), -	전망
RNCF0805DTC4K30	Stackpole Electronics Inc., RES SMD 4.3K OHM 0.5% 1/8W 0805, 0805 (2012 Metric), -	전망
RG1608P-6042-B-T5	Susumu, RES SMD 60.4KOHM 0.1% 1/10W 0603, 0603 (1608 Metric), -	전망
THS25150RJ	TE Connectivity Passive Product, RES CHAS MNT 150 OHM 5% 25W, Axial, Box, -	전망
L77DEG09SOL2RM5	Amphenol Commercial Products, CONN D-SUB RCPT 9POS VERT SOLDER, -, -	전망
CTV06RW-11-5HE	Amphenol Aerospace Operations, CONN PLUG MALE 5POS GOLD CRIMP, -, -	전망
TV06RL-9-35HA-LC	Amphenol Aerospace Operations, CONN PLUG HSG MALE 6POS INLINE, -, -	전망
GBM25DCSD-S288	Sullins Connector Solutions, CONN EDGE DUAL FMALE 50POS 0.156, -, -	전망
XC9282B2HE1R-G	Torex Semiconductor Ltd, HISAT-COT CONTROL EXTREMELY SMAL, 6-XFLGA, -	전망

PCA9557D 보증

서비스 보증

우리는 100 % 고객 만족을 보장합니다.

경험 많은 영업 팀과 기술 지원 팀이 모든 고객을 만족시키기 위해 서비스를 지원합니다.

품질 보증

우리는 90 일 보증을 제공합니다.

수령 한 품목의 품질이 완벽하지 않은 경우 당사는 환불 또는 교체에 대한 책임을지며 품목은 원래 상태로 반환해야합니다.

글로벌 공급망-신뢰할 수 있고 공인 된 유통 업체 리소스

부품 번호	제조업체	설명	재고
PCA9557DT D# V72:2272_07309399	Texas Instruments	I2C/SMBus Interface 400kHz 5.5V 16-Pin SOIC T/R RoHS: Compliant	0
PCA9557DBR D# V36:1790_07309396	Texas Instruments	I2C/SMBus Interface 400kHz 5.5V 16-Pin SSOP T/R RoHS: Compliant	0
PCA9557D,112 D# V36:1790_06535772	NXP Semiconductors	I2C/SMBus Interface 100kHz/400kHz 5.5V 16-Pin SO Bulk RoHS: Compliant	0
PCA9557D,118 D# V72:2272_06535773	NXP Semiconductors	I2C/SMBus Interface 100kHz/400kHz 5.5V 16-Pin SO T/R RoHS: Compliant	0
PCA9557D D# V36:1790_07309394	Texas Instruments	I2C/SMBus Interface 400kHz 5.5V 16-Pin SOIC Tube RoHS: Compliant	0
PCA9557DGVR D# V36:1790_07309397	Texas Instruments	I2C/SMBus Interface 400kHz 5.5V 16-Pin TVSOP T/R RoHS: Compliant	0
PCA9557DB D# V36:1790_07309395	Texas Instruments	I2C/SMBus Interface 400kHz 5.5V 16-Pin SSOP Tube RoHS: Compliant	0
PCA9557DR D# V72:2272_07309398	Texas Instruments	I2C/SMBus Interface 400kHz 5.5V 16-Pin SOIC T/R RoHS: Compliant	0

부품 번호

제조업체

설명

재고

PCA9557D112

D# PCA9557D112

NXP Semiconductors

I2C and SMBus I/O Port 16-Pin SO Tube - Bulk (Alt: PCA9557D112)

PCA9557D118

D# 52AH1111

NXP Semiconductors

I2C and SMBus I/O Port 16-Pin SO T/R - Product that comes on tape, but is not reeled (Alt: 52AH1111)

RoHS: Compliant

부품 번호

제조업체

설명

재고

PCA9557D118

D# PCA9557D,118

NXP Semiconductors

I2C and SMBus I/O Port 16-Pin SO T/R (Alt: PCA9557D,118)

