National TP3040AJ TP3040 PCM Monolithic Filter - NOS

National TP3054J TP3054 CODEC Interface - NOS

Intel D2914 PCM CODEC And Filter - NOS

OKI Single Rail PCM CODEC MSM7507-01 μ/A-law pin selectable 20 Pin Plastic SSOP

TP3067J National Semiconductor CODEC/Filter CMOS Serial Interface Ceramic IC

MT8965AE Mitel Integrated PCM Filter / Codec Telecom IC ISO2-CMOS NOS

Intel D2913 Combined Single-Chip PCM Codec/Filter

Lot of 2 Mitel MT8965AE A-Law PCM Filter Codec 18-Pin IC Vintage Taiwan -e35