| nr | name | cat | description | manufacturer | 
| 28 | SX-28 |  | 50 MHz near to PIC16C5x, pinout | Scenix | 
| 28 | SX-28_SSOP |  | Microcontroller, pinout | Scenix | 
| 28 | SX28AC |  | 50 MHZ Micro-controller, pinout | Scenix | 
| 28 | SX28DP |  | 50 MHZ Micro-controller, pinout | Scenix | 
| 28 | SX28SO |  | 50 MHZ Micro-controller, pinout | Scenix | 
| 28 | SX28SS |  | 50 MHZ Micro-controller, pinout | Scenix | 
| 280 |  | mpu | MPU | Zilog | 
| 280 | AD280 | adc | Universal Multichannel Industrial Signal Conditioning ADC, data | AD | 
| 280 | AD2S80A | adc | Variable Resolution, Monolithic Resolver-to-Digital Converter, data | AD | 
| 280 | MAX280 |  | 5th order, 0dc error,lowpass filter, pinout | maxim | 
| 280 | TCA280B |  | General purpose triggering circuit DIL16 | Philips | 
| 280 | tca280a | motor | Phase control DIP16 | 
| 2800 |  | dram | 256k*1 DRAM | Inmos | 
| 2800 | MM2800 | dram | 256k*1 DRAM | NMBS | 
| 2800 | TBA2800 | amp | IR Remote Control Preamplifier  , data (shtml needed) | Micronas | 
| 28001 | 28F001 |  | 128kx8 Boot Block Flash Memory, pinout | Intel | 
| 28001 | n28f001bx-t150 | flash | ram flash plcc32 | NS | 
| 2801 |  | ? | PSTN Signal Port | AD* | 
| 2801 |  | dram | 256k*1 DRAM | Inmos | 
| 28010 |  | eeprom,flash | 128k*8 Flash EEPROM | AMD*, Catalyst | 
| 28010 | 28F010 | eeprom,flash | 128k*8 FPROM 12V 150ns | 
| 28010 | X28C010 | eeprom,flash | 128k*8 5V, byte alterable EEPROM, Data | Xicor* | 
| 28010 | X28HT010 | eeprom,flash | 128k*8 5V, byte alterable EEPROM (high temperature), Data | Xicor* | 
| 28010 | XM28C010 | eeprom,flash | 128k*8 5V, byte alterable EEPROM module, Data | Xicor* | 
| 28016 | 28F016 | eeprom,flash | 2m*8/1m*16 FPROM 70ns | Intel | 
| 2802 |  | radio | Voiceband Signal Port | AD* | 
| 28020 |  | flash | 256k*8 Flash EEPROM | AMD*, Catalyst | 
| 28020 | 28F020 | eeprom,flash | 256k*8 FPROM 12V 150ns | 
| 28020 | XM28C020 | eeprom,flash | 256k*8 5V, byte alterable EEPROM module, Data | Xicor* | 
| 2803 | ULN2803 | driver | 8-bit 50V 500mA TTL-input NPN darlington driver, pinout | 
| 28032 | 28F032 | eeprom,flash | 4m*8/2m*16 FPROM | Intel | 
| 2804 |  | eeprom,flash | 512*8 NMOS* EEPROM | Exel, MicroChip, Seeq, Xicor | 
| 2804 | 2804 | eeprom,flash | 512*8 EEPROM, pinout | 
| 2804 | ULN2804A |  | DRIVER, pinout | SGS | 
| 2804 | X2804A | eeprom,flash | 512*8 5V, byte alterable EEPROM, | Xicor* | 
| 2804 | X2804C |  | 5 volt, Byte Alterable E2PROM, pinout | XICOR | 
| 2804 | X2804C | eeprom,flash | 512*8 5V, byte alterable EEPROM, Data | Xicor* | 
| 28040 | Am28F040 | eeprom,flash | 512k*8 FPROM 5V | AMD | 
| 28040 | XM28C040 | eeprom,flash | 512k*8 5V, byte alterable EEPROM module, Data | Xicor* | 
| 281 | MAX281 |  | Bessel 5th order, 0dc error,lowpass filter, pinout | maxim | 
| 281 | MDC281 | cpu | See 1750 | McDonnel-Douglas | 
| 281 | OP281 | amp | Ultralow Power, Rail-to-Rail Output Operational Amplifiers, data | AD | 
| 281 | SW281 | switch | DPDT Switch 4 GHz (2 x om) ceramic FP16 | order from Barend | 
| 281 | TBA281 |  | = CA723C | Philips | 
