| 74 74HC and LS series, 4000 4500 14000 series, 4MHz 8.0MHz 12MHz crystals, synchronous decade and up/down counters, Darlington drivers, oscillators, AND NAND OR NOR NOT gates, latches, RS232 drivers and transceivers, SN75 series, multiplexer and de-multiplexer, comparators, rate multipliers, multivibrators, BCD D/A converter / potentiometer, Schmitt trigger, inverters, shift registers, latches, bridge drivers, data selectors, differential line receiver, display drivers, 8Kx8 NV Ram, 74HCT245N, 74HCT373N, 74HCT374B Octal D type flip-flop tri-state, octal magnitude comparator, and more ..... Hard to find electronic parts, excess inventory and surface mount components. |
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| To make a purchase or request further information email us . Prices are per item plus postage in U.K. pounds, £2.50 minimum order + postage + fees, payment by PayPal. For international shipping please enquire about shipping and exchange rates. Where known suppliers are listed (see description), FEC: = Farnell, RS: = RS Components. N.O.S. = New Old Stock, new parts never used but may have bent leads. All semiconductor parts are stored and supplied in anti-static packaging. |
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| Stock # | Part # | Description | Qty | Each | Data |
| 4000 series |
| F1203 | CD4001 | Quad 2-Input NOR gate, similar to FEC:1607749 (DIP14) | 10 | £0.25 |  |
| A1389 | CD4013BCN | Dual D type flip-flop FEC:1014035 (DIP14) | 76 | £0.75 |  |
| A1389 | TC4013 | Dual D type flip-flop Toshiba (DIP14) | 25 | £0.30 |  |
| A1389 | HEF4013BP | Dual D type flip-flop Philips, similar to FEC:384630 (DIP14) | 20 | £0.50 |  |
| MS30 | HEF4018BP | Presettable divide-by-N counter, similar to FEC:9664602 (DIP16) | 2 | £0.40 |  |
| D1476 | CD4019BCN | Dual 4-Input NOR gate (DIP14) | 402 | £0.40 |  |
| A1391 | CD4023CN | Triple 3-Input NOR gate (DIP14) | 77 | £0.15 |  |
| MA1 | CD4025BCN | Triple 3-Input NAND gate buffered (DIP14) | 27 | £0.40 |  |
| A1780 | CD4028BE | BCD to Decimal decoder, similar to FEC:1470800 (DIP16) | 49 | £0.40 |  |
| A1781 | CD4042BE | Quad clocked D latch, similar to FEC:1470893 (DIP16) | 99 | £0.40 |  |
| B1256 | CD4046BE | Micro power phase-locked loop, similar to FEC:1106104 (DIP16) | 35 | £0.50 |  |
| MS26 | HCF4047BP | Astable monostable multivibrator (DIP14) | 2 | £0.50 |  |
| B1865 | CD4049UBCN | Hex inverter FEC:1014038 (DIP16) | 99 | £0.50 |  |
| C1955 | HCF4050BE | Hex buffer driver, similar to FEC:1094194 (DIP16) | 24 | £0.30 |  |
| MS18 | HCF4050M013TR | Hex buffer driver STMicroelectronics (SO16) | 1443 | £0.10 |  |
| A1210 | CD4063BE | 4bit magnitude comparator, similar to FEC:1607914 (DIP16) | 100 | £0.35 |  |
| A1279 | CD4069UBE | CMOS Hex inverter, similar to FEC:1106113 (DIP14) | 48 | £0.30 |  |
| MS27 | HCF4069BE | CMOS Hex inverter (DIP14) | 2 | £0.30 |  |
| A1782 | MC4076BCP | 4-bit D type register (DIP16) | 23 | £1.00 |  |
| A1390 | CD4081 | Quad 2-Input AND gate, similar to FEC:1106116 (DIP14) | 24 | £0.30 |  |
| MS31 | CD4089BE | Binary rate multiplier, similar to FEC:1740287 (DIP16) | 5 | £2.00 |  |
