VRAM Datasheet(PDF) - M66272FP - Mitsubishi Electric Semiconductor

Manufacturer	Part #	Datasheet	Description
Mitsubishi Electric Sem...	M66272FP	78Kb/4P	LCD CONTROLLER with VRAM
Mitsubishi Electric Sem...	M66273FP	297Kb/34P	LCD CONTROLLER with VRAM
Austin Semiconductor	SM55161A	1Mb/64P	262144 x 16 BIT VRAM MULTIPORT VIDEO RAM
Elpida Memory	HM534253B	459Kb/45P	1 M VRAM (256-kword x 4-bit)
Hitachi Semiconductor	HM538123B	369Kb/46P	1 M VRAM (128-kword x 8-bit)
Elpida Memory	HM538253B	548Kb/56P	2 M VRAM (256-kword x 8-bit) Hyper Page Mode (HM538254B)
Austin Semiconductor	SMJ44C251B	1Mb/57P	256K X 4 VRAM 256K x 4 DRAM with 512K x 4 SAM
YAMAHA CORPORATION	YGV638	860Kb/26P	a pattern graphic controller with an on-chip VRAM and the ample drawing performance enables high-resolution animated GUIs on WVGA display panels.

VRAM Datasheet, PDF