27C256A-20 vs 27C256-17 Comparison
Detailed side-by-side comparison of 27C256A-20 by Fujitsu 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-20 | 27C256-17 |
|---|---|---|
| Brand | Fujitsu | Microchip Technology |
| Category | Memory ICs | Memory ICs |
| Lifecycle Status | Obsolete | Obsolete |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.20 | $0.00 |
| Memory Size | 256 Kbit | 256 Kbit |
| Organization | 32K x 8 (32768 bytes) | 32K x 8 |
| Memory Type | OTP EPROM (CMOS) | EPROM - UV (windowed) |
| Maximum Access Time | 200 ns (-20 speed grade) | — |
| Supply Voltage | 5 V single supply | 4.5 V to 5.5 V |
| Address Lines | A0 to A14 (15 lines) | A0 - A14 (15) |
| Data Lines | O0 to O7 (8-bit, tri-state) | 8-bit bidirectional |
| Control Signals | CE, OE, PGM | /CE, /OE, VPP |
| Standby Mode | Static standby (low-power deselect) | — |
| Programming Method | Fast single address location programming | — |
| Output Compatibility | TTL-compatible | — |
| Erasability | One-Time Programmable (no window) | — |
| Package | 28-pin DIP / PLCC (per ordering code) | CDIP-28 (windowed CERDIP, 0.6 inch) |
| Mounting Type | Through Hole (DIP variant) | Through Hole |
| Technology | CMOS | CMOS |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| RoHS Status | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| Access Time | — | 170 ns |
| Interface | — | Parallel |
| Temperature Grade | — | Commercial |
| Number of Terminals | — | 28 |
| Erase Method | — | Ultraviolet light (quartz window) |