NOTE: For detailed information on purchasing options, contact your

local Allegro field applications engineer or sales representative.

Allegro MicroSystems, Inc. reserves the right to make, from time to time, revisions to the anticipated product life cycle plan for a

product to accommodate changes in production capabilities, alternative product availabilities, or market demand. The information

included herein is believed to be accurate and reliable. However, Allegro MicroSystems, Inc. assumes no responsibility for its use; nor

for any infringements of patents or other rights of third parties which may result from its use.

Recommended Substitutions:

Ratiometric, Linear Hall-Effect Sensors

for High-Temperature Operation

A3517 and A3518

For new customers or new applications:

For existing programs only:

• for the A3517, please refer to the Allegro A3515

A3517LUA is replaced by the A3515LUA

A3517SUA is replaced by the A3515EUA

• for the A3518, please refer to the Allegro A3516

A3518LUA is replaced by the A3516LUA

A3518SUA is replaced by the A3516EUA

Date of status change: May 2, 2005

Deadline for receipt of LAST TIME BUY orders: December 31, 2005

These parts are in production but have been determined to be

LAST TIME BUY. This classification indicates that the product is

obsolete and notice has been given. Sale of this device is currently

restricted to existing customer applications. The device should not be

purchased for new design applications because of obsolescence in the

near future. Samples are no longer available.

Last Time Buy