| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| HT23C512 | CMOS 64Kx8-bit mask ROM | Holtek-Semiconductor-Inc- | DIP | 28 | -40°C | 85°C | 239 K |
| HT23C512 | CMOS 64Kx8-bit mask ROM | Holtek-Semiconductor-Inc- | SOP | 28 | -40°C | 85°C | 239 K |
| HT27C512 | OTP CMOS 64Kx8-bit EPROM | Holtek-Semiconductor-Inc- | DIP | 28 | 0°C | 70°C | 257 K |
| HT27C512 | OTP CMOS 64Kx8-bit EPROM | Holtek-Semiconductor-Inc- | PLCC | 28 | 0°C | 70°C | 257 K |
| HT27C512 | OTP CMOS 64Kx8-bit EPROM | Holtek-Semiconductor-Inc- | SOP | 28 | 0°C | 70°C | 257 K |
| HT27C512 | OTP CMOS 64Kx8-bit EPROM | Holtek-Semiconductor-Inc- | PLCC | 28 | 0°C | 70°C | 257 K |
| W27C512-12 | 64K*8 bits high speed, low power electrically erasable EPROM | Winbond-Electronics | - | 28 | 0°C | 70°C | 161 K |
| W27C512P-12 | 64K*8 bits high speed, low power electrically erasable EPROM | Winbond-Electronics | PLCC28 | 28 | 0°C | 70°C | 161 K |
| W27C512P-45 | 64K*8 bits high speed, low power electrically erasable EPROM | Winbond-Electronics | PLCC28 | 28 | 0°C | 70°C | 161 K |
| W27C512P-70 | 64K*8 bits high speed, low power electrically erasable EPROM | Winbond-Electronics | PLCC28 | 28 | 0°C | 70°C | 161 K |
| W27C512P-90 | 64K*8 bits high speed, low power electrically erasable EPROM | Winbond-Electronics | PLCC28 | 28 | 0°C | 70°C | 161 K |
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