27C256A-12 vs 27C256-17 Comparison
Detailed side-by-side comparison of 27C256A-12 by NEC 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 | 27C256A-12 | 27C256-17 |
|---|---|---|
| Brand | NEC | Microchip Technology |
| Category | Memory ICs | Memory ICs |
| Lifecycle Status | Obsolete | Obsolete |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.52 | $0.00 |
| Memory Type | UV EPROM | EPROM - UV (windowed) |
| Technology | CMOS | CMOS |
| Memory Size | 256 Kbit (32K x 8) | 256 Kbit |
| Organization | 32K x 8 | 32K x 8 |
| Access Time | 120 ns | 170 ns |
| Supply Voltage (VCC) | 5 V | — |
| Programming Voltage (VPP) | [DATA_NEEDED: programming voltage VPP] | — |
| Interface | Parallel | Parallel |
| Operating Temperature | 0C to +70C (commercial) | [DATA_NEEDED: operating temperature range] |
| Package | 28-pin DIP | CDIP-28 (windowed CERDIP, 0.6 inch) |
| Mounting Type | Through Hole | Through Hole |
| Erase Method | Ultraviolet light | Ultraviolet light (quartz window) |
| Standby Current | [DATA_NEEDED: standby current] | — |
| Active Current | [DATA_NEEDED: active current] | — |
| RoHS Status | unknown | [DATA_NEEDED: RoHS status] |
| Lifecycle Status | Obsolete (legacy product) | — |
| 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 |
| Control Signals | — | /CE, /OE, VPP |