27C256-120N vs 27C256-17 Comparison
Detailed side-by-side comparison of 27C256-120N by ASI and 27C256-17 by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
27C256-17 - 256Kbit UV EPROM 170ns 32Kx8 | Microchip Technology
27C256-17 ObsoleteSpecification Comparison
| Parameter | 27C256-120N | 27C256-17 |
|---|---|---|
| Brand | ASI | Microchip Technology |
| Category | Memory ICs | Memory ICs |
| Lifecycle Status | End of Life | Obsolete |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.75 | $0.00 |
| Memory Organization | 32K x 8 bit (256 Kbit) | — |
| Access Time | 120 ns | 170 ns |
| Technology | CMOS EPROM (UV erasable) | CMOS |
| Supply Voltage (Read) | 5 V +/-10% | — |
| Standby Current | 20 uA typical (CMOS standby) | — |
| Active Current | [DATA_NEEDED: active supply current] | — |
| Programming Method | 100% Flashrite programming | — |
| Pinout | JEDEC-approved 27C256 pinout | — |
| Package | 28-pin plastic DIP (DIP-28) | CDIP-28 (windowed CERDIP, 0.6 inch) |
| Erase Method | Ultraviolet light (quartz window / windowed variant) | Ultraviolet light (quartz window) |
| Mounting Type | Through Hole | Through Hole |
| Operating Temperature | [DATA_NEEDED: commercial operating temperature range] | [DATA_NEEDED: operating temperature range] |
| RoHS Status | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| Output Type | Parallel, 3-state outputs | — |
| Control Signals | CE, OE, PGM | /CE, /OE, VPP |
| Lifecycle Status | End of Life (per Futurlec) | — |
| Memory Type | — | EPROM - UV (windowed) |
| Memory Size | — | 256 Kbit |
| Organization | — | 32K x 8 |
| Interface | — | Parallel |
| Supply Voltage | — | 4.5 V to 5.5 V |
| Temperature Grade | — | Commercial |
| Number of Terminals | — | 28 |
| Address Lines | — | A0 - A14 (15) |
| Data Lines | — | 8-bit bidirectional |