27C256A-12 vs 27C256A-20 Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng 27C256A-12 sa pamamagitan ng NEC at 27C256A-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 | 27C256A-20 |
|---|---|---|
| Brand | NEC | Fujitsu |
| Kategorya | Memory ICs | Memory ICs |
| Katayuan ng Lifecycle | Obsolete | Obsolete |
| Uri ng Memory | UV EPROM | OTP EPROM (CMOS) |
| Technology | CMOS | CMOS |
| Laki ng Memory | 256 Kbit (32K x 8) | 256 Kbit |
| Organisasyon | 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 | — |
| Temperature na Operasyon | 0C to +70C (commercial) | [DATA_NEEDED: operating temperature range] |
| Packhaging | 28-pin DIP | 28-pin DIP / PLCC (per ordering code) |
| Uri ng Pagpapasok | Through Hole | Through Hole (DIP variant) |
| Erase Method | Ultraviolet light | — |
| Standby Current | [DATA_NEEDED: standby current] | — |
| Active Current | [DATA_NEEDED: active current] | — |
| Tindminan RoHS | unknown | [DATA_NEEDED: RoHS status] |
| Katayuan ng Lifecycle | Obsolete (legacy product) | — |
| Maximum Access Time | — | 200 ns (-20 speed grade) |
| Volte ng Pagbibigay | — | 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) |