부품 번호

제조업체

설명

재고

PCA9557D112

D# PCA9557D,112

NXP Semiconductors

I2C and SMBus I/O Port 16-Pin SO Tube (Alt: PCA9557D,112)

PCA9557D118

D# PCA9557D,118

NXP Semiconductors

I2C and SMBus I/O Port 16-Pin SO T/R (Alt: PCA9557D,118)

부품 번호

제조업체

설명

재고

PCA9557D

Philips Semiconductors

PCA9557D,112

NXP Semiconductors

부품 번호	제조업체	설명	재고
PCA9557DG4	Texas Instruments	I2C Logic Interface Device ICs, Leaded Process Compatible:Yes, No. of Pins:16, Operating Temperature Range:-40C to +85C, Package/Case:16-SOIC, Peak Reflow Compatible (260 C):Yes, Supply Voltage Max:5.5V, Supply Voltage Min:2.3V , RoHS Compliant: Yes	0
PCA9557DBR	Texas Instruments	I2C Logic Interface Device ICs, Leaded Process Compatible:Yes, No. of Pins:16, Operating Temperature Range:-40C to +85C, Package/Case:16-SSOP, Peak Reflow Compatible (260 C):Yes, Supply Voltage Max:5.5V, Supply Voltage Min:2.3V , RoHS Compliant: Yes	0
PCA9557DGVR	Texas Instruments	IC I/O EXPANDER I2C 8B 16TVSOP	0
PCA9557DGVRG4G4	Texas Instruments	I2C Logic Interface Device ICs, Leaded Process Compatible:Yes, No. of Pins:16, Operating Temperature Range:-40C to +85C, Package/Case:16-TVSOP, Peak Reflow Compatible (260 C):Yes, Supply Voltage Max:5.5V, Supply Voltage Min:2.3V , RoHS Compliant: Yes	0
PCA9557DBRG4	Texas Instruments	I2C Logic Interface Device ICs, Leaded Process Compatible:Yes, No. of Pins:16, Operating Temperature Range:-40C to +85C, Package/Case:16-SSOP, Peak Reflow Compatible (260 C):Yes, Supply Voltage Max:5.5V, Supply Voltage Min:2.3V , RoHS Compliant: Yes	0
PCA9557DRG4	Texas Instruments	I2C Logic Interface Device ICs, Leaded Process Compatible:Yes, No. of Pins:16, Operating Temperature Range:-40C to +85C, Package/Case:16-SOIC, Peak Reflow Compatible (260 C):Yes, Supply Voltage Max:5.5V, Supply Voltage Min:2.3V , RoHS Compliant: Yes	0
PCA9557DBG4	Texas Instruments	I2C Logic Interface Device ICs, Leaded Process Compatible:Yes, No. of Pins:16, Operating Temperature Range:-40C to +85C, Package/Case:16-SSOP, Peak Reflow Compatible (260 C):Yes, Supply Voltage Max:5.5V, Supply Voltage Min:2.3V , RoHS Compliant: Yes	0
PCA9557DB	Texas Instruments	I2C Logic Interface Device ICs, Leaded Process Compatible:Yes, No. of Pins:16, Operating Temperature Range:-40C to +85C, Package/Case:16-SSOP, Peak Reflow Compatible (260 C):Yes, Supply Voltage Max:5.5V, Supply Voltage Min:2.3V , RoHS Compliant: Yes	0
PCA9557DT	NXP Semiconductors	Min Qty 2500	0
PCA9557DR	Texas Instruments	I2C Logic Interface Device ICs, Leaded Process Compatible:Yes, No. of Pins:16, Operating Temperature Range:-40C to +85C, Package/Case:16-SOIC, Peak Reflow Compatible (260 C):Yes, Supply Voltage Max:5.5V, Supply Voltage Min:2.3V , RoHS Compliant: Yes	0
PCA9557D	NXP Semiconductors	IC, IO PORT, I2C/SMBUS, 8BIT, 16SOIC, Chip Configuration:8bit, Bus Frequency:400kHz, IC Interface Type:I2C, SMBus, Supply Voltage Min:2.3V, Supply Voltage Max:5.5V, Interface Case Style:SOIC, No. of Pins:16, No. of I/O's:8, , RoHS Compliant: Yes	1475

