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FM27C256 Datasheet(PDF) 2 Page - Fairchild Semiconductor |
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FM27C256 Datasheet(HTML) 2 Page - Fairchild Semiconductor |
2 / 10 page 2 www.fairchildsemi.com www.fairchildsemi.com FM27C256 Connection Diagrams Commercial Temp. Range (0 °C to +70°C) V CC = 5V ±10% Parameter/Order Number Access Time (ns) FM27C256 Q, N, V 90 90 FM27C256 Q, N, V 120 120 FM27C256 Q, N, V 150 150 Extended Temp. Range (-40 °C to +85°C) VCC = 5V ±10% Parameter/Order Number Access Time (ns) FM27C256 QE, NE, VE 120 120 FM27C256 QE, NE, VE 150 150 Note: Surface mount PLCC package available for commercial and extended temperature ranges only. Package Types: FM27C256 Q, N, V XXX Q = Quartz-Windowed Ceramic DIP N = Plastic OTP DIP V = Surface-Mount PLCC • All Packages conform to the JEDEC standard. • All versions are guaranteed to function for slower speeds. Pin Names Symbol Description A0–A14 Addresses CE/PGM Chip Enable/Program OE Output Enable O0–O7 Outputs XX Don’t Care (during Read) PLCC Note: Compatible EPROM pin configurations are shown in the blocks adjacent to the FM27C256 pins. A8 A9 A11 XX OE A10 CE/PGM O7 O6 A6 A5 A4 A3 A2 A1 A0 XX O0 5 6 7 8 9 10 11 12 13 29 28 27 26 25 24 23 22 21 14 15 16 17 18 19 20 4 3 2 1 32 31 30 DS800034-2 DS800034-3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 VPP A12 A7 A6 A5 A4 A3 A2 A1 A0 O0 O1 O2 GND 27C040 27C040 XX/VPP A16 A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 O0 O1 O2 GND DlP FM27C256 VCC A14 A13 A8 A9 A11 OE A10 CE/PGM O7 O6 O5 O4 O3 A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 O0 O1 O2 GND 27C512 27C512 XX/VPP A16 A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 O0 O1 O2 GND 27C010 27C010 VCC A18 A17 A14 A13 A8 A9 A11 OE A10 CE/PGM O7 O6 O5 O4 O3 VCC XX/PGM XX A14 A13 A8 A9 A11 OE A10 CE O7 O6 O5 O4 O3 VCC A14 A13 A8 A9 A11 OE/VPP A10 CE/PGM O7 O6 O5 O4 O3 Top |
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