ISL4221EIR

Part No :: ISL4221EIR

Manufacturer: VIGOR

VIGOR # :: 3839516

Description: IC TRANSCEIVER FULL 1/1 16QFN

Catalog: Interface - Drivers, Receivers, Transceivers

DataSheet: ISL4221EIR PDF

Country of origin: -

Date code: -

ISL4221EIR Specifications

Type	Description
Series:	-
Package:	Tube
Part Status:	Obsolete
Type:	Transceiver
Protocol:	RS232
Number of Drivers/Receivers:	1/1
Duplex:	Full
Receiver Hysteresis:	500 mV
Data Rate:	250kbps
Voltage - Supply:	2.7V ~ 5.5V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	16-VQFN Exposed Pad
Supplier Device Package:	16-QFN-EP (5x5)

Alternative Products

Part Number	Manufacturer & Description	Compare
ICL3223EIVZ Match 100%	Intersil (Renesas Electronics America) IC TRANSCEIVER FULL 2/2 20TSSOP	ISL4221EIR vs ICL3223EIVZ
MAX3221IDB Match 100%	Texas Instruments IC TRANSCEIVER FULL 1/1 16SSOP	ISL4221EIR vs MAX3221IDB
ISL4238EIRZ-T Match 100%	VIGOR IC TRANSCEIVER FULL 5/3 32QFN	ISL4221EIR vs ISL4238EIRZ-T
MAX3244EAI+T Match 100%	Maxim Integrated IC TRANSCEIVER FULL 3/5 28SSOP	ISL4221EIR vs MAX3244EAI+T
MAX3221IPW Match 100%	Texas Instruments IC TRANSCEIVER FULL 1/1 16TSSOP	ISL4221EIR vs MAX3221IPW
ISL33357EIRZ-T7A Match 100%	Intersil (Renesas Electronics America) IC TRANSCEIVER FULL 3/3 40QFN	ISL4221EIR vs ISL33357EIRZ-T7A

Please confirm the specifications of the products when ordering.
MOQ means the minimum order quantity required to purchase each parts.
If you have special order instructions,please note it on the ordering pages.
The Pre-Shipment Inspection (PSI) will be applied.
You can email us to change the order details before shipment.
Orders cannot be canceled after shipping the packages.

TT in advance (bank transfer), Credit Card, PayPal can be chosen.
Cash transfer only. (Transfer with checks and bills are not accepted.)
Customer is responsible for paying all possible charges,including sales tax, VAT and customs charges,etc.
If you need the detailed invoice or tax ID,please email us.

FedEx, DHL, and UPS can be selected.
You can select whether to charge shipping fee by your shipping account or to charge by our side.
Please confirm with the logistics company in advance if you are in a remote area. (It may cost extra fees (35-50 USD) for delivery at those areas.)
The shopping cart will automatically calculate the shipping cost.
Delivery time: At the same day (Order deadline is 2pm, HK Time).
Delivery date: usually 2 to 7 working days.
It is unable to appoint a date of delivery.
Tracking number will be sent once your order has been shipped. (It may take up to 24 hours before carriers display the info.)

In Stock: 285

Shipped from

HK warehouse

Expected Shipping Date

Aug 07 - Aug 11 2026

Pricing(USD)

Quantity	Unit Price	Ext. Price
1	~~$3.3000~~	~~$3.30~~

Current price of ISL4221EIR is for reference only, if you want to get best price, please submit a inquiry or direct email to our sales team sales@Vigorcomp.com

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