Manufacturer Part #
AT28C256 Series 256 Kb (32 K x 8) 5.5 V Paged Parallel EEPROM - DIP-28
|Standard Pkg:|| |
Product Variant Information section
14 per Tube
Description of Change: 1) Updated to the Microchip template. Microchip DS20006386 replaces Atmel document 0006. 2) Added updated Part Markings to include new trace code format.Reason for Change: To Improve ManufacturabilityChange Implementation Status: CompleteDate Document Changes Effective: 10 July 2020NOTE: Please be advised that this is a change to the document only the product has not been changed.
Revision History:May 29, 2017: Issued initial notification.November 07, 2017: Re-issued initial notification to update the affected parts list. Updated the pre and post change to include die coat material. Updated the qual report availability and revision of the qualification plan.August 22, 2018: Issued final notification. Attached the Qualification Report. Added reference CCB 2936.001 and updated affected CPN list because of the update in the scope of this PCN.April 01, 2019: Re-issued final notification. Amended reference CCB 2936.001 to CCB 2936.002 and added reference CCB 2936.003 to include selected Atmel products available in 28L PDIP package. Updated notification subject, description of change, pre and post change field and summary table and the affected CPN list in accordance with the scope.Description of Change:Qualification of MMT as a new assembly site for selected Atmel Product available in 28L and 40L PDIP package.Pre Change:Assembled at ANAP assembly site using 8390A die attach, Q3-6646 die coat and CK5000A molding compound material. Assembled at LPI assembly site using CRM-1033BF die attach, Q1-4939 die coat and G600 molding compound material.Post Change: Assembled at MMT Assembly site using CRM-1064L die attach, Q1-4939 die coat and GE800 molding compound material.Reason for Change:To improve manufacturability by qualifying MMT assembly site as part of the Atmel and Microchip integration.Estimated First Ship Date:For 40L PDIP package: September 21, 2018 (date code: 1838).For 28L PDIP package: May 01, 2019 (date code: 1918)NOTE: Please be advised that after the estimated first ship date customers may receive pre and post change parts.
Description of Change:Implement MMT shipping tube for selected Atmel products available in 20L PDIP (300 mils), 28L PDIP, 40L PDIP (600 mils), 28L PLCC and 44L PLCC packages.Pre Change: Using MPHL shipping tubePost Change: Using MPHL and MMT shipping tube.Reason for Change:To improve on-time delivery performance by qualifying MMT shipping tube.Estimated First Ship Date:October 12, 2018 (date code: 1841)
|Memory Organization:||32 K x 8|
|Supply Voltage-Nom:||4.5V to 5.5V|
|Write Cycle Time-Max (tWC):||10ms|
|Mounting Method:||Through Hole|
14 per Tube