| 281000 | MX28F1000 | flash | Flash Memory, 1Mb, 8-Bit, CMOS* | 
| 2811 | HT-2811 | sound | Door Bell, Ding Dong | Holtek* | 
| 2812 | HT-2812 | sound | Sound Generator | Holtek* | 
| 2813 | HT-2813 | sound | Sound Generator | Holtek* | 
| 2814 | DAC2814 | dac,spi | DAC, 12-bit 2-channel with on-chip reference | BB | 
| 2814 | MCM2814 | eeprom,spi | 2Kbit EEPROM | Motorola | 
| 2816 |  | eeprom | 2k*8 NMOS* EEPROM | many | 
| 2816 | 2816 | eeprom | 2k*8 EEPROM, pinout | 
| 2816 | 2816A | eeprom | EEPROM normal algorithm, 10msVpp=5.0V, Vcc*=5.0V | Intel, Xicor | 
| 2816 | 2816A | eeprom | EEPROM quick-pulse algorithm Vpp*=5.0V, Vcc*=5.0V | Oki | 
| 2816 | 2816AH | eeprom | EEPROM normal algorithm, 5ms Vpp*=5.0V, Vcc*=5.0V | Seeq | 
| 2816 | X2816A | eeprom | 2k*8 5V, byte alterable EEPROM, | Xicor* | 
| 2816 | X2816B | eeprom | 2k*8 5V, byte alterable EEPROM, | Xicor* | 
| 2816 | X2816C |  | 5 volt, byte alteralbe E2PROM, pinout | XICOR | 
| 2816 | X2816C | eeprom | 2k*8 5V, byte alterable EEPROM, Data | Xicor* | 
| 2817 |  | eeprom | 2k*8 NMOS* EEPROM, pinout | many | 
| 2817 | 2817A | eeprom | EEPROM normal algorithm, 10msVpp=5.0V, Vcc*=5.0V | 
| 2817 | 2817A | eeprom | EEPROM normal algorithm, 5ms Vpp*=5.0V, Vcc*=5.0V | Exel, Intel, Seeq | 
| 2817 | 2817AH | eeprom | EEPROM normal algorithm, 5ms Vpp*=5.0V, Vcc*=5.0V | Seeq | 
| 282 | OP282 | amp | Dual*/Quad* Low Power, High Speed JFET Operational Amplifiers, data | AD | 
| 28200 | byv28-200 | diode | diode u/fast 200v/3.5a | Philips | 
| 2821 | HT-2821 | sound | 2 Sound Generator | Holtek* | 
| 2821 | MB2821 | ff | dual 10-bit D-type flip-flop | Philips | 
| 2822 | HT-2822 | sound | 2 Sound Generator | Holtek* | 
| 2822 | TDA2822M |  | 0.5 Watt dual audio amp, pinout | SGS-Thomson | 
| 2823 | MB2823 | ff | dual 9-bit D-type flip-flop | Philips | 
| 28256 |  | flash,eeprom | 32k*8 Flash EEPROM | AMD*, Catalyst, Seeq, Xicor | 
| 28256 | 28256 | flash,eeprom | 32k*8 EEPROM | 
| 28256 | 28C256 | eprom | Eprom 32K x 8 | order from Barend | 
| 28256 | 28F256 |  | 32k x 8 flash rom, pinout | intel | 
| 28256 | 28F256 | flash,eeprom | 32k*8 FPROM 12V | 
| 28256 | X28256 | flash,eeprom | 32k*8 5V, byte alterable EEPROM, | Xicor* | 
| 28256 | X28C256 | flash,eeprom | 32k*8 5V, byte alterable EEPROM, Data | Xicor* | 
| 28256 | X28HC256 | flash,eeprom | 32k*8 5V, byte alterable EEPROM (high speed), Data | Xicor* | 
| 28256 | X28VC256 | flash,eeprom | 32k*8 5V, byte alterable EEPROM (very high speed), Data | Xicor* | 
| 2827 | MB2827 | driver | dual 10-bit buffer/line driver | Philips | 
| 283 | AD2S83 |  | Variable Resolution Resolver-to-Digital Converter, data | AD | 
| 283 | OP283 | amp | Dual* 5 MHz Single-Supply Operational Amplifiers, data | AD | 
| 2830 | HT-2830 | sound | Tone Generator, up/down | Holtek* | 
| 2830 | MC2830 | switch | voice activated switch | Motorola | 
| 2831 | MC2831 | radio | low power FM* xmit | Motorola | 
| 2832 | MC2832 | radio | low power FM* xmit | Motorola | 
