27C256A-12 vs 27C512-20 Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng 27C256A-12 sa pamamagitan ng NEC at 27C512-20 sa pamamagitan ng Fujitsu. Ikinahambing ang mga pangunahing paglalarawan, mga tama ng elektriko, paakay, kalagayan ng buhay, presyo, at pagkakaroon upang makita ang pinakamahusay na komponente para sa iyong mga kinakailangang pang disenyo.
Pagsanggunian na paghahambing
| Parametro | 27C256A-12 | 27C512-20 |
|---|---|---|
| Brand | NEC | Fujitsu |
| Kategorya | Memory ICs | Memory ICs |
| Katayuan ng Lifecycle | Obsolete | Obsolete |
| Uri ng Memory | UV EPROM | UV EPROM |
| Technology | CMOS | CMOS |
| Laki ng Memory | 256 Kbit (32K x 8) | — |
| Organisasyon | 32K x 8 | 64K x 8 |
| Access Time | 120 ns | — |
| Supply Voltage (VCC) | 5 V | 5 V |
| Programming Voltage (VPP) | [DATA_NEEDED: programming voltage VPP] | [DATA_NEEDED: VPP voltage] |
| Interface | Parallel | Parallel |
| Temperature na Operasyon | 0C to +70C (commercial) | [DATA_NEEDED: operating temperature range] |
| Packhaging | 28-pin DIP | CQCC32 / LCC32 (ceramic, UV window) |
| Uri ng Pagpapasok | Through Hole | Surface Mount |
| Erase Method | Ultraviolet light | Ultraviolet light |
| Standby Current | [DATA_NEEDED: standby current] | [DATA_NEEDED: standby current] |
| Active Current | [DATA_NEEDED: active current] | — |
| Tindminan RoHS | unknown | — |
| Katayuan ng Lifecycle | Obsolete (legacy product) | — |
| Density | — | 512 Kbit (524,288 bits) |
| Maximum Access Time | — | 200 ns |
| Outputs | — | 3-state |
| Operation | — | Asynchronous |
| Word Size | — | 8 bit |
| Address Count | — | 65,536 words |