| A1207 | HCF4098BE | Dual monostable multivibrator, similar to FEC:1607838 (DIP16) | 85 | £0.30 |  |
| MS25 | CD4098BE | Dual monostable multivibrator, similar to RS:527-293 or FEC:1106121 (DIP16) | 17 | £0.25 |  |
| MS17 | HCF40106M013TR | Hex inverters Schmitt trigger STMicroelectronics, RS:714-0534 or FEC:1652024 (SO14) | 1486 | £0.10 |  |
| C1202 | CD40106 | Hex inverters Schmitt trigger, similar to FEC:1106097 (DIP14) | 38 | £0.40 |  |
| MF7 | HCF40106BM1 | Hex inverters Schmitt trigger (SO14) | 550 | £0.40 |  |
| B1671 | CD4511BE | BCD-7 segment latch decoder driver, similar to FEC:385980 (DIP16) | 45 | £0.50 |  |
| MG19 | HCF4516BE | Presettable binary up/down counter, similar to FEC:1209162 (DIP16) | 25 | £0.30 |  |
| A1206 | CD4518BE | Dual 4bit binary up-down counter, similar to FEC:1106123 (DIP16) | 85 | £0.50 |  |
| D10 | HEF4527BP | BCD rate multiplier Philips, similar to FEC:1740288 (DIP16) | 114 | £0.20 |  |
| D10 | CD4527BE | BCD rate multiplier RCA / Harris, similar to FEC:1740288 (DIP16) | 6 | £0.20 |  |
| D1205 | CD4538BCN | Dual precision monostable, similar to FEC:1014048 (DIP16) | 300 | £0.75 |  |
| 14000 series |
| A1394 | MC14002BCP | Dual 4-Input NOR gate (DIP14) | 20 | £0.50 |  |
| MA40 | MC14008 | 4-bit full adder, similar to FEC:9665757 or RS:640-254 (DIP16) | 6 | £0.50 |  |
| A1204 | MC14011BCP | Quad NAND gate, similar to FEC:9665463 or RS:519-0013 (DIP14) | 190 | £0.30 |  |
| B1667 | MC14017BCP | 5 stage Johnson decade counter, similar to FEC:9666621 or RS:518-8739 (DIP16) | 7 | £0.40 |  |
| C1209 | MC14025BCP | Triple 3-Input NOR gate, similar to FEC:9665285 or RS:519-0192 (DIP14) | 24 | £0.40 |  |
| A1211 | MC14044BCP | Quad RS latch, similar to FEC:9664653 or RS:519-0265 (DIP16) | 69 | £0.40 |  |
| B1669 | MC14060BCP | 14-bit binary counter and oscillator, similar to FEC:9665560 or RS:518-9029 (DIP16) | 17 | £0.40 |  |
| D1475 | MC14070BCP | Quad exclusive OR gate Motorola, similar to FEC:9665714 or RS:519-0366 (DIP14) | 127 | £0.30 |  |
| MM2 | MC14073BCP | Triple 3-Input AND gate, similar to RS:519-0394 or FEC:1705997 (DIP14) | 5 | £0.50 |  |
| D1 | MC14078 | Single 8-Input NOR gate (DIP14) | 9 | £0.50 |  |
| B1478 | MC14082B | Dual 4-Input AND gate, RS:518-9170 or FEC:9664742 (DIP14) | 35 | £0.30 |  |
| B1393 | MC14093BCP | Quad 2-Input NAND Schmitt trigger, similar to FEC:9665609 or RS:519-0445 (DIP16) | 24 | £0.40 |  |
| B1477 | MC14175B | Quad D type flip-flop, similar to FEC:1607714 or RS:519-0473 (DIP16) | 18 | £0.40 |  |
| A1212 | MC14510BCP | BCD up/down counter (DIP16) | 61 | £0.80 |  |
| C1392 | MC14516BCP | 4-bit binary up/down counter, similar to FEC:9665293 or RS:519-0552 (DIP16) | 640 | £0.50 |  |
| C2232 | MC14519BCP | Quad 2-Channel data selector (DIP16) | 55 | £2.50 |  |
| A1208 | MC14527BP | BCD rate multiplier (DIP16) | 30 | £0.30 |  |
| 7400 series |
| A1275 | 74LS00N | Quad 2-Input NAND gate, similar to FEC:1740021 or RS:307-480 (DIP14) | 8 | £0.20 |  |
| B1745 | MC74HC02AN | Quad 2-Input NOR Gate Motorola & Harris, similar to FEC:380350 or RS:442-909 (DIP14) | 49 | £0.35 |  |
