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TRS202ID RS232 Transceiver Equivalent & Substitute Parts
Part Overview
The TRS202ID is a 2/2 full-duplex RS232 transceiver in 16-SOIC surface mount packaging manufactured by Texas Instruments. This part is classified as obsolete, making substitute components necessary for new designs and ongoing production requirements. The TRS202ID operates within a 4.5V to 5.5V supply range with a 120 kbps data rate and 500 mV receiver hysteresis, serving as a standard interface component for RS232 serial communication applications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | TRS202ID |
| Manufacturer | Texas Instruments |
| Type | Transceiver |
| Protocol | RS232 |
| Number of Drivers/Receivers | 2/2 |
| Duplex | Full |
| Receiver Hysteresis | 500 mV |
| Data Rate | 120 kbps |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the TRS202ID is determined by strict adherence to the following electrical and mechanical parameters:
Critical Matching Parameters:
- Protocol: RS232
- Number of Drivers/Receivers: 2/2
- Duplex: Full
- Package / Case: 16-SOIC (0.154", 3.90mm Width)
- Voltage - Supply: 4.5V ~ 5.5V
- Mounting Type: Surface Mount
Allowable Variation Parameters:
- Receiver Hysteresis: 400 mV to 650 mV (within acceptable RS232 specification range)
- Data Rate: 120 kbps or higher (backward compatible)
- Operating Temperature: -40°C ~ 85°C or 0°C ~ 70°C (application-dependent)
- Product Status: Active or Obsolete (both acceptable for substitution)
- Packaging Format: Tube, Cut Tape (CT) & Digi-Reel®, or Digi-Reel® (mechanical variation only)
Substitute parts are grouped into three categories based on their relationship to the main part: MFR Recommended (manufacturer-endorsed alternatives), Parametric Equivalent (matching all critical parameters), and Direct Equivalent (identical electrical specifications with different packaging).
Parameter Comparison
| Part Number | Manufacturer | Product Status | Drivers/Receivers | Data Rate | Receiver Hysteresis | Operating Temp | Supply Voltage | Package |
|---|---|---|---|---|---|---|---|---|
| TRS202ID | Texas Instruments | Obsolete | 2/2 | 120 kbps | 500 mV | -40°C ~ 85°C | 4.5V ~ 5.5V | 16-SOIC |
| TRS202EIDR | Texas Instruments | Active | 2/2 | 120 kbps | 500 mV | -40°C ~ 85°C | 4.5V ~ 5.5V | 16-SOIC |
| MAX202ID | Texas Instruments | Obsolete | 2/2 | 120 kbps | 500 mV | -40°C ~ 85°C | 4.5V ~ 5.5V | 16-SOIC |
| TRS202EID | Texas Instruments | Obsolete | 2/2 | 120 kbps | 500 mV | -40°C ~ 85°C | 4.5V ~ 5.5V | 16-SOIC |
| MAX202EESE+T | Analog Devices Inc./Maxim Integrated | Active | 2/2 | 120 kbps | 500 mV | -40°C ~ 85°C | 4.5V ~ 5.5V | 16-SOIC |
| ADM202EARNZ | Analog Devices Inc. | Active | 2/2 | 230 kbps | 650 mV | -40°C ~ 85°C | 4.5V ~ 5.5V | 16-SOIC |
| ADM202EARNZ-REEL | Analog Devices Inc. | Active | 2/2 | 230 kbps | 650 mV | -40°C ~ 85°C | 4.5V ~ 5.5V | 16-SOIC |
| ADM202EARNZ-REEL7 | Analog Devices Inc. | Active | 2/2 | 230 kbps | 650 mV | -40°C ~ 85°C | 4.5V ~ 5.5V | 16-SOIC |
| ADM202JRNZ | Analog Devices Inc. | Active | 2/2 | — | 400 mV | 0°C ~ 70°C | 4.5V ~ 5.5V | 16-SOIC |
| ADM202JRNZ-REEL | Analog Devices Inc. | Active | 2/2 | — | 400 mV | 0°C ~ 70°C | 4.5V ~ 5.5V | 16-SOIC |
| ADM202JRNZ-REEL7 | Analog Devices Inc. | Active | 2/2 | — | 400 mV | 0°C ~ 70°C | 4.5V ~ 5.5V | 16-SOIC |
Engineering Selection Recommendations
Primary Recommendation: TRS202EIDR
The TRS202EIDR is the manufacturer-recommended substitute for the obsolete TRS202ID. This part maintains identical electrical specifications including 120 kbps data rate, 500 mV receiver hysteresis, and -40°C to 85°C operating temperature range. The TRS202EIDR carries Active product status with ROHS3 compliance and is available in Cut Tape and Digi-Reel packaging formats, ensuring supply chain continuity.
