The 512 Mb DDR AS4C32M16D1 SDRAM is a high-speed CMOS double data rate synchronous DRAM containing 512 Mbits.

Part Number	Packages	Temp. Range	Models			Stock
AS4C32M16D1-5TCN	66-pin TSOP II	Commercial	MDS	Reliability	IBIS	Buy
AS4C32M16D1-5TIN	66-pin TSOP II	Industrial	MDS	Reliability	IBIS	Buy
AS4C32M16D1-5BCN	60-ball FBGA	Commercial	MDS	Reliability	IBIS	Buy
AS4C32M16D1-5BIN	60-ball FBGA	Industrial	MDS	Reliability	IBIS	Buy
AS4C32M16D1-5BAN	60-ball FBGA	Automotive (AECQ-100 compliant)	MDS	Reliability	IBIS	Buy

Note the TSOP II are EOL while quantities last, see AS4C32M16D1A