| A1274 | 74F04 | Hex inverter, similar to FEC:1470854 or RS:630-128 (DIP14) | 30 | £0.25 |  |
| C2006 | 74HC04B | Hex inverter, similar to FEC:380362 or RS:714-0877 (DIP14) | 130 | £0.15 |  |
| A1276 | 7406N | Hex inverter buffer driver, similar to FEC:2381011 or RS:306-320 (DIP14) | 99 | £0.40 |  |
| C2403 | CD74HCT08 | Quad 2-Input AND gate, similar to FEC:1105965 or RS:833-664 (DIP14) | 7 | £0.25 |  |
| C2007 | 74HC10B | Triple 3-Input NAND gate, similar to FEC:9755438 or RS:333-2811 (DIP14) | 23 | £0.35 |  |
| MA6 | M74HCT10B1 | Triple 3-Input NAND gate SGS-Thomson, similar to FEC:1211736 or RS:709-3122 (DIP14) | 150 | £0.25 |  |
| A1277 | 74HC14N | Hex inverter Schmitt trigger, similar to FEC:380404 or RS:442-943 (DIP14) | 11 | £0.35 |  |
| MF6 | 74HCT14 | Hex inverter Schmitt trigger, similar to FEC:381822 or RS:526-577 (SO14) | 22 | £0.25 |  |
| A1277A | DM74LS14N | Hex inverter Schmitt trigger Fairchild, similar FEC:1106073 (DIP14) | 8 | £0.20 |  |
| MS28 | 74HCT20E | Dual 4-input NAND gate, similar to FEC:9591699 or RS:709-2961 (DIP14) | 5 | £0.35 |  |
| B2076 | 74HC74 | Dual D type flip-flop, similar to FEC:9591699 or RS:518-9710 (DIP14) | 142 | £0.25 |  |
| C2008 | 74HC85N | 4-bit magnitude comparator, similar to FEC:380489 or RS:309-105 (DIP16) | 9 | £0.40 |  |
| B2127 | 74HC132 | Quad 2-Input NAND gate Schmitt trigger inputs, similar to FEC:380532 or RS: (DIP14) | 3 | £0.25 |  |
| C2009 | 74HC138N | 3-8 line decoder demultiplexer, similar to FEC:380544 (DIP16) | 25 | £0.25 |  |
| A1278 | 74LS138 | 3-8 line decoder demultiplexer, similar to FEC:1739824 (DIP16) | 46 | £0.25 |  |
| MG26 | 74HCT138 | 3-8 line decoder demultiplexer, similar to FEC:1868458 (DIP16) | 96 | £0.15 |  |
| C2126 | 74HC139 | Dual decoder multiplexer, similar to FEC:380556 (DIP16) | 8 | £0.25 |  |
| C2128 | 74LS145 | 1 of 10 decoder driver open collector, similar to FEC:1470804 (DIP16) | 1 | £0.70 |  |
| MX23 | DM74LS164 | 8-bit parallel out serial shift register, similar to 1178439 (DIP14) | 1 | £0.50 |  |
| B1497 | 74HCT191E | Presettable synchronous 4-bit binary up/down counter, similar to FEC:1434012 (DIP16) | 95 | £0.20 |  |
| D6 | T74LS191B1 | Presettable synchronous 4-bit binary up/down counter, similar to FEC:1470788 (DIP16) | 102 | £0.75 |  |
| A1222 | 74LS244N | Octal buffer line driver, similar to FEC:1106084 (DIP20) | 5 | £0.50 |  |
| B1747 | 74HCT245N | Octal bus transceiver tri-state, similar to FEC:9591931 (DIP20) | 109 | £0.30 |  |
| B2390 | 74HCT273B | Octal D flip-flop +reset, similar to FEC:382309 (DIP20) | 80 | £0.35 |  |
| C1748 | 74HCT373N | Octal D-type transparent latch tri-state, similar to FEC:382358 (DIP20) | 63 | £0.25 |  |
| B2287 | 74HCT374B | Octal D type flip-flop tri-state, similar to FEC:382360 (DIP20) | 42 | £0.30 |  |
| C2434 | 74LS378N | Hex D type flip-flop with enable, similar to FEC:1739885 (DIP20) | 4 | £0.75 |  |
| C2125 | 74HC595 | 8-bit serial in/out, parallel out shift register, similar to FEC:3166028 (DIP16) | 13 | £0.40 |  |
| B2430 | 74HCT640N | Octal bus transceiver 3-state inverting, similar to FEC:382474 (DIP20) | 59 | £0.60 |  |
