27C256L-20R vs 27C256A-12 Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng 27C256L-20R sa pamamagitan ng WaferScale Integration at 27C256A-12 sa pamamagitan ng NEC. 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 | 27C256L-20R | 27C256A-12 |
|---|---|---|
| Brand | WaferScale Integration | NEC |
| Kategorya | EEPROM | Memory ICs |
| Katayuan ng Lifecycle | Obsolete | Obsolete |
| Laki ng Memory | 256 Kilobit | 256 Kbit (32K x 8) |
| Organisasyon | 32K x 8-bit | 32K x 8 |
| Uri ng Memory | CMOS EPROM (UV erasable) | UV EPROM |
| Access Time | 200 ns (-20 speed grade) | 120 ns |
| Volte ng Pagbibigay | Single +5 V with +/-10% tolerance | — |
| Standby Current | 20 uA typical (CMOS standby) | [DATA_NEEDED: standby current] |
| Active Current | [DATA_NEEDED: active supply current] | [DATA_NEEDED: active current] |
| Programming Scheme | 100% Flashrite programming | — |
| Pinout | JEDEC-approved 28-pin pinout | — |
| Address Lines | A0 to A14 (15 lines) | — |
| Data Lines | O0 to O7 (8 lines) | — |
| Control Signals | CE, OE, PGM/VPP | — |
| Temperature na Operasyon | [DATA_NEEDED: operating temperature range] | 0C to +70C (commercial) |
| Packhaging | 28-pin package (per JEDEC EPROM pinout) | 28-pin DIP |
| Uri ng Pagpapasok | Through-Hole | Through Hole |
| Tindminan RoHS | [DATA_NEEDED: RoHS compliance] | unknown |
| Erase Method | Ultraviolet light (UV EPROM) | Ultraviolet light |
| Technology | — | CMOS |
| Supply Voltage (VCC) | — | 5 V |
| Programming Voltage (VPP) | — | [DATA_NEEDED: programming voltage VPP] |
| Interface | — | Parallel |
| Katayuan ng Lifecycle | — | Obsolete (legacy product) |