| 2833 | MC2833 | tv | HF/VHF transmitter, many on-chip functions, applics available in DIL or SMD | order from Barend | 
| 284 | OP284 | amp | Dual* Precision Rail-to-Rail Input & Output Operational Amplifier, data | AD | 
| 28400 | PA28F400BVT-80 | flash | $6.50 (1997) 4 MB FLASH MEMORY | Intel | 
| 28400 | TE28F400CVT-80 | flash | $6.50 (1997) 4 MB FLASH MEMORY | Intel | 
| 284001 | MT28F400B1 |  | Boot Block Flash Memory, pinout | Micron Technology, Inc. | 
| 2841 | MB2841 | bus | dual 10-bit bus interface latch | Philips | 
| 2843 | HT-2843A | sound | 4 Sound Generator, 5 LED Flash | Holtek* | 
| 2843 | UC2843 | pwm | PWM chip (power supply) | order from Barend | 
| 2844 | HT-2844 | sound | 4 Sound Generator | Holtek* | 
| 285 | LM285-1_2 |  | Voltage Reference Diode, pinout |  | 
| 285 | OP285 | amp | Dual*, 9 MHz Precision Operational Amplifier, data | AD | 
| 28512 |  | eeprom,flash | 64k*8 Flash EEPROM | AMD*, Catalyst | 
| 28512 | 28F512 |  | Flash EEPROM, pinout | Intel, AMD | 
| 28512 | 28F512 | eeprom,flash | 64k*8 FPROM 12V | 
| 28512 | X28C512 | eeprom,flash | 64k*8 5V, byte alterable EEPROM, Data | Xicor* | 
| 28512 | X28HT512 | eeprom,flash | 64k*8 5V, byte alterable EEPROM (high temperature), Data | Xicor* | 
| 28512 | X28LC512 | eeprom,flash | 64k*8 3.3V, byte alterable EEPROM, Data | Xicor* | 
| 28513 | X28C513 | eeprom,flash | 64k*8 5V, byte alterable EEPROM, Data | Xicor* | 
| 28513 | X28LC513 | eeprom,flash | 64k*8 3.3V, byte alterable EEPROM, Data | Xicor* | 
| 2852 | PML2852-35 | pl | CMOS* programmable macro logic (EPLD) | Philips | 
| 2852 | PML2852-50 | pl | CMOS* programmable macro logic (EPLD) | Philips | 
| 28564 | SN28564 | radio? | RC receiver | TI | 
| 2860 | HT-2860 | sound | 6 Sound Generator | Holtek* | 
| 2861 | MB2861 | xcvr | dual 10-bit bus transceiver | Philips | 
| 2863 | MB2863 | xcvr | dual 9-bit bus transceiver | Philips | 
| 2864 |  | eeprom | 8k*8 EEPROM | many | 
| 2864 | 2864 | eeprom | 8k*8 EEPROM, pinout | 
| 2864 | 2864A | eeprom | EEPROM normal algorithm, 10msVpp=5.0V, Vcc*=5.0V | 
| 2864 | 2864A | eeprom | EEPROM normal algorithm, 5ms Vpp*=5.0V, Vcc*=5.0V | Exel, Intel, Xicor, VTI | 
| 2864 | Am2864A | eeprom | EEPROM 8192*B-Bit Electrically Erasable PROM* | AMD | 
| 2864 | X2864A | eeprom | 8k*8 5V, byte alterable EEPROM, | Xicor* | 
| 2864 | X2864B | eeprom | 8k*8 5V, byte alterable EEPROM, | Xicor* | 
| 2864 | X28C64 |  | EEPROM, pinout | Xicor | 
| 2864 | X28C64 | eeprom | 8k*8 5V, byte alterable EEPROM, Data | Xicor* | 
| 2864 | X28HC64 |  | 5 volt byte alterable E2PROM, pinout | XICOR | 
| 2864 | X28HC64 | eeprom | 8k*8 5V, byte alterable EEPROM (very high speed), Data | Xicor* | 
| 2865 |  | eeprom | 8k*8 EEPROM | many | 
| 2880 | HT-2880 | sound | 8 Sound Generator | Holtek* | 
| 2881 | HT-2881A | sound | 8 Sound Generator | Holtek* | 
| 2883 | HT-2883 | sound | 8 Sound Generator | Holtek* | 
| 2884 | HT-2884 | sound | 8 Sound Generator with 5 LED outputs | Holtek* | 
| 2885 | HT-2885 | sound | 8 Sound Generator | Holtek* | 
| 289 | SW289 | switch | DPDT Switch 2 GHz (2 x om) SO16 | order from Barend |