AT25SF041B-SSHD-B vs AT25DF641A-SH-B Comparison
Detailed side-by-side comparison of AT25SF041B-SSHD-B by Renesas Electronics and AT25DF641A-SH-B by Renesas Electronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Renesas Electronics
AT25SF041B-SSHD-B - 4Mbit SPI/Quad-I/O Flash, 108MHz, 8-SOIC | Renesas
AT25SF041B-SSHD-B ✓ ActiveRenesas Electronics
AT25DF641A-SH-B - 64Mbit SPI Flash, 2.7-3.6V, 100MHz SOIC-8 | Renesas
AT25DF641A-SH-B ✓ ActiveSpecification Comparison
| Parameter | AT25SF041B-SSHD-B | AT25DF641A-SH-B |
|---|---|---|
| Brand | Renesas Electronics | Renesas Electronics |
| Category | Memory ICs | Memory ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.28 | $1.55 |
| Memory Type | Non-Volatile NOR Flash | Non-volatile NOR Flash |
| Memory Size | 4 Mbit (512 Kbit x 8 / 512 KB) | — |
| Memory Organization | 512K x 8 | — |
| Interface Type | SPI (Single/Dual/Quad I/O) | — |
| Maximum Clock Frequency | 108 MHz (Quad I/O) | — |
| Supply Voltage (VCC) | 2.5 V to 3.6 V | 2.7 V to 3.6 V (single supply) |
| Active Read Current | [DATA_NEEDED: active read current in mA] | — |
| Standby Current | [DATA_NEEDED: standby current in uA] | — |
| Deep Power-Down Current | Typically <1 uA | — |
| Page Size | 256 bytes | 256 bytes |
| Sector Erase Size | 4 KB | 4 KB |
| Block Erase Sizes | 32 KB and 64 KB | 32 KB and 64 KB |
| Program/Erase Endurance | >100,000 cycles per sector | — |
| Data Retention | >20 years | — |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C |
| Package | 8-SOIC (0.154", 3.90 mm width) | 8-SOIC-W (Wide Body, 208 mil) |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | [DATA_NEEDED: MSL rating] | — |
| Lead-Free / RoHS | Lead-Free, RoHS Compliant | Yes (Green, Pb-free) |
| Manufacturer | Renesas Electronics Corporation (formerly Dialog Semiconductor / Adesto) | — |
| SPI Modes Supported | Mode 0 and Mode 3 | — |
| JEDEC IDs | Manufacturer 0x9D / Device IDs 0x44, 0x5D (per datasheet) | — |
| Memory Density | — | 64 Mbit (8 MB) |
| Organization | — | 8M x 8 bit |
| Interface | — | SPI (Serial Peripheral Interface) |
| SPI Modes | — | Mode 0 and Mode 3 |
| Maximum SPI Clock | — | 100 MHz |
| Dual-I/O Support | — | Yes (Dual Output Read) |
| Packaging Form | — | Tube (-SH-B suffix) |
| Write Protection | — | Hardware WP#, software, and absolute protection |
| JEDEC ID | — | 0x1F (Atmel/Renesas) |