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AT27C512R-12TC Datasheet(PDF) 8 Page - ATMEL Corporation |
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AT27C512R-12TC Datasheet(HTML) 8 Page - ATMEL Corporation |
8 / 9 page 8 0015O–EPROM–12/07 AT27C512R Notes: 1. V CC must be applied simultaneously or before OE/VPP and removed simultaneously or after OE/VPP. 2. This parameter is only sampled and is not 100% tested. Output Float is defined as the point where data is no longer driven – see timing diagram. 3. Program Pulse width tolerance is 100 µsec ± 5%. 16. AC Programming Characteristics T A = 25 ± 5°C, VCC = 6.5 ± 0.25V, OE/VPP = 13.0 ± 0.25V Symbol Parameter Test Conditions(1) Limits Units Min Max tAS Address Setup Time Input Rise and Fall Times (10% to 90%) 20 ns Input Pulse Levels 0.45V to 2.4V Input Timing Reference Level 0.8V to 2.0V Output Timing Reference Level 0.8V to 2.0V 2µs t OES OE/V PP Setup Time 2 µs tOEH OE/VPP Hold Time 2 µs tDS Data Setup Time 2 µs t AH Address Hold Time 0 µs tDH Data Hold Time 2 µs tDFP CE High to Output Float Delay(2) 0130 ns t VCS V CC Setup Time 2 µs tPW CE Program Pulse Width(3) 95 105 µs tDV Data Valid from CE(2) 1µs t VR OE/V PP Recovery Time 2 µs t PRT OE/VPP Pulse Rise Time During Programming 50 ns 17. Atmel’s AT27C512R Integrated Product Identification Code Codes Pins Hex Data A0 O7 O6 O5 O4 O3 O2 O1 O0 Manufacturer 00 001 11 10 1E Device Type 10 000 11 01 0D |
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