Product Summary

The AT49BV040B-TU is a 2.7V to 5.5V in-system reprogrammable Flash Memory. Its 4 megabits of memory is organized as 524,288 words by 8 bits. The AT49BV040B-TU offers an access time of 70 ns (VCC = 2.7V to 3.6V)and an access time of 55 ns (VCC = 4.5V to 5.5V).

Parametrics

AT49BV040B-TU absolute maximum ratings: (1)Temperature Under Bias:-55℃ to +125℃; (2)Storage Temperature:-65℃ to +150℃; (3)All Input Voltages (including NC Pins) with Respect to Ground:-0.6V to +6.25V; (4)All Output Voltages with Respect to Ground:-0.6V to VCC + 0.6V; (5)Voltage on A9 with Respect to Ground:-0.6V to +10.0V.

Features

AT49BV040B-TU features: (1)Single Supply for Read and Write: 2.7V to 5.5V ; (2)Fast Read Access Time:70 ns (VCC = 2.7V to 3.6V); 55 ns (VCC = 4.5V to 5.5V); (3)Internal Program Control and Timer; (4)One 16K Bytes Boot Sector with Programming Lockout; (5)Two 8K Bytes Parameter Sectors; (6)Eight Main Memory Sectors (One 32K Bytes, Seven 64K Bytes); (7)Fast Erase Cycle Time:8 Seconds; (8)Byte-by-Byte Programming:10 μs/Byte Typical; (9)Hardware Data Protection ; (10)DATA Polling or Toggle Bit for End of Program Detection ; (11)Low Power Dissipation ; (12)20 mA Active Current ; (13)25 μA CMOS Standby Current for VCC = 2.7V to 3.6V; (14)30 μA CMOS Standby Current for VCC = 4.5V to 5.5V; (15)Minimum 100,000 Write Cycles.

Diagrams

Image Part No Mfg Description Data Sheet Download Pricing
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AT49BV040B-TU
AT49BV040B-TU

Atmel

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Data Sheet

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Image Part No Mfg Description Data Sheet Download Pricing
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Data Sheet

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AT490JD
AT490JD

NKK Switches

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Data Sheet

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AT490JE
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NKK Switches

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Data Sheet

0-1: $0.62
1-25: $0.59
25-50: $0.56
50-100: $0.52
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NKK Switches

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Data Sheet

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AT494
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Data Sheet

0-1: $0.80
1-25: $0.76
25-50: $0.73
50-100: $0.71