Interface is SPI - Interface - Telecom Distributor - SI3230-E-FM SI3230-E-FMR SI3230-E-FTR

Part Number	Manufacturer / Brand	Brife Description	Part Status	Function	Interface	Number of Circuits	Voltage - Supply	Current - Supply	Power (Watts)	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
SI3230-E-FM	Silicon Labs	IC SLIC PROG 1-CH 38QFN	Obsolete	Subscriber Line Interface Concept (SLIC), CODEC	SPI	1	3.13 V ~ 5.25 V	88mA	700mW	-	Surface Mount	38-VFQFN Exposed Pad	38-QFN (5x7)
SI3230-E-FMR	Silicon Labs	IC SLIC PROG 1-CH 38QFN	Obsolete	Subscriber Line Interface Concept (SLIC), CODEC	SPI	1	3.13 V ~ 5.25 V	88mA	700mW	-	Surface Mount	38-VFQFN Exposed Pad	38-QFN (5x7)
SI3230-E-FTR	Silicon Labs	IC SLIC PROG 1CH 38TSSOP	Obsolete	Subscriber Line Interface Concept (SLIC), CODEC	SPI	1	3.13 V ~ 5.25 V	88mA	700mW	-	Surface Mount	38-TFSOP (0.173", 4.40mm Width)	38-TSSOP
SI3230M-E-FM	Silicon Labs	IC SLIC PROG 1-CH 38QFN	Obsolete	Subscriber Line Interface Concept (SLIC), CODEC	SPI	1	3.13 V ~ 5.25 V	88mA	700mW	-	Surface Mount	38-VFQFN Exposed Pad	38-QFN (5x7)
SI3230M-E-FMR	Silicon Labs	IC SLIC PROG 1-CH 38QFN	Obsolete	Subscriber Line Interface Concept (SLIC), CODEC	SPI	1	3.13 V ~ 5.25 V	88mA	700mW	-	Surface Mount	38-VFQFN Exposed Pad	38-QFN (5x7)