产品概览
The AT25DF641A-SH-T from Renesas (formerly Atmel/Microchip) is a 64Mbit SPI serial Flash memory with RapidS dual-I/O support operating at 100MHz. The -SH denotes 8-SOIC package, and -T indicates tape-and-reel packaging. It features 4KB/32KB/64KB erase sectors and individual sector protection.
主要规格
- Type: 64Mbit SPI Serial Flash Memory
- Manufacturer: Renesas Electronics (formerly Atmel)
- Density: 64Mbit (8MB)
- Interface: SPI (Modes 0 and 3) + RapidS Dual-I/O
- Clock Frequency: 100MHz (RapidS), 85MHz (SPI)
- Supply Voltage: 2.7V to 3.6V
- Erase Sectors: 4KB / 32KB / 64KB uniform + Full Chip
- Page Size: 256 bytes
- Page Program Time: 1ms typical
- 4KB Erase Time: 50ms typical
- Endurance: 100,000 program/erase cycles
- Data Retention: 20 years
- OTP Security Register: 128 bytes
- Package: 8-SOIC (5.3mm wide)
- Operating Temp: -40C to +85C
- MSL: 1 (Unlimited)
- RoHS: ROHS3 Compliant
特点
- 100MHz RapidS dual-I/O for fast code shadowing
- Flexible 4KB/32KB/64KB erase architecture
- Individual sector protection with global protect/unprotect
- Sector lockdown for permanent read-only protection
- 128-byte OTP security register
- Program/erase suspend/resume
- JEDEC standard ID read
应用
- Embedded system code storage
- FPGA configuration memory
- Boot firmware storage
- Data logging in industrial systems
- Consumer electronics firmware