LE28F4001M

Ordering number : EN*5239A CMOS LSI LE28F4001M, T, R-15/20 4 MEG (524288 words × 8 bits) Flash Memory Preliminary Overview The LE28F4001 Series ICs are 524288-word × 8-bit flash memory products that support on-board reprogramming and feature 5 V single-voltage power supply operation. CMOS peripheral circuits were adopted for high speed, low power, and ease of use. These products support a sector (256 bytes) erase function for fast data rewriting. Package Dimensions unit: mm 3205-SOP32 [LE28F4001M] Features Fabricated in a highly reliable 2-layer polysilicon CMOS flash EEPROM process. Read and write operation from a 5 V single-voltage power supply Sector erase function: 256 bytes per sector Fast access time: 150/200 ns Low power — Operating current (read): 25 mA (maximum) — Standby current: 20 µA (maximum) Highly reliable read and write operations — Sector write cycles: 104 cycles — Data retention time: 10 years Address and data latches Self-timer erase and programming Byte programming time: 35 µs (maximum) Write complete detection: Toggle bit and data polling Hardware and software data protection Pin assignment conforms to the JEDEC byte-wide EEPROM standard Packages SOP 32-pin (525 mil) plastic package :LE28F4001M TSOP 40-pin (10 × 14 mm) plastic package :LE28F4001T TSOP 40-pin (10 × 14 mm) plastic package :LE28F4001R SANYO: SOP32 unit: mm 3087A-TSOP40 [LE28F4001T, R] SANYO: TSOP40 (TYPE-I) These FLASH MEMORY products incorporate technology ...