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

AT49F040-12TI Pin Configuration

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
AT49F040-12TI
AT49F040-12TI

Atmel

Flash 4M bit

Data Sheet

Negotiable 
Image Part No Mfg Description Data Sheet Download Pricing
(USD)
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AT490JB
AT490JB

NKK Switches

Switch Hardware RND CLR/WH CAP LED

Data Sheet

Negotiable 
AT490JC
AT490JC

NKK Switches

Switch Hardware RND CLR/RED CAP LED

Data Sheet

Negotiable 
AT490JD
AT490JD

NKK Switches

Switch Hardware RND CLR/AMBR CAP LED

Data Sheet

Negotiable 
AT490JE
AT490JE

NKK Switches

Switch Hardware RND CLR/YLW CAP LED

Data Sheet

0-1: $0.62
1-25: $0.59
25-50: $0.56
50-100: $0.52
AT490JF
AT490JF

NKK Switches

Switch Hardware RND CLR/GRN CAP LED

Data Sheet

Negotiable 
AT494
AT494

NKK Switches

Switch Hardware PROTECTIVE GUARD KB

Data Sheet

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