AT21CS01-STUM10-T vs AT21CS01-STUM-T Comparison
Detailed side-by-side comparison of AT21CS01-STUM10-T by Microchip Technology and AT21CS01-STUM-T by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
AT21CS01-STUM10-T - 1Kb Single-Wire EEPROM, SOT-23-3 | Microchip
AT21CS01-STUM10-T ✓ ActiveMicrochip Technology
AT21CS01-STUM-T - 1Kbit Single-Wire Serial EEPROM | Microchip
AT21CS01-STUM-T ✓ ActiveSpecification Comparison
| Parameter | AT21CS01-STUM10-T | AT21CS01-STUM-T |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | EEPROM | EEPROM |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.26 | $0.26 |
| Memory Type | EEPROM (Non-Volatile) | Non-volatile EEPROM (Serial) |
| Memory Size | 1 Kbit (128 x 8) | 1 Kbit (128 x 8 bits) |
| Organization | 128 x 8 | 128 words x 8 bits |
| Interface | Single-Wire (I2C-compatible protocol structure) | — |
| Serial Number | Factory-programmed 64-bit unique ID | — |
| Clock Frequency (Standard Mode) | 15.4 kbps | — |
| Clock Frequency (High Speed) | 125 kbps | — |
| Supply Voltage | 1.7 V to 3.6 V | — |
| Write Cycle Time (Word/Page) | 5 ms max (self-timed) | — |
| Write Endurance | >1,000,000 cycles per location | >1,000,000 cycles per location |
| Operating Temperature | -40 C to +85 C (Industrial) | — |
| Package | SOT-23-3 (TO-236-3 / SC-59) | SOT-23-3 (TO-236-3, SC-59) |
| Mounting Type | Surface Mount | Surface Mount |
| Number of Pins | 3 | — |
| RoHS Status | Compliant | Compliant |
| Pin Configuration | SI/O (data + parasitic power), GND, NC | — |
| Bus Interface | — | Single-Wire (SI/O) Serial |
| Operating Voltage Range | — | 1.7 V to 3.6 V |
| Standard-Speed Bit Rate | — | 15.4 kbps max (AT21CS01 only) |
| High-Speed Bit Rate | — | 125 kbps max |
| Write Cycle Support | — | 8-byte page write or single-byte write |
| Unique Serial Number | — | 64-bit factory-programmed |
| Discovery Response | — | Yes (quick device detection) |
| Operating Temperature Range | — | -40 C to +85 C |
| Power Scheme | — | Parasitic (powered via SI/O pin) |
| External Pins Required | — | 2 (SI/O and GND) |