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AT27LV020A Datasheet(PDF) 9 Page - ATMEL Corporation |
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AT27LV020A Datasheet(HTML) 9 Page - ATMEL Corporation |
9 / 15 page 9 0549G–EPROM–12/07 AT27LV020A 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%. Note: 1. The AT27LV020A has the same Product Identification Code as the AT27C020. Both are programming compatible. 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 + 0.5 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 = PGM = 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 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 CES CE Setup Time 2 µs tOES OE Setup Time 2 µs tDS Data Setup Time 2 µs t AH Address Hold Time 0 µs tDH Data Hold Time 2 µs tDFP OE High to Output Float Delay(3) 0130 ns t VPS V PP Setup Time 2 µs tVCS VCC Setup Time 2 µs tPW PGM Program Pulse Width(2) 95 105 µs t OE Data Valid from OE 150 ns t PRT VPP Pulse Rise Time During Programming 50 ns 17. Atmel’s AT27LV020A Integrated Product Identification Code(1) Codes Pins Hex Data A0 O7 O6 O5 O4 O3 O2 O1 O0 Manufacturer 0 00011110 1E Device Type 1 10000110 86 |
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