27C256L-20R vs 27C256A-12 Pengandingan
Pengandingan Sisi Kiri Sisi Kanan Terperinci 27C256L-20R disebabkan oleh WaferScale Integration dan 27C256A-12 disebabkan oleh NEC. Bandingkan spesifikasi utama, parameter elektrik, pakej, status kehidupan, harga, dan keupayaan untuk menentukan komponen terbaik untuk keperluan disenjaya anda.
Pengandingan Spesifikasi
| Parametr | 27C256L-20R | 27C256A-12 |
|---|---|---|
| Merek | WaferScale Integration | NEC |
| Kategori | EEPROM | Memory ICs |
| Status Lingkungan Hidup | Obsolete | Obsolete |
| Saiz Ingatan | 256 Kilobit | 256 Kbit (32K x 8) |
| Organisasi | 32K x 8-bit | 32K x 8 |
| Jenis Ingatan | CMOS EPROM (UV erasable) | UV EPROM |
| Access Time | 200 ns (-20 speed grade) | 120 ns |
| Tegangan Pemberi Arus | 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 | — |
| Suhu Operasi | [DATA_NEEDED: operating temperature range] | 0C to +70C (commercial) |
| Kemasan | 28-pin package (per JEDEC EPROM pinout) | 28-pin DIP |
| Jenis Pemasangan | Through-Hole | Through Hole |
| Status 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] |
| Antaramuka | — | Parallel |
| Status Lingkungan Hidup | — | Obsolete (legacy product) |