27C256A-12 vs 27C256A-20 Comparaison
Comparaison détaillée côte à côte de 27C256A-12 par NEC et 27C256A-20 par Fujitsu. Comparez les spécifications clés, les paramètres électriques, le conditionnement, le statut de cycle de vie, les prix et la disponibilité pour déterminer le meilleur composant pour vos exigences de conception.
Comparaison des spécifications
| Paramètre | 27C256A-12 | 27C256A-20 |
|---|---|---|
| Marque | NEC | Fujitsu |
| Catégorie | Memory ICs | Memory ICs |
| Statut du cycle de vie | Obsolete | Obsolete |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (USD) | $2,52 | $8,20 |
| Type de mémoire | UV EPROM | OTP EPROM (CMOS) |
| Technology | CMOS | CMOS |
| Taille de mémoire | 256 Kbit (32K x 8) | 256 Kbit |
| Organisation de la mémoire | 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] | — |
| Interface | Parallel | — |
| Température de fonctionnement | 0C to +70C (commercial) | [DATA_NEEDED: operating temperature range] |
| Boîtier | 28-pin DIP | 28-pin DIP / PLCC (per ordering code) |
| Type de montage | Through Hole | Through Hole (DIP variant) |
| Erase Method | Ultraviolet light | — |
| Standby Current | [DATA_NEEDED: standby current] | — |
| Active Current | [DATA_NEEDED: active current] | — |
| Statut RoHS | unknown | [DATA_NEEDED: RoHS status] |
| Statut du cycle de vie | Obsolete (legacy product) | — |
| Maximum Access Time | — | 200 ns (-20 speed grade) |
| Tension d'alimentation | — | 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) |