27C256A-12 vs 27C256A-20 Pengandingan
Pengandingan Sisi Kiri Sisi Kanan Terperinci 27C256A-12 disebabkan oleh NEC dan 27C256A-20 disebabkan oleh Fujitsu. Bandingkan spesifikasi utama, parameter elektrik, pakej, status kehidupan, harga, dan keupayaan untuk menentukan komponen terbaik untuk keperluan disenjaya anda.
Pengandingan Spesifikasi
| Parametr | 27C256A-12 | 27C256A-20 |
|---|---|---|
| Merek | NEC | Fujitsu |
| Kategori | Memory ICs | Memory ICs |
| Status Lingkungan Hidup | Obsolete | Obsolete |
| Jenis Ingatan | UV EPROM | OTP EPROM (CMOS) |
| Technology | CMOS | CMOS |
| Saiz Ingatan | 256 Kbit (32K x 8) | 256 Kbit |
| Organisasi | 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] | — |
| Antaramuka | Parallel | — |
| Suhu Operasi | 0C to +70C (commercial) | [DATA_NEEDED: operating temperature range] |
| Kemasan | 28-pin DIP | 28-pin DIP / PLCC (per ordering code) |
| Jenis Pemasangan | Through Hole | Through Hole (DIP variant) |
| Erase Method | Ultraviolet light | — |
| Standby Current | [DATA_NEEDED: standby current] | — |
| Active Current | [DATA_NEEDED: active current] | — |
| Status RoHS | unknown | [DATA_NEEDED: RoHS status] |
| Status Lingkungan Hidup | Obsolete (legacy product) | — |
| Maximum Access Time | — | 200 ns (-20 speed grade) |
| Tegangan Pemberi Arus | — | 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) |