
Telecom IC Subscriber Line Interface Concept (SLIC) 28-PLCC (11.51x11.51)
Renesas Electronics

Source Ringer Controller, 4.5 to 5.5 V Supply, 0 to 70 degC, 28-pin SOIC (DW28), Green (RoHS & no Sb/Br)
Texas Instruments (TI)