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AT27C040-70TU Datasheet(PDF) 8 Page - ATMEL Corporation |
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AT27C040-70TU Datasheet(HTML) 8 Page - ATMEL Corporation |
8 / 14 page 8 0189G–EPROM–05/05 AT27C040 Notes: 1. V CC must be applied simultaneously or before VPP and removed simultaneously or after 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%. 15. DC Programming Characteristics T A = 25 ± 5°C, VCC = 6.5 ± 0.25V, VPP = 13.0 ± 0.25V Symbol Parameter Test Conditions Limits Units Min Max ILI Input Load Current VIN = VIL, VIH ±10 µA V IL Input Low Level -0.6 0.8 V V IH Input High Level 2.0 V CC + 0.7 V VOL Output Low Voltage IOL = 2.1 mA 0.4 V V OH Output High Voltage I OH = -400 µA 2.4 V I CC2 V CC Supply Current (Program and Verify) 40 mA IPP2 VPP Supply Current CE = VIL 20 mA V ID A9 Product Identification Voltage 11.5 12.5 V 16. AC Programming Characteristics T A = 25 ± 5°C, VCC = 6.5 ± 0.25V, VPP = 13.0 ± 0.25V Symbol Parameter Test Conditions (1) Limits Units Min Max t AS 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 Setup Time 2 µs t DS Data Setup Time 2 µs t AH Address Hold Time 0 µs t DH Data Hold Time 2 µs t DFP OE High to Output Float Delay (2) 0 130 ns t VPS V PP Setup Time 2 µs t VCS V CC Setup Time 2 µs tPW CE Program Pulse Width (3) 95 105 µs t OE Data Valid from OE (2) 150 ns t PRT V PP Pulse Rise Time During Programming 50 ns 17. Atmel’s AT27C040 Integrated Product Identification Code Codes Pins Hex Data A0 O7 O6 O5 O4 O3 O2 O1 O0 Manufacturer 0 0 00 111 10 1E Device Type 1 0 00 010 11 0B |
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