AT24CSW020-UUM0B-T vs AT24C02D-MAHM-T Comparison
Detailed side-by-side comparison of AT24CSW020-UUM0B-T by Microchip Technology and AT24C02D-MAHM-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
AT24CSW020-UUM0B-T - 2Kb I2C Serial EEPROM with Security | Microchip
AT24CSW020-UUM0B-T ✓ ActiveMicrochip Technology
AT24C02D-MAHM-T - 2Kb I2C EEPROM 1MHz 8-UDFN | Microchip
AT24C02D-MAHM-T ✓ ActiveSpecification Comparison
| Parameter | AT24CSW020-UUM0B-T | AT24C02D-MAHM-T |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Memory ICs | EEPROM |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.31 | $0.21 |
| Memory Type | Non-Volatile EEPROM | EEPROM - Serial |
| Memory Size | 2 Kbit (256 x 8) | 2 Kbit (256 x 8) |
| Interface | I2C (2-wire) | I2C (2-wire serial) |
| Clock Frequency (Max) | 1 MHz | — |
| Access Time | 450 ns | 4.5 us (max) |
| Supply Voltage | 1.7 V to 3.6 V | — |
| Write Cycle Time | 5 ms (typical page write) | — |
| Operating Temperature | -40 C to +85 C (Industrial) | — |
| Package | 4-WLCSP (4-ball WLCSP) | 8-UDFN Exposed Pad (2 mm x 3 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Unique Serial Number | Factory pre-programmed 32-bit (per datasheet) | — |
| Security Register | Yes (user-programmable) | — |
| Write Protection | Hardware WP pin + Software Write Protection (SWP) | — |
| Power-On Reset (POR) | Built-in | — |
| MSL Level | 1 (per WLCSP handling guidelines) | 1 (Unlimited) |
| RoHS Status | Compliant | Compliant (NiPdAu lead finish, halogen-free) |
| Memory Organization | — | 256 x 8 |
| Maximum Clock Frequency | — | 1 MHz |
| Supply Voltage Range | — | 1.7 V to 3.6 V |
| Operating Current (Read) | — | 1 mA (max at 400 kHz) |
| Standby Current | — | 1 uA (typical) |
| Write Cycle Time (Byte/Page) | — | 5 ms (max) |
| Page Write Buffer Size | — | 16 bytes |
| Write Endurance | — | 1,000,000 cycles per byte (typical) |
| Data Retention | — | 100 years (typical) |
| Operating Temperature Range | — | -40 C to +85 C (Industrial) |
| Write Protection Pin | — | Yes (WP, active-high) |
| Address Pins | — | A0, A1, A2 (allow 8 devices on bus) |