Semiconductor Description
2114 1k x 4 SRAM
2SC1815 NPN Power transistor
2SC1959 PNP Transistor
2SD880 NPN Power transistor
BC184 NPN Small signal transistor
BC549 NPN Low noise transistor
ztx213 PNP General purpose transistor. TR5 in ZX Spectrum
ztx313 NPN General purpose transistor. TR1, TR2, TR3, TR6 in ZX Spectrum. Also found in the ZX81
ztx450 PNP power transistor. TR7 in ZX Spectrum (Speaker driver)
ztx650 PNP power transistor. TR4 in ZX Spectrum
ztx751 PNP power transistor. Replacement for ZTX213 (TR5) in ZX Spectrum
4116 16k x 1 DRAM
4164 64k x 1 DRAM
TMS4416 16k x 4 DRAM
LM555 Timer
LM556 Timer
LM1889 TV Video Modulator
74LS00 Quad 2 input NAND Gate
74HCT00 Quad 2 input NAND Gate. Cheaper alternative to 74LS00
74LS02 Quad 2 input NOR Gate
74LS04 Hex Inverter
74LS06 Hex Inverter Buffers and Drivers With Open-Collector High-Voltage Outputs
74LS08 Quad 2 input AND Gate
74LS14 Hex Inverter with Schmitt Trigger Inputs
74LS27 Triple 3-input NOR gate
74LS32 Quad 2 input OR Gate
74LS74 Dual Positive-Edge-Triggered D Flip-Flops with Preset, Clear and Complementary Outputs
74LS86 Quad 2 input XOR Gate
74LS125 Quad buffer with 3-State outputs
74LS133 13 Input NAND gate
74LS138 3 to 8 line decoder/demultiplexer
74LS139 Dual 2-LINE TO 1-LINE decoder/demultiplexer
74LS157 Quad 2-LINE TO 1-LINE data selector/multiplexer
74LS175 Quad D-TYPE Flip-flop with clear
74LS245 Octal Bus Transceivers With 3-State Outputs
74LS257 Quad 2-LINE TO 1-LINE data selector/multiplexer
74LS258 Quad 2-Data Selectors/Multiplexers
74LS373 Octal latch with 3-state outputs; octal D-TYPE flip-flop with 3-state output
74LS629 Voltage controlled oscillator
MC4044 Phase frequency detector
CD4066 CMOS Quad Bilateral Switch
M58725 16k x 8 SRAM
LM78XX LM7805 (5V) and LM7812 (12V) voltage regulators

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