Product Summary
The AT49F040-12TI is a 5-volt-only in-system Flash Memory. 4 megabits of memory of the AT49F040-12TI is organized as 524,288 words by 8 bits. Manufactured with Atmel advanced nonvoltile CMOS technology, the AT49F040-12TI offers access times to 90 ns with power dissipation of just 275mW over the commercial temperature range. To allow for simple in-system reprogrammability, the AT49F040-12TI does not require highinput voltages for programming.
Parametrics
AT49F040-12TI absolute maximum ratings: (1) Temperature Under Bias: -55 to +125°C; (2) Temperature Under Bias: -65 to +150°C; (3) All Input Voltages (including NC Pins) with Respect to Ground: -0.6 to +6.25V; (4) All Output Voltages with Respect to Ground: -0.6 to Vcc +0.6V; (5) Voltage on OE with Respect to Ground: -0.6 to +13.5V.
Features
AT49F040-12TI features: (1) Single Voltage Operation: 5V read, 5V Reprogramming; (2) Fast Read Access Time: 90ns; (3) Internal Program Control and Timer; (4) 16K bytes Boot Block With Lockout; (5) Fast Erase Cycle Time: 10 seconds; (6) Byte By Byte Programming: 50μs/Byte; (7) Hardware Data Protection; (8) DATA Polling For End Of Program Detection; (9) Low Power Dissipation; (10) Typical 10,000 Write Cycles.
Diagrams
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![]() AT49F040-12TI |
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![]() Flash 4M bit |
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![]() Switch Hardware RND CLR/WH CAP LED |
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![]() AT490JC |
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![]() AT490JD |
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![]() AT490JE |
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![]() Switch Hardware RND CLR/YLW CAP LED |
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![]() AT490JF |
![]() NKK Switches |
![]() Switch Hardware RND CLR/GRN CAP LED |
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![]() Negotiable |
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![]() AT494 |
![]() NKK Switches |
![]() Switch Hardware PROTECTIVE GUARD KB |
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