AT25640B-MAHL-T vs AT25640B-SSHL-T Comparison
Detailed side-by-side comparison of AT25640B-MAHL-T by Microchip Technology and AT25640B-SSHL-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
AT25640B-MAHL-T - 64Kb SPI EEPROM, 20MHz, 8-UDFN | Microchip
AT25640B-MAHL-T ✓ ActiveMicrochip Technology
AT25640B-SSHL-T - 64Kb SPI EEPROM, 8-SOIC, 20 MHz | Microchip
AT25640B-SSHL-T ✓ ActiveSpecification Comparison
| Parameter | AT25640B-MAHL-T | AT25640B-SSHL-T |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Memory ICs | Memory ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.36 | $0.30 |
| Memory Type | EEPROM (Serial, SPI) | Non-volatile EEPROM (Serial) |
| Memory Density | 64 Kbit (8 KB) | 64 Kbit |
| Memory Organization | 8192 x 8 bit | 8192 x 8 (8 KB) |
| Interface | SPI (Serial Peripheral Interface) | SPI (Serial Peripheral Interface) |
| SPI Modes | Mode 0 (0,0) and Mode 3 (1,1) | Mode 0 (0,0) and Mode 3 (1,1) |
| Maximum Clock Frequency | 20 MHz @ 5 V | 20 MHz |
| Supply Voltage (Vcc) | 1.8 V to 5.5 V | — |
| Operating Temperature Range | -40 °C to +85 °C (Industrial) | — |
| Page Write Buffer Size | 32 bytes | — |
| Write Cycle Time | ≤5 ms (byte/page) | 5 ms typical (page write) |
| Endurance | >1,000,000 erase/write cycles per page | 1,000,000 erase/write cycles per page (typical) |
| Data Retention | 100 years | 100 years (typical) |
| Standby Current | 1 µA typical, 2 µA max @ 5.5 V | 5 µA typical at 5 V |
| Active Read Current | [DATA_NEEDED: active read current] | [DATA_NEEDED: active read current at 5 V] |
| Package | 8-UDFN (2 mm x 3 mm) with Exposed Pad | 8-pin SOIC (SOIC-8, narrow body, 0.150") |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 1 (per JEDEC J-STD-020) | 1 (unlimited floor life) |
| RoHS Status | Compliant | Compliant |
| Write Protect | Hardware (WP pin) and Software block protection (upper 1/4 array) | — |
| Lead-Free / Halogen-Free | Yes / Yes | Yes |
| Supply Voltage (VCC) | — | 1.8 V to 5.5 V |
| Page Size | — | 32 bytes |
| Write Protection | — | Hardware (WP pin) and software (status register) |
| Operating Temperature | — | -40 °C to +85 °C (industrial) |
| AEC-Q100 | — | Qualified (AT25640B family) |