HIN208EIBZ RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The HIN208EIBZ is a 4/4 full-duplex RS232 transceiver manufactured by Renesas Electronics Corporation in a 24-SOIC surface mount package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new designs. The HIN208EIBZ operates across the industrial temperature range of -40°C to 85°C with a maximum data rate of 230 kbps and supply voltage range of 4.5V to 5.5V. Substitute parts must maintain functional equivalence in transceiver topology, electrical performance, and mechanical compatibility.

Key Parameters

Parameter	HIN208EIBZ Specification
Manufacturer	Renesas Electronics Corporation
Type	Transceiver, Full-Duplex RS232
Drivers/Receivers	4/4
Data Rate	230 kbps
Supply Voltage	4.5V to 5.5V
Operating Temperature	-40°C to 85°C
Package	24-SOIC (0.295", 7.50mm Width)
Receiver Hysteresis	500 mV
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
MSL Rating	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution eligibility for the HIN208EIBZ is determined by the following critical parameters:

Mandatory Compatibility Criteria:

Transceiver type: Full-duplex RS232
Driver/receiver configuration: 4/4
Package: 24-SOIC (0.295", 7.50mm Width)
Supply voltage range: 4.5V to 5.5V
Mounting type: Surface Mount

Performance Considerations:

Data rate: 230 kbps (HIN208EIBZ specification)
Operating temperature range: -40°C to 85°C (HIN208EIBZ specification)
Receiver hysteresis: 500 mV (HIN208EIBZ specification)

Substitute parts are grouped into two categories based on performance alignment:

Category A - Full Performance Match (230 kbps, -40°C to 85°C): Parts meeting or exceeding the HIN208EIBZ data rate and temperature specifications. These parts provide direct functional replacement without performance degradation.

Category B - Reduced Performance (120 kbps, 0°C to 70°C): Parts with lower data rate or narrower temperature range. These parts maintain electrical and mechanical compatibility but operate within reduced performance envelopes. Selection requires application-level verification that reduced specifications are acceptable.

Parameter Comparison

Part Number	Manufacturer	Data Rate	Operating Temp	Receiver Hysteresis	Product Status	Packaging	Inventory
HIN208EIBZ	Renesas Electronics	230 kbps	-40°C to 85°C	500 mV	Obsolete	Tube	1475 Pcs
ADM208EARZ	Analog Devices Inc.	230 kbps	-40°C to 85°C	650 mV	Active	Tube	2476 Pcs
ADM208EARZ-REEL	Analog Devices Inc.	230 kbps	-40°C to 85°C	650 mV	Active	Cut Tape (CT) & Digi-Reel®	2200 Pcs
ADM208ARZ	Analog Devices Inc.	120 kbps	-40°C to 85°C	650 mV	Active	Tube	1940 Pcs
ADM208ARZ-REEL	Analog Devices Inc.	120 kbps	-40°C to 85°C	650 mV	Active	Reel	3400 Pcs
MAX208CWG+	Analog Devices Inc./Maxim Integrated	120 kbps	0°C to 70°C	500 mV	Active	Tube	1368 Pcs
MAX208CWG+T	Analog Devices Inc./Maxim Integrated	120 kbps	0°C to 70°C	500 mV	Active	Tape & Reel (TR)	6080 Pcs
MAX208ECWG+	Analog Devices Inc./Maxim Integrated	120 kbps	0°C to 70°C	500 mV	Active	Tube	3357 Pcs
MAX208ECWG+T	Analog Devices Inc./Maxim Integrated	120 kbps	0°C to 70°C	500 mV	Active	Cut Tape (CT) & Digi-Reel®	1900 Pcs
MAX208CDW	Texas Instruments	120 kbps	0°C to 70°C	500 mV	Obsolete	Not specified	702 Pcs
MAX208CDWR	Texas Instruments	120 kbps	0°C to 70°C	500 mV	Obsolete	Cut Tape (CT)	2400 Pcs

Engineering Selection Recommendations

Primary Substitutes (Full Performance Equivalence):

ADM208EARZ and ADM208EARZ-REEL are the preferred substitutes for the HIN208EIBZ. Both parts are manufactured by Analog Devices Inc. and maintain active product status. They match the critical operating temperature range (-40°C to 85°C) and data rate (230 kbps) of the original part. The receiver hysteresis specification of 650 mV is higher than the HIN208EIBZ (500 mV), which represents improved noise immunity and does not degrade system performance. Both parts are ROHS3 compliant and REACH unaffected. ADM208EARZ is supplied in tube packaging, while ADM208EARZ-REEL is supplied in cut tape and Digi-Reel format for automated assembly.

Secondary Substitutes (Reduced Performance):

ADM208ARZ and ADM208ARZ-REEL maintain the full industrial temperature range (-40°C to 85°C) but operate at a reduced data rate of 120 kbps. These parts are suitable for applications where the lower data rate is acceptable. Both are active products from Analog Devices Inc. with ROHS3 compliance.

MAX208CWG+, MAX208CWG+T, MAX208ECWG+, and MAX208ECWG+T are active products from Analog Devices Inc./Maxim Integrated. These parts operate at 120 kbps with a narrower temperature range (0°C to 70°C). Selection of these parts requires verification that the reduced operating temperature range is compatible with the application environment. All are ROHS3 compliant.

Obsolete Alternatives (Not Recommended):

MAX208CDW and MAX208CDWR are obsolete products from Texas Instruments. While mechanically and electrically compatible, their obsolete status makes them unsuitable for new designs or long-term system support.

Frequently Asked Questions (FAQ)

Q: Can the ADM208EARZ directly replace the HIN208EIBZ?

A: Yes. The ADM208EARZ is a direct functional replacement. Both parts are 4/4 full-duplex RS232 transceivers in 24-SOIC packages with identical supply voltage ranges (4.5V to 5.5V), operating temperature ranges (-40°C to 85°C), and data rates (230 kbps). The ADM208EARZ has an active product status, ensuring long-term availability.

Q: What is the difference between ADM208EARZ and ADM208ARZ?

A: The primary difference is data rate. ADM208EARZ operates at 230 kbps, matching the HIN208EIBZ specification. ADM208ARZ operates at 120 kbps. Both maintain the full industrial temperature range (-40°C to 85°C). Selection depends on whether the application requires the higher data rate.

Q: Why do some substitutes have a narrower operating temperature range?

A: The MAX208 series parts from Analog Devices Inc./Maxim Integrated operate over 0°C to 70°C, which is a commercial temperature range rather than the industrial range (-40°C to 85°C) of the HIN208EIBZ. These parts are suitable only for applications operating within the 0°C to 70°C envelope.

Q: What is the significance of receiver hysteresis differences?

A: The HIN208EIBZ specifies 500 mV receiver hysteresis, while ADM208 parts specify 650 mV. Higher hysteresis improves noise immunity by increasing the voltage difference required to switch receiver outputs. This difference does not degrade performance and is generally beneficial in noisy environments.

Q: Are packaging options interchangeable?

A: All substitute parts use the 24-SOIC package with identical physical dimensions (0.295", 7.50mm width). Packaging format differences (tube, tape & reel, cut tape) affect handling and assembly processes but not electrical or mechanical compatibility. Select the packaging format that matches your assembly process.

Q: What is the MSL rating difference between HIN208EIBZ and substitute parts?

A: The HIN208EIBZ has MSL 3 (168 hours), while most substitute parts have MSL 1 (unlimited). MSL 1 represents superior moisture resistance and is advantageous for storage and handling. This difference does not affect electrical performance.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, matching the compliance status of the HIN208EIBZ.

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