Secondary Recommendation: MAX202EESE+T
The MAX202EESE+T from Analog Devices Inc./Maxim Integrated is an active product offering parametric equivalence to the TRS202ID. This part matches all critical electrical parameters and maintains the same 16-SOIC package footprint. With 27,498 units in stock, this option provides superior availability for high-volume applications.
Alternative for Extended Temperature Range: ADM202EARNZ Series
The ADM202EARNZ, ADM202EARNZ-REEL, and ADM202EARNZ-REEL7 variants from Analog Devices Inc. provide enhanced performance with 230 kbps data rate capability and 650 mV receiver hysteresis. These parts maintain the -40°C to 85°C operating temperature range and are suitable for applications requiring higher data throughput. All variants carry Active product status.
Alternative for Commercial Temperature Range: ADM202JRNZ Series
The ADM202JRNZ, ADM202JRNZ-REEL, and ADM202JRNZ-REEL7 variants are restricted to 0°C to 70°C operating temperature and feature 400 mV receiver hysteresis. These parts are appropriate only for commercial-grade applications that do not require extended temperature operation.
Frequently Asked Questions (FAQ)
Q: Can I use TRS202EIDR as a direct replacement for TRS202ID?
A: Yes. The TRS202EIDR is the manufacturer-recommended substitute with identical electrical specifications. The only difference is product status (Active vs. Obsolete) and packaging format options. Pin configuration and functional behavior remain unchanged.
Q: What is the difference between ADM202EARNZ and ADM202JRNZ?
A: The ADM202EARNZ operates across -40°C to 85°C with 230 kbps data rate and 650 mV receiver hysteresis. The ADM202JRNZ operates across 0°C to 70°C with 400 mV receiver hysteresis. Select ADM202EARNZ for industrial and extended temperature applications; select ADM202JRNZ only for commercial-grade applications within the 0°C to 70°C range.
Q: Are the packaging variants (REEL, REEL7, Tube, Cut Tape) electrically equivalent?
A: Yes. Packaging variants such as ADM202EARNZ, ADM202EARNZ-REEL, and ADM202EARNZ-REEL7 are electrically identical. The suffix indicates only the mechanical packaging format for handling and assembly. Select based on your manufacturing process requirements.
Q: Can I substitute MAX202ID for TRS202ID?
A: Yes. The MAX202ID is a parametric equivalent with matching electrical specifications. However, MAX202ID is classified as Obsolete. For new designs, use the Active product TRS202EIDR or MAX202EESE+T instead.
Q: What does receiver hysteresis mean in RS232 transceiver selection?
A: Receiver hysteresis is the voltage difference between the rising and falling threshold levels of the input comparator. The TRS202ID specifies 500 mV hysteresis. Substitutes with 400 mV to 650 mV hysteresis remain compatible with RS232 specifications and maintain signal integrity in typical applications.
Q: Is the 16-SOIC package footprint identical across all substitute parts?
A: Yes. All listed substitute parts use the 16-SOIC (0.154", 3.90mm Width) package. PCB footprints and land patterns are mechanically compatible without modification.
Q: Which substitute offers the highest data rate capability?
A: The ADM202EARNZ series (including REEL and REEL7 variants) supports 230 kbps data rate, compared to 120 kbps for the TRS202ID. This enhanced capability is backward compatible with lower data rate applications.
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