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Additional Pictures 

 

Close-up view of the TP0532/CD5402 CROM chip used with the Texas Instruments TI-88 "PVT Build 3" with Serial Number 1073.
CMOS Technology, 28-pin SPDIP, 15,000 Bytes  ROM, 4-bit Data and Command Interface.

Close-up view of the TP0532/CD5403 CROM chip used with the Master Library CROM-Module provided with the Texas Instruments TI-88 calculator.
CMOS Technology, 28-pin SPDIP, 15,000 Bytes  ROM, 4-bit Data and Command Interface.

Die Photo of the TP0532/CD5402 courtesy of Sean Riddle.

Die Photo of the TP0532/CD5403 courtesy of Sean Riddle.

Die Photo (after acid) of the TP0532/CD5403 courtesy of Sean Riddle.


If you have additions to the above article please email: joerg@datamath.org.

Joerg Woerner, January 22, 2021. No reprints without written permission.