| Rochester Electronics | 27128A-20/B by Rochester Electronics. | 50.338 | $50.50 | ACTIVE | |
| Rochester Electronics | 27C010-120DI by Rochester Electronics, featuring 1Mb (128K x 8) memory, 4.5V ~ 5.5V supply voltage, in 32-CDIP (0.600", 15.24mm) package, rated for -40°C ~ 85°C (TA). | 1.840 | $61.53 | ACTIVE | |
| Rochester Electronics | 27C010-55DM/B by Rochester Electronics, featuring 1Mb (128K x 8) memory, 4.5V ~ 5.5V supply voltage, in 32-CDIP (0.600", 15.24mm) package. | 2.637 | $202.92 | ACTIVE | |
| Rochester Electronics | 27C128-12MD by Rochester Electronics, featuring 128Kb (16K x 8) memory, 4.5V ~ 5.5V supply voltage, rated for 0°C ~ 70°C (TA). | 4.968 | $85.05 | ACTIVE | |
| Rochester Electronics | 27C128-15 by Rochester Electronics, featuring 128Kb (16K x 8) memory, 4.5V ~ 5.5V supply voltage, rated for 0°C ~ 70°C (TA). | 1.514 | $13.14 | ACTIVE | |
| Microchip | 27C128-15/P061 by Microchip, featuring 128Kbit memory, 4.5V ~ 5.5V supply voltage, in 28-DIP (0.600", 15.24mm) package, rated for 0°C ~ 70°C (TA). | 20.673 | $0.9000 | ACTIVE | |
| Rochester Electronics | 27C128-15I/K by Rochester Electronics, featuring 128Kb (16K x 8) memory, 4.5V ~ 5.5V supply voltage, rated for -40°C ~ 85°C (TA). | 1.616 | $6.16 | ACTIVE | |
| Rochester Electronics | 27C128-20/UC by Rochester Electronics, featuring 128Kb (16K x 8) memory, 4.5V ~ 5.5V supply voltage, rated for 0°C ~ 70°C (TA). | 1.595 | $37.50 | ACTIVE | |
| Rochester Electronics | 27C128-30MD by Rochester Electronics, featuring 128Kb (16K x 8) memory, 4.5V ~ 5.5V supply voltage, rated for -55°C ~ 125°C (TA). | 1.654 | $76.91 | ACTIVE | |
| Rochester Electronics | 27C16Q55/B by Rochester Electronics, featuring 16Kb (2K x 8) memory, 4.5V ~ 5.5V supply voltage, in 24-DIP (0.600", 15.24mm) Window package, rated for -55°C ~ 125°C (TA). | 1.571 | $71.48 | ACTIVE | |
| Microchip | 27C256-15/P259 by Microchip, featuring 256Kbit memory, 4.5V ~ 5.5V supply voltage, in 28-DIP (0.600", 15.24mm) package, rated for 0°C ~ 70°C (TA). | 20.701 | $0.9000 | ACTIVE | |
| Rochester Electronics | 27C256-17/J by Rochester Electronics, featuring 256Kb (32K x 8) memory, 4.5V ~ 5.5V supply voltage, rated for 0°C ~ 70°C (TA). | 1.654 | $3.35 | ACTIVE | |
| Rochester Electronics | 27C256-20/P229 by Rochester Electronics, featuring 256Kb (32K x 8) memory, 4.5V ~ 5.5V supply voltage, in 28-DIP (0.600", 15.24mm) package, rated for 0°C ~ 70°C (TA). | 49.017 | $0.9000 | ACTIVE | |
| Rochester Electronics | 27C256-20/P230 by Rochester Electronics, featuring 256Kb (32K x 8) memory, 4.5V ~ 5.5V supply voltage, in 28-DIP (0.600", 15.24mm) package, rated for 0°C ~ 70°C (TA). | 24.677 | $0.9000 | ACTIVE | |
| Rochester Electronics | 27C256-20B/XA by Rochester Electronics, featuring 256Kb (32K x 8) memory, 4.5V ~ 5.5V supply voltage, rated for 0°C ~ 70°C (TA). | 1.948 | $42.51 | ACTIVE | |
| Rochester Electronics | 27C256-25/SO277 by Rochester Electronics, featuring 256Kb (32K x 8) memory, 4.5V ~ 5.5V supply voltage, in 28-SOIC (0.295", 7.50mm Width) package, rated for 0°C ~ 70°C (TA). | 3.114 | $2.95 | ACTIVE | |
| Rochester Electronics | 27C256-25I/L268 by Rochester Electronics, featuring 256Kb (32K x 8) memory, 4.5V ~ 5.5V supply voltage, in 32-LCC (J-Lead) package, rated for -40°C ~ 85°C (TA). | 6.248 | $1.90 | ACTIVE | |
| Rochester Electronics | 27C256T-20/L271 by Rochester Electronics, featuring 256Kb (32K x 8) memory, 4.5V ~ 5.5V supply voltage, in 32-LCC (J-Lead) package, rated for 0°C ~ 70°C (TA). | 41.383 | $1.67 | ACTIVE | |
| Rochester Electronics | 27C512-12/L092 by Rochester Electronics, featuring 512Kb (64K x 8) memory, 4.5V ~ 5.5V supply voltage, in 32-LCC (J-Lead) package, rated for 0°C ~ 70°C (TA). | 3.144 | $2.83 | ACTIVE | |
| Rochester Electronics | 27C512-12/L093 by Rochester Electronics, featuring 512Kb (64K x 8) memory, 4.5V ~ 5.5V supply voltage, in 32-LCC (J-Lead) package, rated for 0°C ~ 70°C (TA). | 3.378 | $2.83 | ACTIVE | |