| B1746 | 74LS682N | Octal magnitude comparator, similar to FEC:1470950 (DIP20) | 19 | £1.25 |  |
| B2429 | 74HCT688 | 8-bit magnitude comparator, similar to FEC:382504 (DIP20) | 37 | £0.60 |  |
| A1784 | 74C922 | 16 key encoder, similar to FEC:1013909 (DIP18) | 15 | £7.50 |  |
| D/A Converters |
| B2286 | AD569JN | 16-Bit Monotonic Voltage Output D/A Converter, similar to FEC:1438379 or RS:709-5967 (DIP28) | 2 | £25.00 |  |
| C1952 | AD7523JN | 8-bit multiplying D/A converter, similar to RS:429-041 (DIP16) | 2 | £8.00 |  |
| B1462 | AD7525KN | 3.5 digit BCD D/A converter / potentiometer (DIP18) | 84 | £10.00 |  |
| B1499 | MP7545BLN | Buffered multiplying 12-bit D/A converter (DIP20) | 9 | £10.00 |  |
| MG16 | AD7545N | CMOS 12-Bit buffered multiplying DAC D/A Converter, similar to FEC:9604561 or RS:522-9127(DIP20) | 5 | £7.50 |  |
| B2276 | TLC7524CN | 8-bit multiplying D/A converter, similar to FEC:1102997 or RS:650-087 (DIP16) | 5 | £2.00 |  |
| Drivers - receivers |
| B2401 | MAX202CPE | RS232 transceiver, similar to FEC:9723803 or RS:540-5321 (DIP20) | 127 | £2.50 |  |
| MG21 | ST232CN | RS232 transceiver, similar to FEC:1077192 or RS:355-3305 (DIP16) | 83 | £0.75 |  |
| MF1 | MAX232E | Dual RS232 transceiver, similar to FEC:9724427 or RS:540-3268 (SO08) | 32 | £1.75 |  |
| C1953 | L298N | Dual full bridge driver 4A 45V, similar to FEC:1589425 or RS:636-384 (Multiwatt15 V) | 24 | £2.00 |  |
| MG22 | ULN2003A | 7-Channel Darlington 50V 0.5A common emitter drivers, similar to FEC:1094421 or RS:436-8451 (DIP16) | 20 | £0.40 |  |
| C2124 | ULN2803A | 8-Channel Darlington 50V 0.5A common emitter drivers, similar to FEC:1094428 or RS:714-1167 (DIP18) | 47 | £0.30 |  |
| B1743 | ULN2804A | 8-Channel Darlington 50V 0.5A common emitter drivers, similar to FEC:1094429 or RS:686-8199 (DIP18) | 133 | £0.35 |  |
| B2402 | UDN2981A | 8-Channel source drivers, similar to FEC:1193495 or RS:162-795 (DIP18) | 27 | £2.00 |  |
| B2285 | UDN2982A | 8-Channel source drivers, similar to FEC:1521728 (DIP18) | 84 | £2.00 |  |
| D2420 | NJM3770AD3 | Stepper motor driver, similar to FEC:1159695 or RS:657-195 (DIP16) | 83 | £2.00 |  |
| MG18 | MC68681P | UART Dual Asynchronous Receiver/Transmitter (DIP40) | 2 | £5.00 |  |
| C2129 | SN75150N | RS232 Dual line driver (DIP08) | 5 | £0.75 |  |
| C2147 | SN75175N | Quad differential line receiver, similar to FEC:1106029 or RS:630-904 (DIP16) | 19 | £1.80 |  |
| C2049 | DS8820N | Differential bus/line receiver (DIP14) | 17 | £3.50 |  |
| MX21 | ICM7217IJI | 4 digit presettable up/down counter and LED common anode display driver (DIP28) | 10 | £5.00 |  |
| MG25 | ICM7218CIJI | 8 digit common anode LED microprocessor compatible multiplexed display decoder driver FEC:406016 (DIP28) | 25 | £10.00 |  |
| C2106 | UA9637 | RS422 Dual differential line receiver, similar to FEC:1564881 (DIP08) | 2 | £0.75 |  |
| Memory |
| D8 | AT17C256-10PC | FPGA configuration E2PROM (DIP08) | 35 | £3.00 |  |
| MG29 | DS1225Y | 64Kb (8Kb x8) NV Ram Dallas (DIP40) | 1 | £8.50 |  |
| MX14 | TMS2732A-45JL | 32Kb (4Kb x8) MOS UV-Erasable EPROM (DIP24) N.O.S. | 8 | £2.50 |  |
