M27C801 8 Mbit (1Mb x 8) UV EPROM and OTP EPROM Features 5 V 10% supply voltage in Read operation Access time: 55 ns 32 low Power Consumption: Active current: 35 mA at 5 MHz 1 Standby current: 100 A FDIP32W (F) Programming voltage: 12.75 V 0.25 V Programming time: 50 s/word Electronic signature Manufacturer code: 20h Device code: 42h 32 ECOPACK packages available 1 PDIP32 (B) PLCC32 (K) September 2007 Rev 6 1/24 www.st.com 1 Obsolete Product(s) - Obsolete Product(s)Contents M27C801 Contents 1 Description . 5 2 Device description 8 2.1 Read mode . 8 2.2 Standby mode 8 2.3 Two-line output control 8 2.4 System considerations 9 2.5 Programming . 9 2.6 Presto IIB programming algorithm . 9 2.7 Program Inhibit . 10 2.8 Program Verify . 10 2.9 Electronic Signature . 10 2.10 Erasure operation (applies to UV EPROM) . 11 3 Maximum ratings . 12 4 DC and AC characteristics . 13 5 Package mechanical data 19 5.1 32-pin ceramic frit-seal DIP, with round window (FDIP32WA) . 19 5.2 32-pin plastic DIP, 600 mils width (PDIP32) . 20 5.3 32-lead rectangular plastic leaded chip carrier (PLCC32) 21 6 Part numbering 22 7 Revision history . 23 2/24 Obsolete Product(s) - Obsolete Product(s)