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HIN208EIB RS232 Transceiver Equivalent & Substitute Parts
Part Overview
The HIN208EIB 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 design support and procurement. The HIN208EIB operates across a supply voltage range of 4.5V to 5.5V with a maximum data rate of 230kbps and receiver hysteresis of 500mV, suitable for legacy RS232 communication applications requiring full transceiver functionality.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | HIN208EIB |
| Manufacturer | Renesas Electronics Corporation |
| Type | Transceiver |
| Protocol | RS232 |
| Number of Drivers/Receivers | 4/4 |
| Duplex | Full |
| Data Rate | 230kbps |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 24-SOIC (0.295", 7.50mm Width) |
| Mounting Type | Surface Mount |
| Receiver Hysteresis | 500mV |
| Product Status | Obsolete |
| RoHS Status | RoHS non-compliant |
Substitute Part Grouping Explanation
Substitution for the HIN208EIB is determined by strict adherence to the following electrical and mechanical parameters:
Primary Substitution Criteria:
- Protocol: RS232
- Number of Drivers/Receivers: 4/4
- Duplex: Full
- Package / Case: 24-SOIC (0.295", 7.50mm Width)
- Mounting Type: Surface Mount
- Voltage - Supply: 4.5V ~ 5.5V
- Operating Temperature Range: Must support -40°C ~ 85°C
Secondary Compatibility Parameters:
- Data Rate: 230kbps or higher
- Receiver Hysteresis: 500mV or higher
Substitute parts are grouped into two categories: parametric equivalents (identical specifications with different packaging) and similar parts (matching core electrical and mechanical parameters with minor variations in data rate or hysteresis).
Parameter Comparison
| Part Number | Manufacturer | Protocol | Drivers/Receivers | Data Rate | Receiver Hysteresis | Supply Voltage | Operating Temp | Package | Product Status | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|---|
| HIN208EIB | Renesas | RS232 | 4/4 | 230kbps | 500mV | 4.5V ~ 5.5V | -40°C ~ 85°C | 24-SOIC | Obsolete | Non-compliant |
| HIN208EIBZ | Renesas | RS232 | 4/4 | 230kbps | 500mV | 4.5V ~ 5.5V | -40°C ~ 85°C | 24-SOIC | Obsolete | ROHS3 Compliant |
| ADM208ARZ | Analog Devices | RS232 | 4/4 | 120Kbps | 650mV | 4.5V ~ 5.5V | -40°C ~ 85°C | 24-SOIC | Active | ROHS3 Compliant |
| ADM208ARZ-REEL | Analog Devices | RS232 | 4/4 | 120Kbps | 650mV | 4.5V ~ 5.5V | -40°C ~ 85°C | 24-SOIC | Active | ROHS3 Compliant |
| ADM208EARZ | Analog Devices | RS232 | 4/4 | 230kbps | 650mV | 4.5V ~ 5.5V | -40°C ~ 85°C | 24-SOIC | Active | ROHS3 Compliant |
| ADM208EARZ-REEL | Analog Devices | RS232 | 4/4 | 230kbps | 650mV | 4.5V ~ 5.5V | -40°C ~ 85°C | 24-SOIC | Active | ROHS3 Compliant |
| MAX208CDW | Texas Instruments | RS232 | 4/4 | 120Kbps | 500mV | 4.5V ~ 5.5V | 0°C ~ 70°C | 24-SOIC | Obsolete | ROHS3 Compliant |
| MAX208CDWR | Texas Instruments | RS232 | 4/4 | 120Kbps | 500mV | 4.5V ~ 5.5V | 0°C ~ 70°C | 24-SOIC | Obsolete | ROHS3 Compliant |
| MAX208CWG+ | Analog Devices/Maxim | RS232 | 4/4 | 120Kbps | 500mV | 4.5V ~ 5.5V | 0°C ~ 70°C | 24-SOIC | Active | ROHS3 Compliant |
| MAX208CWG+T | Analog Devices/Maxim | RS232 | 4/4 | 120Kbps | 500mV | 4.5V ~ 5.5V | 0°C ~ 70°C | 24-SOIC | Active | ROHS3 Compliant |
| MAX208ECWG+ | Analog Devices/Maxim | RS232 | 4/4 | 120Kbps | 500mV | 4.5V ~ 5.5V | 0°C ~ 70°C | 24-SOIC | Active | ROHS3 Compliant |
Engineering Selection Recommendations
Parametric Equivalent (Preferred for Direct Replacement): HIN208EIBZ is the parametric equivalent of HIN208EIB with identical electrical specifications and 24-SOIC packaging. The primary difference is RoHS3 compliance status. HIN208EIBZ is active in production and maintains the same 230kbps data rate and -40°C to 85°C operating temperature range.
