Support/peripheral/other chips starting from 51

SY5101	CMOS 256x4 static RAM
Comment:	Pin-compatible with SY2101.
Package:	22-pin DIP
Manufacturers:	Synertek
Synertek	SYP5101-8, SYC5101-8, SYP5101L, SYC5101L, SYP5101L-1, SYC5101L-1, SYP5101L-3, SYC5101L-3
SY5102	CMOS 1024x1 static RAM
Comment:	Pin-compatible with SY2102.
Package:	16-pin DIP
Manufacturers:	Synertek
Synertek	SYP5102-3, SYC5102-3, SYP5102L-2, SYC5102L-3