User`s manual

AMBE-2000™ Vocoder Chip
User’s Manual Version 4.9
DVSI Confidential Proprietary, Subject to Change Page 12
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3 Hardware Information
3.1 Special Handling Instructions
The AMBE-2000™ uses the TM320LC541B-66 core. For more details on handling, electrical characteristics, packaging, or
timing constraints please refer to the TMS320-C54x manual found at http://www-s.ti.com/sc/psheets/sprs039c/sprs039c.pdf
(Adobe Acrobat). Although the AMBE-2000™ Vocoder Chip incorporates input protection circuitry, to avoid damage from
the accumulation of a static charge, industry standard electrostatic discharge precautions and procedures must be employed
during handling and mounting.
The 100 pin TQFP package design of the AMBE-2000™ Vocoder Chip allows it to be mounted by infrared reflow, vapor-
phase reflow or equivalent processes. The peak package body temperature must not exceed 220°C.
The AMBE-2000™ Vocoder Chip requires baking before mounting, if any of the following conditions exist:
• Humidity indicator card (included in packaging) shows exposure to > 20 % when read
at 23°C + 5°C
• Devices were not shipped in a package designated as “moisture controlled.”
• Not mounted within 168 hours of receipt, at factory conditions of <30°C and <60%
RH
• If the device has not been stored at < 20% RH
DVSI’s recommended bake out procedures:
• For low-temperature device containers: 192 hours at 40°C + 5°C / -0°C and < 5%
Relative Humidity
• For high-temperature device containers: 24 hours at 125°C + 5°C.
3.1.1 Storage
To insure maximum shelf life in long term storage, AMBE-2000™ Vocoder Chips should be kept in a moisture controlled
package at <40°C and <90% Relative Humidity