27C256A-12 vs 27C256A-20 Comparación
Comparación detallada lado a lado de 27C256A-12 por NEC y 27C256A-20 por Fujitsu. Compare las especificaciones clave, los parámetros eléctricos, el encapsulado, el estado del ciclo de vida, los precios y la disponibilidad para determinar el mejor componente para los requisitos de su diseño.
Comparación de especificaciones
| Parámetro | 27C256A-12 | 27C256A-20 |
|---|---|---|
| Marca | NEC | Fujitsu |
| Categoría | Memory ICs | Memory ICs |
| Estado del ciclo de vida | Obsolete | Obsolete |
| Estado del stock | In Stock | In Stock |
| Precio unitario (USD) | $2,52 | $8,20 |
| Tipo de memoria | UV EPROM | OTP EPROM (CMOS) |
| Technology | CMOS | CMOS |
| Tamaño de memoria | 256 Kbit (32K x 8) | 256 Kbit |
| Organización de memoria | 32K x 8 | 32K x 8 (32768 bytes) |
| Access Time | 120 ns | — |
| Supply Voltage (VCC) | 5 V | — |
| Programming Voltage (VPP) | [DATA_NEEDED: programming voltage VPP] | — |
| Interfaz | Parallel | — |
| Temperatura de funcionamiento | 0C to +70C (commercial) | [DATA_NEEDED: operating temperature range] |
| Encapsulado | 28-pin DIP | 28-pin DIP / PLCC (per ordering code) |
| Tipo de montaje | Through Hole | Through Hole (DIP variant) |
| Erase Method | Ultraviolet light | — |
| Standby Current | [DATA_NEEDED: standby current] | — |
| Active Current | [DATA_NEEDED: active current] | — |
| Estado RoHS | unknown | [DATA_NEEDED: RoHS status] |
| Estado del ciclo de vida | Obsolete (legacy product) | — |
| Maximum Access Time | — | 200 ns (-20 speed grade) |
| Tensión de alimentación | — | 5 V single supply |
| Address Lines | — | A0 to A14 (15 lines) |
| Data Lines | — | O0 to O7 (8-bit, tri-state) |
| Control Signals | — | CE, OE, PGM |
| Standby Mode | — | Static standby (low-power deselect) |
| Programming Method | — | Fast single address location programming |
| Output Compatibility | — | TTL-compatible |
| Erasability | — | One-Time Programmable (no window) |