M27C512-90B1

M27C512 512 Kbit (64K x8) UV EPROM and OTP EPROM Features 5V 10% supply voltage in read operation Access time: 45 ns Low power CMOS consumption: 28 Active current 30 mA Standby current 100 A 1 Programming voltage: 12.75 V 0.25 V FDIP28W (F) Programming time around 6 s. Electronic Signature Manufacturer code: 20h Device code: 3Dh Packages 28 ECOPACK versions 1 PDIP28 (B) PLCC32 (C) Table 1. Device summary Package 45 ns 70 ns 90 ns 100 ns 120 ns 150 ns PDIP28 M27C512-90B6 M27C512- M27C512- PLCC32 M27C512-70C6 M27C512-90C1 10C6 12C3 M27C512- M27C512-90F1 12F1 M27C512-15F1 M27C512- FDIP28W M27C512-45XF1 M27C512-70XF1 10F1 M27C512-90F6 M27C512- M27C512-15F6 12F3 May 2007 Rev 3 1/22 www.st.com 1Contents M27C512 Contents 1 Description . 3 2 Device operation 5 2.1 Read mode . 5 2.2 Standby mode 5 2.3 Two line output control 6 2.4 System considerations 6 2.5 Programming . 7 2.6 PRESTO IIB programming algorithm . 7 2.7 Program Inhibit 8 2.8 Program Verify 8 2.9 Electronic Signature 8 3 Erasure operation (applies for UV EPROM) 9 4 Maximum rating 10 5 DC and AC parameters 11 6 Package mechanical 17 7 Part numbering 20 8 Revision history . 21 2/22