| nr | name | cat | description | manufacturer | 
| 270 | OP270 | amp | Dual* Very Low Noise Precision Operational Amplifier, data | AD | 
| 2700 |  | sram | 256-Bit Low-Power Schottky Bipolar RAM | AMD* | 
| 2700 |  | volt | Precision +10.000V Reference | Catalyst | 
| 2700 | AD2700 | dac | +10 Volt Precision Reference, 3 ppm/deg C | Maxim* | 
| 2700 | AD2700 | volt | volt ref 10V | AD | 
| 2701 |  | sram | 256-Bit Low-Power Schottky Bipolar RAM | AMD* | 
| 2701 |  | volt | Precision +10.000V Reference | Catalyst | 
| 2701 | AD2701 | dac | -10 Volt Precision Reference, 3 ppm/deg C | Maxim* | 
| 2701 | AD2701 | volt | volt ref -10V | AD | 
| 27010 |  | eprom | 128k*8 CMOS* EPROM* | NS | 
| 27010 | 27010 | eprom | EPROM* intelligent algorithm Vpp*=12.5V, Vcc*=6.0V | 
| 27010 | 27010 | eprom | EPROM* quick-pulse algorithm Vpp*=12.75V, Vcc*=6.25V | Intel | 
| 27010 | 27010-200V05 | eprom | 128k*8 EPROM* 32 pin | Intel | 
| 27010 | 27C010 |  | 128x8 EPROM*, pinout | Cypress, Intel | 
| 27010 | CY27C010 | eprom | 128k*8 CMOS* EPROM*, Data | Cypress* | 
| 27010 | CY27H010 | eprom | 128k*8 High-Speed CMOS* EPROM*, Data | Cypress* | 
| 27010 | HT27C010_DIPSOP32 | memory | OTP* CMOS* 128Kx8-Bit EPROM*, pinout | Holtek | 
| 27010 | HT27C010_PLCC32 | memory | OTP* CMOS* 128Kx8-Bit EPROM*, pinout | Holtek | 
| 27010 | HT27LC010_DIPSOP32 | memory | OTP* CMOS* 128Kx8-Bit EPROM*, pinout | Holtek | 
| 27010 | HT27LC010_PLCC32 | memory | OTP* CMOS* 128Kx8-Bit EPROM*, pinout | Holtek | 
| 27010 | TMS27C010-25 | eprom | 128k*8 EPROM* 32 pin | TI | 
| 27011 |  | eprom | 8*16k*8 NMOS* EPROM* | Intel | 
| 27011 | 27011 | eprom | EPROM* intelligent algorithm Vpp*=12.5V, Vcc*=6.0V | 
| 2702 |  | sram | 64-Bit Schottky Bipolar RAM, pinout | AMD* | 
| 2702 | AD2702 | volt | volt ref +/- 10V | AD | 
| 27020 | 27C020 | eprom | 256k*8 EPROM* | 
| 27020 | CY27C020 | eprom | 256k*8 CMOS* EPROM*, Data | Cypress* | 
| 27020 | HT27C020_DIPSOP32 | memory | OTP* CMOS* 256Kx8-Bit EPROM*, pinout | Holtek | 
| 27020 | HT27C020_PLCC32 | memory | OTP* CMOS* 256Kx8-Bit EPROM*, pinout | Holtek | 
| 27020 | HT27LC020_DIPSOP32 | memory | OTP* CMOS* 256Kx8-Bit EPROM*, pinout | Holtek | 
| 27020 | HT27LC020_PLCC32 | memory | OTP* CMOS* 256Kx8-Bit EPROM*, pinout | Holtek | 
| 2703 |  | sram | 64-Bit Schottky Bipolar RAM, pinout | AMD* | 
| 2703 | mk2703 |  | www.icst.com/pdf/mk2703.pdf | ICS* | 
| 27040 | 27C040 |  | 512kx8 CMOS* EPROM*, pinout | AMD | 
| 27040 | 27C040 | eprom | 512k*8 EPROM* | 
| 27040 | CY27C040 | prom | 512k*8 CMOS* EPROM*, Data | Cypress* | 
| 2705 | PMB2705-F | telecom | GSM One Chip Logic Device (GOLD) (SMD) | Siemens | 
| 2705 | PMB2705-H | telecom | GSM One Chip Logic Device (GOLD) (SMD) | Siemens | 
| 2706 |  | sram | 64-Bit Noninverting Bipolar RAM | AMD* | 
| 2706 | PMB2706-F | telecom? | GOLD System controller (GOLD-uC) (SMD) | Siemens | 
| 2707 |  | sram | 64-Bit Noninverting Bipolar RAM, pinout | AMD* | 
| 2707 | PMB2707-F | telecom? | GOLD Signal Processor (GOLD-SP) (SMD) | Siemens | 
| 2708 | 2708 | eprom | 1k*8 EPROM* 450ns 3 supply pinout | 
| 27080 | 27L080 | eprom | 1024k*8 EPROM* | Atmel |