DS2433+ vs DS28EC20+ Comparison
Detailed side-by-side comparison of DS2433+ by Analog Devices and DS28EC20+ by Analog Devices. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | DS2433+ | DS28EC20+ |
|---|---|---|
| Brand | Analog Devices | Analog Devices |
| Category | Memory ICs | EEPROM |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.92 | $2.05 |
| Memory Type | EEPROM (Non-Volatile) | Non-Volatile EEPROM (1-Wire) |
| Memory Size | 4 Kbit (512 bytes) | 20 Kbit (20480 bit) |
| Organization | 16 pages × 256 bits (32 bytes/page) | — |
| Interface | 1-Wire (Maxim proprietary, single data/power line) | 1-Wire (single-contact serial) |
| Family Code | 0x23 | — |
| Unique Serial Number | 48-bit factory-lasered | — |
| ROM Registration Length | 64 bits (8-bit CRC + 48-bit serial + 8-bit family) | — |
| Parasitic Power | Yes (power derived from 1-Wire line) | — |
| External Supply Required | No | — |
| Scratchpad Size | 32 bytes (256 bits) | 32 bytes |
| Page Write Time | [DATA_NEEDED: page write time in ms] | — |
| Operating Temperature | -40°C to +85°C | -40 °C to +85 °C |
| Package | TO-92-3 (through-hole) | TO-92-3 (through-hole) |
| Mounting Type | Through Hole | Through Hole |
| ESD Rating | [DATA_NEEDED: HBM ESD rating] | — |
| Compatibility Family | DS1990 / DS18B20 / DS2401 / iButton | — |
| RoHS Status | Compliant | Compliant |
| Memory Organization | — | 80 pages × 256 bits + 1 control page |
| Standard Speed (max) | — | 15.4 kbps |
| Overdrive Speed (max) | — | 90 kbps |
| Operating VPUP Range | — | 2.8 V to 5.25 V (overdrive requires 4 V to 5.25 V) |
| Write Endurance | — | 200k cycles per page |
| Data Retention | — | >40 years |
| Programming Time (tPROG) | — | 10 ms (max) |
| Lead-Free Status | — | Yes |
| Unique 64-bit ROM ID | — | Yes (factory-lasered) |
| Backward Compatibility | — | DS2433 (4 Kbit 1-Wire EEPROM) |