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FM27C256V150 Fiches technique(PDF) 5 Page - Fairchild Semiconductor |
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FM27C256V150 Fiches technique(HTML) 5 Page - Fairchild Semiconductor |
5 / 10 page 5 www.fairchildsemi.com www.fairchildsemi.com FM27C256 Programming Characteristics (Note 12) (Note 13) (Note 14) (Note 15) Symbol Parameter Conditions Min Typ Max Units t AS Address Setup Time 1 µs t OES OE Setup Time 1 µs tVPS VPP Setup Time 1 µs tVCS VCC Setup Time 1 µs t DS Data Setup Time 1 µs t AH Address Hold Time 0 µs tDH Data Hold Time 1 µs tDF Output Enable to Output CE = VIL 060 ns Float Delay t PW Program Pulse Width 45 50 105 µs tOE Data Valid from OE CE = VIL 100 ns I PP V PP Supply Current CE = V IL 30 mA during Programming Pulse I CC V CC Supply Current 50 mA TA Temperature Ambient 20 25 30 °C V CC Power Supply Voltage 6.25 6.5 6.75 V V PP Programming Supply Voltage 12.5 12.75 13.0 V t FR Input Rise, Fall Time 5 ns VIL Input Low Voltage 0.0 0.45 V V IH Input High Voltage 2.4 4.0 V t IN Input Timing Reference Voltage 0.8 2.0 V t OUT Output Timing Reference Voltage 0.8 2.0 V Programming Waveforms (Note 14) Note 12: Fairchild’s standard product warranty applies to devices programmed to specifications described herein. Note 13: VCC must be applied simultaneously or before VPP and removed simultaneously or after VPP. The EPROM must not be inserted into or removed from a board with voltage applied to VPP or VCC. Note 14: The maximum absolute allowable voltage which may be applied to the VPP pin during programming is 14V. Care must be taken when switching the VPP supply to prevent any overshoot from exceeding this 14V maximum specification. At least a 0.1 µF capacitor is required across V PP, VCC to GND to suppress spurious voltage transients which may damage the device. Note 15: During power up the PGM pin must be brought high ( ≥ V IH) either coincident with or before power is applied to VPP. ADDRESS N DATA IN STABLE ADD N DATA OUT VALID ADD N 2.0V 0.8V 2.0V 0.8V 5.25V 12.75V 2.0V 0.8V 2.0V 0.8V ADDRESSES DATA CE VPP VCC OE t OE t OES t PW t VPS t VCS t DS t AS t AH t DF t DH PROGRAM PROGRAM VERIFY DS800034-5 |
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Description similaire - FM27C256V150 |
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