Support/peripheral/other chips starting from 25

SY2530	512x8 static ROM
Comment:	550 ns access time.
Package:	24-pin DIP
Manufacturers:	Synertek
Synertek	SYC2530, SYP2530
SY2533	1024-bit static shift register
Similar:	AMD 2833, Signetics 2533
Comment:	1.5 MHz
Packages:	8-pin DIP, 8-pin TO can
Manufacturers:	Synertek
Synertek	SYP2533, SYT2533, SYC2533
SY2534	512-bit dual static shift register
Comment:	Frequency - 1.5 MHz (no suffix), 3 MHz (SY2534A)
Packages:	8-pin DIP, 8-pin TO can
Manufacturers:	Synertek
Synertek	SYP2534, SYT2534, SYP2534A, SYT2534A
SY2535	480-bit dual static shift register
Comment:	Frequency - 1.5 MHz (no suffix), 3 MHz (SY2535A)
Packages:	8-pin DIP, 8-pin TO can
Manufacturers:	Synertek
Synertek	SYP2535, SYT2535, SYP2535A, SYT2535A