M25P64_SPI_FLASH数据手册.pdf

1/38 PRELIMINARY DATA February 2005 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. M25P64 64 Mbit, Low Voltage, Serial Flash Memory With 50MHz SPI Bus Interface FEATURES SUMMARY ■ 64Mbit of Flash Memory■ Page Program (up to 256 Bytes) in 1.4ms (typical)■ Sector Erase (512Kbit)■ Bulk Erase (64Mbit)■ 2.7 to 3.6V Single Supply Voltage■ SPI Bus Compatible Serial Interface■ 50MHz Clock Rate (maximum)■ Electronic Signatures – JEDEC Standard Two-Byte Signature (2017h) – RES Instruction, One-Byte, Signature (16h), for backward compatibility■ More than 100000 Erase/Program Cycles per Sector■ More than 20-Year Data Retention Figure 1. Packages VDFPN8 (ME) 8x6mm (MLP8) SO16 (MF) 300 mils width M25P64 2/38 TABLE OF CONTENTS FEATURES SUMMARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Figure 1. Packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Figure 2. Logic Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Table 1. Signal Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Figure 3. VDFPN Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Figure 4. SO Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 SIGNAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Serial Data Output (Q). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Serial Data Input (D) . . . . . . . . . . . . .