about cd4538 equivalents

[basellafe]

ihave aproject is to build delta pulse but ihave aproblem with this ic cd4538 icoudnt find it in my country and i couldnt see a equivalents for this ic mey be some body know if theres a equivalents for this ic i will be thanks for him best regards

[kt315]

DD1 ----- 4538 ----- CD14538, MC14538, CD4538, HCF4538

http://www.ebay.com/sch/i.html?_odkw...+4538&_sacat=0

[basellafe]

Thanks kt315 for fast reply