T25S40A, T25S40A-First Datasheet - First-Rank Technology

T25S40A 4M-BIT SPI NOR FLASH

4 2. Signal Description 6 2.1 Input/Output Summary 6 2.2 Chip Select (/CS) 6 2.3 Serial Clock (SCLK) 6 2.4 Serial Input (SI)/IO0 7 2.5 Serial Data Output (SO)/IO1 7 2.6 Write Protect (/WP)/IO2 7 2.7 HOLD (/HOLD)/IO3 7 2.8 VCC Power Supply 8 2.9 VSS Ground 8 3. Block/Sector Addresses9 4. SPI Op.

T25S40A Features

* Serial Peripheral Interface(SPI) - Standard SPI: SCLK, /CS, SI, SO, /WP, /HOLD - Dual SPI: SCLK, /CS, IO0, IO1, /WP, /HOLD - Quad SPI: SCLK, /CS, IO0, IO1, IO2, IO3

* Read - Normal Read (Serial): 50MHz clock rate - Fast Read (Serial): 108MHz clock rate - Dual/Quad (Multi-I/O) Read: 108MHz

T25S40A-First-Rank.pdf