Datasheet:

2114 SRAM (indescomp programmable joystick interface)
27C128 EPROM
27C256 EPROM
4116 DRAM (Spectrum 16, 48, +48) (I)
4116 DRAM (Spectrum 16, 48, +48) (II)
4164 DRAM (Spectrum +128K, Spectrum +2 grey)
41464 DRAM (Spectrum +2A, +2B, +3)
4N25 (Ventamatic MIDI interface)
5101 SRAM (Sound & Joystick interface)
AY-3-8912(Spectrum +128, +2 gris, +2A, +2B, +3, TC2068)
BA15218(cassette +2 gris, +2A, +2B)
D8253-C (Ventamatic MIDI interface)
H1061 TRANSISTOR ( Spectrum +3 power supply)
LM 1889 (Spectrum 16K, 48K, +48K)
LM 723 ( Spectrum +3 power supply)
MC 1377 (Timex TC2068)
MC 1488 (Spectrum +128, +2, +2A, +2B, +3)
MC 1489 (Spectrum +128, +2, +2A, +2B, +3)
MC 6850 (Ventamatic MIDI interface)
PAL 16x8 (Spectrum +128, Spectrum +2 gris)
PN2222a TRANSISTOR ( Spectrum +3 power supply)
SED9420 (Spectrum +3)
UPD765A (Spectrum +3)
TEA2000 (Spectrum +128, +2, +2A, +2B, +3)
ZTX213 TRANSISTOR (Spectrum 16K, 48K, +, +128K, +2 grey)
ZTX313 TRANSISTOR (Spectrum 16K, 48K, +, +128K, +2 grey)
ZTX450 TRANSISTOR (Spectrum 16K, 48K, +)
ZTX650 TRANSISTOR (Spectrum 16K, 48K, +, +128K, +2 grey)