Ordering number : EN*5239A CMOS LSI LE28F4001M, .
LE28F4001R-15 - 4 MEG (524288 words x 8 bits) Flash Memory
LE28F4001R - 4 MEG (524288 words x 8 bits) Flash Memory
LE28F4001R-20 - 4 MEG (524288 words x 8 bits) Flash Memory