부품 번호

제조업체

설명

재고

PCA9557D

D# C1S746203915872

Texas Instruments

I2C/SMBus GPIO Expander 400kHz 5.5V 16-Pin SOIC Tube

RoHS: Compliant

pbFree: Yes

Min Qty: 1

Container: Tube

부품 번호

제조업체

설명

재고

PCA9557D

NXP Semiconductors

RoHS: Compliant

부품 번호	제조업체	설명	재고
PCA9557DR D# 296-20977-1-ND	Texas Instruments	IC I/O EXPANDER I2C 8B 16SOIC	1299
PCA9557D D# 296-33521-5-ND	Texas Instruments	IC I/O EXPANDER I2C 8B 16SOIC	555
PCA9557DT D# 296-47816-1-ND	Texas Instruments	IC I/O EXPANDER I2C 8B 16SOIC	637
PCA9557DBR D# 296-20975-1-ND	Texas Instruments	IC I/O EXPANDER I2C 8B 16SSOP	1287
PCA9557D112 D# 2156-PCA9557D112-ND	Rochester Electronics LLC	IC I/O EXPANDER I2C 8B 16SOIC	520
PCA9557D,112 D# 568-1060-5-ND	NXP Semiconductors	IC I/O EXPANDER I2C 8B 16SOIC	0
PCA9557DB D# 296-33522-5-ND	Texas Instruments	IC I/O EXPANDER I2C 8B 16SSOP	560
PCA9557D,118 D# 568-PCA9557D118CT-ND	NXP Semiconductors	IC I/O EXPANDER I2C 8B 16SOIC	4963
PCA9557DGVR D# 2156-PCA9557DGVR-ND	Rochester Electronics LLC	PCA9557 REMOTE 8-BIT I2C AND SMB	143595

부품 번호

제조업체

설명

재고

PCA9557DB

NXP Semiconductors

In stock shipping within 2days

1404

PCA9557DR

Texas Instruments

In stock shipping within 2days

267

부품 번호

제조업체

설명

재고

PCA9557D,112

D# 2212102

NXP Semiconductors

IC, IO PORT, I2C/SMBUS, 8BIT, 16SOIC

RoHS: Compliant

Min Qty: 1

Container: Each

PCA9557D,118

D# 2890479

NXP Semiconductors

I/O EXPANDER, 8BIT, 400KHZ, SOIC-16

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

2959

부품 번호

제조업체

설명

재고

PCA9557D,118

NXP Semiconductors

Stock

2475

부품 번호

제조업체

설명

재고

PCA9557D,118

NXP Semiconductors

BU 510 - SECURITY & CONNECTIVITY

RoHS: Compliant

pbFree: Yes

부품 번호	제조업체	설명	재고
PCA9557DT	Philips Semiconductors	OEM/CM QUOTES ONLY \| NO BROKERS	689
PCA9557DB	Texas Instruments	OEM/CM QUOTES ONLY \| NO BROKERS	55
PCA9557D		OEM/CM QUOTES ONLY \| NO BROKERS	6000
PCA9557DBR	Texas Instruments	OEM/CM QUOTES ONLY \| NO BROKERS	169
PCA9557D118	NXP Semiconductors	OEM/CM QUOTES ONLY \| NO BROKERS	3000
PCA9557D112	NXP SEMICONDUCTORS	OEM/CM QUOTES ONLY \| NO BROKERS	2712

