| nr | name | cat | description | manufacturer | 
| 275 | DS275 | xcvr | Line-Powered RS-232 Transceiver Chip, PS (224 Kb) | Dallas* | 
| 275 | OP275 | amp | Dual* Bipolar/JFET, Audio Operational Amplifier, data | AD | 
| 2751 | MK2751 | clock,video | MPEG with zero ppm audio, AuraVision and C-Cube support. In 16 pin narrow SOIC | MicroClock* | 
| 27512 |  | eprom | 64k*8 EPROM*, pinout | many | 
| 27512 | 27512 | eprom | EPROM* intelligent algorithm Vpp*=12.5V, Vcc*=6.0V | 
| 27512 | 27512 | eprom | EPROM* intelligent algorithm Vpp*=12.5V, Vcc*=6.0V | Hitachi, Intel, Mitsubishi | 
| 27512 | 27512 | eprom | EPROM* intelligent algorithm Vpp*=13.0V, Vcc*=6.0V | AMD | 
| 27512 | 27512 | eprom | EPROM* quick-pulse algorithm Vpp*=12.75V, Vcc*=6.25V | Fujitsu, Oki | 
| 27512 | 27512 | eprom | 64k*8 EPROM* 250ns | 
| 27512 | 27512 | eprom | pinout | 
| 27512 | 27512AC | eprom | EPROM* quick-pulse algorithm Vpp*=12.75V, Vcc*=6.25V | NEC | 
| 27512 | 27512AD | eprom | EPROM* quick-pulse algorithm Vpp*=12.75V, Vcc*=6.25V | NEC | 
| 27512 | 27512D | eprom | EPROM* quick-pulse algorithm Vpp*=12.75V, Vcc*=6.25V | Toshiba | 
| 27512 | 27512DI | eprom | EPROM* quick-pulse algorithm Vpp*=12.75V, Vcc*=6.25V | Toshiba | 
| 27512 | 27C512 | eprom | EPROM* intelligent algorithm Vpp*=12.5V, Vcc*=6.0V | TI | 
| 27512 | 27C512 | eprom | EPROM* interactive algorithm Vpp*=13.0V, Vcc*=6.0V | NS | 
| 27512 | 27C512 | eprom | Eprom | order from Barend | 
| 27512 | 27C512 | eprom | 64k*8 EPROM* 200ns | 
| 27512 | 27C512A | eprom | EPROM* interactive algorithm Vpp*=12.5V, Vcc*=6.0V | NS | 
| 27512 | Am27512 | prom | 64k*8 Erasable PROM* | AMD | 
| 27512 | Am27512DC | eprom | 64k*8 EPROM* 250ns | 
| 27512 | Am27C512-250DC | eprom | 64k*8 EPROM* 250ns | 
| 27512 | CY27C512 | eprom | 64k*8 CMOS* EPROM*, Data | Cypress* | 
| 27512 | CY27H512 | eprom | 64k*8 High-Speed CMOS* EPROM*, Data | Cypress* | 
| 27512 | HT27C512_DIPSOP32 | memory | OTP* CMOS* 64Kx8-Bit EPROM*, pinout | Holtek | 
| 27512 | HT27C512_PLCC32 | memory | OTP* CMOS* 64Kx8-Bit EPROM*, pinout | Holtek | 
| 27512 | HT27LC512_DIPSOP32 | memory | OTP* CMOS* 64Kx8-Bit EPROM*, pinout | Holtek | 
| 27512 | HT27LC512_PLCC32 | memory | OTP* CMOS* 64Kx8-Bit EPROM*, pinout | Holtek | 
| 27512 | M27C512 | eprom | Standard 512kbit EPROM*, us.st.com/stonline/books/ascii/docs/2387.htm | 
| 27512 | P27512 | eprom | EPROM* quick-pulse algorithm Vpp*=12.75V, Vcc*=6.25V | Intel | 
| 27512 | TMS27C512JL | eprom | 64k*8 EPROM* 200ns? | 
| 27513 |  | eprom | 4*16k*8 NMOS* EPROM* | Intel | 
| 275133 | mk275133 |  | www.icst.com/pdf/mk275133.pdf | ICS* | 
| 2752 | MK2752 | clock,video | for ESS MPEG. Has 27, 13.5, 33MHz and selectable audio clock. In 16 pin narrow SOIC | MicroClock* | 
| 2753 | MK2753 | clock,video | for ESS MPEG. Has 27, 13.5, 33MHz and selectable audio clock. In 16 pin narrow SOIC | MicroClock* | 
| 2754 | mk2754 |  | www.icst.com/pdf/mk2754.pdf | ICS* | 
| 2758 |  | eprom | 1k*8 NMOS* EPROM* | Intel, NS | 
| 2758 | 2758 | eprom | 1k*8 EPROM* 450ns 5V |