| B1744 | M27C64A-15F1 | 64Kb (8Kb x8) PROM, similar to FEC:1094265 or RS:415-1512 (DIP28) | 27 | £4.50 |  |
| B1744A | 27C64A-15F1 | 64Kb (8Kb x8) PROM, Signetics 27C64-20 (2) National Semiconductor NMC27C64Q (14), programmed need erasing, similar to FEC:1094265 or RS:415-1512 (DIP28) | 16 | £2.50 |  |
| MX16 | TMS27C64-20JL | 64Kb (8Kb x8) UV-Erasable EPROM, similar to FEC:1094265 or RS:714-7664 (DIP28) | 8 | £4.50 |  |
| A1220 | M27C256B-15 | 256Kb (32Kb x8) 150ns EPROM, similar to FEC:1125431 or RS:368-8928 (DIP28) | 4 | £5.50 |  |
| MG24 | M27C256B-12 | 256Kb (32Kb x8) 120ns EPROM, similar to FEC:3025147 or RS:368-8912 (DIP28) | 2 | £2.50 |  |
| MG10 | M29F040-90 | 4Mb (512Kb x8) single supply flash memory, similar to RS:387-944 (TSOP32) | 32 | £1.00 |  |
| MG10 | M29F040-90 | 4Mb (512Kb x8) single supply flash memory, similar to RS:387-944 (TSOP32) N.O.S. | 13 | £0.50 |  |
| MG29 | M48Z08-100 | 64Kb (8Kb x8) NV Ram, similar to FEC:9756418 or RS:189-2428 (DIP40) | 13 | £10.00 |  |
| MF2 | K6R1016C1C-JC15 | 1Mb (64Kb x16) Samsung K6R1016C1C-JC15 or Toshiba TC551664 RAM (SOJ44) | 10 | £1.50 |  |
| MX19 | TC5517AP | 16Kb (2Kb x8) General purpose CMOS static RAM Toshiba (DIP24) see MX20 | 1 | £5.00 |  |
| MX20 | CDM6116AC3 | 16Kb (2Kb x8) High reliability static RAM RCA (DIP24) see MX19 | 1 | £5.00 |  |
| Oscillators - Timers - Crystals |
| MZ1 | 1.0MHz crystal | 1.0MHz Crystal ACT HC-6/U | 1 | £2.00 |  |
| MA7 | 3.686MHz crystal | 3.686MHz crystal, similar to FEC:1538705 or RS:226-1538 (HC49/HC18U) | 26 | £0.75 |  |
| J2418 | 8.0MHz crystal | 8.0MHz 30ppm crystal, similar to FEC:9509526 (HC49/HC18U) | 180 | £0.50 |  |
| J2419 | 12.0MHz crystal | 12.0MHz 30ppm crystal (HC49/HC18U) | 184 | £0.45 |  |
| C2389 | 16.0Mhz EXO3 6A | 16.0MHz EXO3 6A oscillator module Kyocera Kinseki (DIP08) | 25 | £5.00 |  |
| B2416 | CP82C54 | CMOS programmable interval timer, similar to FEC:1018175 or RS:496-688 (DIP24) | 86 | £4.00 |  |
| F1956 | H6006A2 | Failsafe watchdog (DIP08) | 13 | £1.50 |  |
| MA3 | LK08000H | 8.0MHz oscillator module Hudson: Anglia:610015 (DIP14) | 66 | £1.00 |  |
| MF12 | NE555D | Single precision timer NE555D, similar to FEC:1737167 or RS:785-818A (SO08) | 98 | £0.10 |  |
| MA34 | NE556N | NE556N Dual timer, similar FEC:2349784 RS:528-416 (DIP14) | 27 | £0.20 |  |
| MX17 | ZN1034E | Precision timer RS:305-850 (DIP14) | 17 | £3.00 |  |
| Controllers - PLD - Microprocessors |
| MA2 | MC68008 | Motorola 16-Bit Microprocessor with 8-Bit data bus National Semiconductor (DIP48) | 5 | £20.00 |  |
| C2391 | MC68S711 | Microcontroller (MC68HC711), sealed in vacuum pack | 138 | £5.00 |  |
| C2415 | PPMC-103A | Stepper motor controller Sil-Walker Inc, sealed in vacuum pack (DIP40) | 45 | £12.50 |  |
| C2415 | PPMC-103A | Stepper motor controller Sil-Walker Inc (DIP40) | 214 | £10.00 |  |
| B2438 | PALCE16V8Q-25 | Programmable logic device 8 I/o 8 terms, similar to FEC:9699767 or RS:215-0539 (DIP20) | 521 | £2.50 |  |
| B2439 | PALCE22V10Q-25 | Programmable logic device 12 I/o 10 terms, similar to FEC:9699643 or RS:268-0462 (DIP24) | 120 | £3.00 |  |