No direct replacement from Intel/Altera. They EOLed that series.
Check out the Atmel/Microchip ATF1508AS series part, still in production, a direct replacement.
There are -10 and -15 speed grades in the QC100 / QU100 package codes, which is the PQFP100 package.
With the Microchip POF2JED tool you can convert your Altera .POF file to a .JED file to program the part with your code.
Sorry to tell you that thee is no direct replacement for EPM7128SQC100-15N. We recommend you to use our latest MAX family that is available;
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