부품 번호	제조업체	설명	재고
PCA9557DBRG4	Texas Instruments	OEM/CM ONLY	872
PCA9557DBPD557	Texas Instruments	OEM/CM ONLY	200
PCA9557DGVR	Texas Instruments	OEM/CM ONLY	138
PCA9557DGVRG4G4	Texas Instruments	OEM/CM ONLY	281
PCA9557DB	Texas Instruments	OEM/CM ONLY	637
PCA9557DGVRG4	Texas Instruments	OEM/CM ONLY	255
PCA9557DTG4	Texas Instruments	OEM/CM ONLY	274
PCA9557DRG4	Texas Instruments	OEM/CM ONLY	179
PCA9557DBG4	Texas Instruments	OEM/CM ONLY	978
PCA9557DR	Texas Instruments	OEM/CM ONLY	371
PCA9557D900	Texas Instruments	OEM/CM ONLY	5800
PCA9557D112	NXP Semiconductors	OEM/CM ONLY	476
PCA9557DT	NXP Semiconductors	OEM/CM ONLY	281
PCA9557DBR	Texas Instruments	OEM/CM ONLY	843
PCA9557D118	NXP Semiconductors	OEM/CM ONLY	19805
PCA9557DG4	Texas Instruments	OEM/CM ONLY	588
PCA9557D	NXP Semiconductors	OEM/CM ONLY	1400

부품 번호

제조업체

설명

재고

PCA9557D

NXP Semiconductors

in stock - can ship the same day

부품 번호

제조업체

설명

재고

PCA9557D

Texas Instruments

OEM/CM Immediate delivery

1420

부품 번호	제조업체	설명	재고
PCA9557DBR D# 595-PCA9557DBR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBus Lo-Pwr I/O Exp RoHS: Compliant	1161
PCA9557DT D# 595-PCA9557DT	Texas Instruments	Interface - I/O Expanders Rem 8B I2C & SMBus Lo-Pwr I/O Expander RoHS: Compliant	1209
PCA9557D,118 D# 771-PCA9557D118	NXP Semiconductors	Interface - I/O Expanders 8-BIT I2C FM TP GPIO RoHS: Compliant	4710
PCA9557D D# 595-PCA9557D	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBus I/O Expander RoHS: Compliant	343
PCA9557DGVR D# 595-PCA9557DGVR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBus Lo-Pwr I/O Exp RoHS: Compliant	1309
PCA9557DR D# 595-PCA9557DR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBus Lo-Pwr I/O Exp RoHS: Compliant	2944

부품 번호

제조업체

설명

재고

PCA9557D,118

D# 52AH1111

NXP Semiconductors

I/O EXPANDER, 8 I/O, SOIC-16, Chip Configuration:8bit, Bus Frequency:400kHz, IC Interface Type:I2C, SMBus, Supply Voltage Min:2.3V, Supply Voltage Max:5.5V, Interface Case Style:SOIC, No. of Pins:16Pins, No. of I/O s:8I/O s RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

120

부품 번호	제조업체	설명	재고
PCA9557DGVR D# NS-PCA9557DGVR	Texas Instruments	OEM/CM ONLY	4315
PCA9557DGVRG4G4 D# NS-PCA9557DGVRG4G4	Texas Instruments	OEM/CM ONLY	4974
PCA9557D D# NS-PCA9557D	Texas Instruments	OEM/CM ONLY	2872
PCA9557DBRG4 D# NS-PCA9557DBRG4	Texas Instruments	OEM/CM ONLY	7638
PCA9557DTG4 D# NS-PCA9557DTG4	Texas Instruments	OEM/CM ONLY	5877
PCA9557DRG4 D# NS-PCA9557DRG4	Texas Instruments	OEM/CM ONLY	5772
PCA9557D-T D# NS-PCA9557D-T	PH2	OEM/CM ONLY	7444
PCA9557DB D# NS-PCA9557DB	Texas Instruments	OEM/CM ONLY	2706
PCA9557DR D# NS-PCA9557DR	Texas Instruments	OEM/CM ONLY	6138
PCA9557DBG4 D# NS-PCA9557DBG4	Texas Instruments	OEM/CM ONLY	3653
PCA9557DT D# NS-PCA9557DT	Texas Instruments	OEM/CM ONLY	9885
PCA9557DG4 D# NS-PCA9557DG4	Texas Instruments	OEM/CM ONLY	9678
PCA9557D-118 D# NS-PCA9557D-118	NXP Semiconductors	OEM/CM ONLY	1055
PCA9557DBR D# NS-PCA9557DBR	Texas Instruments	OEM/CM ONLY	7746

