27C256-17 vs 27C256-120N Comparison
Detailed side-by-side comparison of 27C256-17 by Microchip Technology and 27C256-120N by ASI. 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 | 27C256-17 | 27C256-120N |
|---|---|---|
| Brand | Microchip Technology | ASI |
| Category | Memory ICs | Memory ICs |
| Lifecycle Status | Obsolete | End of Life |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $1.75 |
| Memory Type | EPROM - UV (windowed) | — |
| Memory Size | 256 Kbit | — |
| Organization | 32K x 8 | — |
| Access Time | 170 ns | 120 ns |
| Interface | Parallel | — |
| Supply Voltage | 4.5 V to 5.5 V | — |
| Technology | CMOS | CMOS EPROM (UV erasable) |
| Temperature Grade | Commercial | — |
| Package | CDIP-28 (windowed CERDIP, 0.6 inch) | 28-pin plastic DIP (DIP-28) |
| Number of Terminals | 28 | — |
| Mounting Type | Through Hole | Through Hole |
| Address Lines | A0 - A14 (15) | — |
| Data Lines | 8-bit bidirectional | — |
| Control Signals | /CE, /OE, VPP | CE, OE, PGM |
| Erase Method | Ultraviolet light (quartz window) | Ultraviolet light (quartz window / windowed variant) |
| RoHS Status | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: commercial operating temperature range] |
| Memory Organization | — | 32K x 8 bit (256 Kbit) |
| 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 |
| Output Type | — | Parallel, 3-state outputs |
| Lifecycle Status | — | End of Life (per Futurlec) |