Active Substitutes with Full Data Rate Compatibility: ADM208EARZ and ADM208EARZ-REEL (Analog Devices) match the 230kbps data rate and full operating temperature range of the HIN208EIB. Both are active products with RoHS3 compliance. The receiver hysteresis is 650mV versus 500mV on the original part, which is acceptable for RS232 applications. Packaging options include tube and cut tape with Digi-Reel.
Active Substitutes with Reduced Data Rate: ADM208ARZ and ADM208ARZ-REEL operate at 120Kbps, which is lower than the HIN208EIB specification of 230kbps. These are suitable only for applications not requiring the full 230kbps bandwidth. Both are active products with RoHS3 compliance and support the full -40°C to 85°C temperature range.
Temperature-Limited Substitutes: MAX208CWG+, MAX208CWG+T, and MAX208ECWG+ (Analog Devices/Maxim) are active products with RoHS3 compliance but operate only across 0°C to 70°C. These are not suitable for applications requiring the full -40°C to 85°C range of the HIN208EIB. Data rate is limited to 120Kbps.
Obsolete Alternatives: MAX208CDW and MAX208CDWR (Texas Instruments) are obsolete products with 120Kbps data rate and 0°C to 70°C operating range. These are not recommended for new designs.
Frequently Asked Questions (FAQ)
Q: Can ADM208EARZ directly replace HIN208EIB? A: ADM208EARZ is functionally compatible. It maintains the 4/4 full-duplex RS232 configuration, 24-SOIC package, 4.5V to 5.5V supply range, and -40°C to 85°C operating temperature. The data rate matches at 230kbps. The receiver hysteresis is 650mV versus 500mV, which is acceptable for RS232 signaling. ADM208EARZ is an active product with RoHS3 compliance.
Q: Why do some substitutes have lower data rates? A: ADM208ARZ and MAX208 variants are specified at 120Kbps maximum data rate, which is lower than the HIN208EIB's 230kbps specification. These parts are suitable only for applications operating below 120Kbps. For applications requiring 230kbps operation, ADM208EARZ or HIN208EIBZ are required.
Q: What is the difference between ADM208ARZ and ADM208ARZ-REEL? A: Both parts are electrically identical. The difference is packaging: ADM208ARZ is supplied in tube packaging, while ADM208ARZ-REEL is supplied in cut tape with Digi-Reel format for automated assembly. Selection depends on manufacturing process requirements.
Q: Are MAX208 parts suitable replacements? A: MAX208 variants (MAX208CWG+, MAX208CWG+T, MAX208ECWG+) are not suitable for applications requiring the full -40°C to 85°C operating range of the HIN208EIB, as they are limited to 0°C to 70°C. Additionally, they operate at 120Kbps maximum. Use only if your application operates within 0°C to 70°C and does not exceed 120Kbps data rate.
Q: Is HIN208EIBZ a direct equivalent? A: Yes. HIN208EIBZ is the parametric equivalent of HIN208EIB with identical electrical specifications, 24-SOIC package, and operating range. The primary advantage is RoHS3 compliance. HIN208EIBZ is the preferred choice for direct replacement when available.
Q: What does receiver hysteresis affect? A: Receiver hysteresis determines the voltage difference between the rising and falling threshold levels of the RS232 input. The HIN208EIB specifies 500mV hysteresis. Substitutes with 650mV hysteresis (ADM208 series) provide greater noise immunity and are compatible with RS232 applications.
Q: Can I use obsolete parts like MAX208CDW? A: MAX208CDW and MAX208CDWR are obsolete products. While they may be available from inventory, they are not recommended for new designs. Active alternatives such as ADM208EARZ or HIN208EIBZ should be prioritized for long-term supply assurance.
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