27C512-20 vs 27C512-25 Comparison
Detailed side-by-side comparison of 27C512-20 by Fujitsu and 27C512-25 by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | 27C512-20 | 27C512-25 |
|---|---|---|
| Brand | Fujitsu | Microchip Technology |
| Category | Memory ICs | Memory ICs |
| Lifecycle Status | Obsolete | Obsolete |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.10 | $3.20 |
| Memory Type | UV EPROM | CMOS EPROM (UV / OTP) |
| Technology | CMOS | CMOS floating gate |
| Density | 512 Kbit (524,288 bits) | — |
| Organization | 64K x 8 | — |
| Maximum Access Time | 200 ns | 250 ns |
| Supply Voltage (VCC) | 5 V | — |
| Outputs | 3-state | — |
| Operation | Asynchronous | — |
| Package | CQCC32 / LCC32 (ceramic, UV window) | DIP-28 |
| Mounting Type | Surface Mount | Through Hole |
| Erase Method | Ultraviolet light | UV (windowed variant) or not erasable (OTP variant) |
| Interface | Parallel | — |
| Word Size | 8 bit | — |
| Address Count | 65,536 words | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Standby Current | [DATA_NEEDED: standby current] | — |
| Programming Voltage (VPP) | [DATA_NEEDED: VPP voltage] | — |
| Memory Organization | — | 64K x 8 (524,288 bits) |
| Supply Voltage (Read Mode) | — | 5 V +/- 10% |
| Standby Current (CMOS) | — | 20 uA typical |
| Operating Mode | — | Asynchronous |
| Output Type | — | 3-state, common I/O |
| Pinout Standard | — | JEDEC-approved 28-pin |
| Programming Method | — | High-voltage EPROM programming (Flashrite type) |
| Access Time Guarantee | — | Any byte in less than 250 ns |
| RoHS Status | — | [DATA_NEEDED: RoHS status] |