부품 번호	제조업체	설명	재고
PCA9557D,118	NXP Semiconductors		420
PCA9557D-T	NXP Semiconductors		387
PCA9557D	NXP Semiconductors	8 I/O, PIA-GENERAL PURPOSE, PDSO16	1238

부품 번호

제조업체

설명

재고

PCA9557D

D# 8253274

Texas Instruments

Texas Instruments 8-Channel I/O Expander I2C, SMBus 16-Pin SOIC, PCA9557D, PK

Min Qty: 5

Container: Package

부품 번호	제조업체	설명	재고
PCA9557DR	Texas Instruments	PCA9557 Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers RoHS: Compliant	1280
PCA9557DT	Texas Instruments	PCA9557 Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers RoHS: Compliant	250
PCA9557DBR	Texas Instruments	PCA9557 Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers RoHS: Compliant	59544
PCA9557D112	NXP Semiconductors	IC I/O EXPANDER I2C 8B 16SOIC RoHS: Compliant	520
PCA9557DB	Texas Instruments	PCA9557 Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers RoHS: Compliant	28189
PCA9557D,118	NXP Semiconductors	Parallel I/O Port, 8-Bit, 8 I/O, CMOS, PDSO16 RoHS: Compliant	330
PCA9557DGVR	Texas Instruments	PCA9557 Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers RoHS: Compliant	143595
PCA9557D	Texas Instruments	PCA9557 Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers RoHS: Compliant	36690

부품 번호	제조업체	설명	재고
PCA9557DT	Texas Instruments	OEM/CM ONLY	1074
PCA9557D	Texas Instruments	OEM/CM ONLY	5702
PCA9557D.112	NXP Semiconductors	OEM/CM ONLY	2276
PCA9557DB	Texas Instruments	OEM/CM ONLY	96
PCA9557D+118	NXP Semiconductors	OEM/CM ONLY	3173

부품 번호

제조업체

설명

재고

PCA9557D

Texas Instruments

IN stock Immediate delivery

1435

부품 번호	제조업체	설명	재고
PCA9557DR	Texas Instruments	8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with reset & config registers	3
PCA9557DBR	Texas Instruments	8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with reset & config registers	18
PCA9557DT	Texas Instruments	8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with reset & config registers	250
PCA9557DGVR	Texas Instruments	8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with reset & config registers	21
PCA9557D	Texas Instruments	8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with reset & config registers	484

부품 번호	제조업체	설명	재고
PCA9557DBRG4	Texas Instruments	shipping today	1046
PCA9557D	Texas Instruments	shipping today	1425
PCA9557DB	Texas Instruments	shipping today	16
PCA9557DGVRG4G4	Texas Instruments	shipping today	20
PCA9557DR	Texas Instruments	shipping today	6009
PCA9557DBR	Texas Instruments	shipping today	6

부품 번호	제조업체	설명	재고
PCA9557DT D# 31665193	Texas Instruments	I2C/SMBus Interface 400kHz 5.5V 16-Pin SOIC T/R RoHS: Compliant	0
PCA9557D,112 D# 25666271	NXP Semiconductors	I2C/SMBus Interface 100kHz/400kHz 5.5V 16-Pin SO Bulk RoHS: Compliant	0
PCA9557DR D# 33609177	Texas Instruments	I2C/SMBus Interface 400kHz 5.5V 16-Pin SOIC T/R RoHS: Compliant	0

부품 번호	제조업체	설명	재고
PCA9557DBR	Texas Instruments	RFQ	12203
PCA9557DGVRG4	Texas Instruments	RFQ	12966
PCA9557D		RFQ	1018
PCA9557DB	U/K	RFQ	12522
PCA9557DR	Texas Instruments	RFQ	11808

부품 번호	제조업체	설명	재고
PCA9557D	NXP Semiconductors	8-bit I2C and SMBus I/0 port with reset	10500
PCA9557DR	Texas Instruments	IC I/O EXPANDER I2C 8B 16SOIC	870
PCA9557DT	Texas Instruments	IC I/O EXPANDER I2C 8B 16SOIC	960