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