DS89C21TMAlternatives & Equivalent Parts
About DS89C21TM
DS89C21TM is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | DS89C21TMSource | DS89C21TM/NOPB |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline Packages |
| Pin Count | 8 | 8 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $1.2093 | $1.4250 |
| Electrical Parameters | ||
| YTEOL | 0 | 15 |
| Differential Output | YES | YES |
| Driver Number of Bits | 1 | 1 |
| High Level Input Current-Max | 0.00001 A | 0.00001 A |
| Input Characteristics | SCHMITT TRIGGER | SCHMITT TRIGGER |
| Interface IC Type | LINE TRANSCEIVER | LINE TRANSCEIVER |
| Interface Standard | V.11; EIA-422-A; TIA-422-A | V.11; EIA-422-A; TIA-422-A |
| JESD-30 Code | R-PDSO-G8 | R-PDSO-G8 |
| JESD-609 Code | e0 | e3 |
| Number of Functions | 1 | 1 |
| Out Swing-Min | 2 V | 2 V |
| Output Low Current-Max | 0.006 A | 0.006 A |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 | SOP8,.25 |
| Package Shape | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 235 | 260 |
| Qualification Status | Not Qualified | Not Qualified |
| Receive Delay-Max | 30 ns | 30 ns |
| Receiver Number of Bits | 1 | 1 |
| Supply Current-Max | 12 mA | 6 mA |
| Supply Voltage-Max | 5.5 V | 5.5 V |
| Supply Voltage-Min | 4.5 V | 4.5 V |
| Supply Voltage-Nom | 5 V | 5 V |
| Surface Mount | YES | YES |
| Technology | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | TIN LEAD | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 20 | 30 |
| Transmit Delay-Max | 10 ns | 10 ns |
| Pbfree Code | — | Yes |
| Output Characteristics | — | DIFFERENTIAL |
| Output Polarity | — | COMPLEMENTARY |
| Supply Voltage1-Max | — | 5.5 V |
| Supply Voltage1-Min | — | 4.5 V |
| Supply Voltage1-Nom | — | 5 V |
| ## DS89C21TM/NOPB Alternates Showing results | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Why Look for Alternatives?
Finding alternatives for DS89C21TM is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating DS89C21TM replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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Request Alternatives for DS89C21TMFAQ
What is equivalent to DS89C21TM?
Known equivalents for DS89C21TM include DS89C21TM/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of DS89C21TM?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify DS89C21TM alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.