ISO721DRAlternatives & Equivalent Parts
About ISO721DR
ISO721DR 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.
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Specification Comparison
| Parameter | ISO721DRSource | 24FC1026-I/SN | ISO721DRG4 | ISO721DUB | ISO721DUBR | ISO721DG4 |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Microchip | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline Packages | Small Outline Packages | Other | Other | Small Outline Packages |
| Pin Count | 8 | 8 | 8 | 8 | 8 | 8 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C |
| Price | $2.4400 | $0.8831 | $2.4055 | — | — | $3.1527 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | OBSOLETE | OBSOLETE | OBSOLETE | OBSOLETE |
| Electrical Parameters | ||||||
| Pbfree Code | Yes | — | — | — | — | Yes |
| YTEOL | 15 | 13 | 0 | 0 | 0 | 0 |
| Additional Feature | ALSO OPERATES FROM 4.5 TO 5.5 V SUPPLY | 1.8V TO 2.5V @ 0.4MHz | ALSO OPERATES FROM 4.5 TO 5.5 V SUPPLY | ALSO OPERATES WITH 5 V SUPPLY | ALSO OPERATES WITH 5 V SUPPLY | ALSO OPERATES FROM 4.5 TO 5.5 V SUPPLY |
| Interface IC Type | INTERFACE CIRCUIT | — | DIGITAL ISOLATOR | DIGITAL ISOLATOR | DIGITAL ISOLATOR | DIGITAL ISOLATOR |
| JESD-30 Code | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 |
| JESD-609 Code | e4 | e3 | e4 | e4 | e4 | e4 |
| Number of Channels | 1 | — | 1 | — | — | 1 |
| Number of Functions | 1 | 1 | 1 | 1 | 1 | 1 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Supply Voltage-Max | 5 V | — | 3.6 V | 3.6 V | 3.6 V | 5 V |
| Supply Voltage-Min | 3.3 V | — | 3 V | 3 V | 3 V | 3.3 V |
| Supply Voltage-Nom | 3.3 V | — | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Surface Mount | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | — | — | CMOS |
| Temperature Grade | AUTOMOTIVE | INDUSTRIAL | AUTOMOTIVE | AUTOMOTIVE | AUTOMOTIVE | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm | 1.27 mm | 2.54 mm | 2.54 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | 30 | 30 | 30 | 30 |
| ## ISO721DR Alternates Showing results | Image | — | — | — | — | — |
| Manufacturer Package Code | — | SOIC-8 | — | — | — | — |
| Factory Lead Time | — | 22 Weeks | — | — | — | — |
| Clock Frequency-Max (fCLK) | — | 1 MHz | — | — | — | — |
| Data Retention Time-Min | — | 200 | — | — | — | — |
| Endurance | — | 1000000 Write/Erase Cycles | — | — | — | — |
| I2C Control Byte | — | 1010DDMR | — | — | — | — |
| Memory Density | — | 1048576 bit | — | — | — | — |
| Memory IC Type | — | EEPROM | — | — | — | — |
| Memory Width | — | 8 | — | — | — | — |
| Number of Ports | — | 1 | — | — | — | — |
| Number of Words | — | 131072 words | — | — | — | — |
| Number of Words Code | — | 128000 | — | — | — | — |
| Operating Mode | — | SYNCHRONOUS | — | — | — | — |
| Organization | — | 128KX8 | — | — | — | — |
| Output Characteristics | — | OPEN-DRAIN | — | — | — | — |
| Package Equivalence Code | — | SOP8,.23 | — | — | — | — |
| Parallel/Serial | — | SERIAL | — | — | — | — |
| Programming Voltage | — | 5 V | — | — | — | — |
| Screening Level | — | TS 16949 | — | — | — | — |
| Serial Bus Type | — | I2C | — | — | — | — |
| Standby Current-Max | — | 0.000005 A | — | — | — | — |
| Supply Current-Max | — | 0.005 mA | — | — | — | — |
| Supply Voltage-Max (Vsup) | — | 5.5 V | — | — | — | — |
| Supply Voltage-Min (Vsup) | — | 2.5 V | — | — | — | — |
| Supply Voltage-Nom (Vsup) | — | 5 V | — | — | — | — |
| Write Cycle Time-Max (tWC) | — | 5 ms | — | — | — | — |
| Write Protection | — | HARDWARE | — | — | — | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 5 alternatives for ISO721DR — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for ISO721DR 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 ISO721DR 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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FAQ
What is equivalent to ISO721DR?
Known equivalents for ISO721DR include 24FC1026-I/SN, ISO721DRG4, ISO721DUB. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ISO721DR?
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 ISO721DR 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.