27C256A-20 vs 27C256A-12 Comparación
Comparación detallada lado a lado de 27C256A-20 por Fujitsu y 27C256A-12 por NEC. 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-20 | 27C256A-12 |
|---|---|---|
| Marca | Fujitsu | NEC |
| Categoría | Memory ICs | Memory ICs |
| Estado del ciclo de vida | Obsolete | Obsolete |
| Estado del stock | In Stock | In Stock |
| Precio unitario (USD) | $8,20 | $2,52 |
| Tamaño de memoria | 256 Kbit | 256 Kbit (32K x 8) |
| Organización de memoria | 32K x 8 (32768 bytes) | 32K x 8 |
| Tipo de memoria | OTP EPROM (CMOS) | UV EPROM |
| 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) | — |
| Encapsulado | 28-pin DIP / PLCC (per ordering code) | 28-pin DIP |
| Tipo de montaje | Through Hole (DIP variant) | Through Hole |
| Technology | CMOS | CMOS |
| Temperatura de funcionamiento | [DATA_NEEDED: operating temperature range] | 0C to +70C (commercial) |
| Estado RoHS | [DATA_NEEDED: RoHS status] | unknown |
| Access Time | — | 120 ns |
| Supply Voltage (VCC) | — | 5 V |
| Programming Voltage (VPP) | — | [DATA_NEEDED: programming voltage VPP] |
| Interfaz | — | Parallel |
| Erase Method | — | Ultraviolet light |
| Standby Current | — | [DATA_NEEDED: standby current] |
| Active Current | — | [DATA_NEEDED: active current] |
| Estado del ciclo de vida | — | Obsolete (legacy product) |