27C512-20 vs 27C512-20HW Comparison
Detailed side-by-side comparison of 27C512-20 by Fujitsu and 27C512-20HW by Fujitsu. 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 | 27C512-20HW |
|---|---|---|
| Brand | Fujitsu | Fujitsu |
| Category | Memory ICs | Memory ICs |
| Lifecycle Status | Obsolete | End of Life |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.10 | $2.70 |
| Memory Type | UV EPROM | CMOS EPROM (UV / OTP) |
| Technology | CMOS | — |
| Density | 512 Kbit (524,288 bits) | — |
| Organization | 64K x 8 | 64K x 8 bit |
| Maximum Access Time | 200 ns | — |
| Supply Voltage (VCC) | 5 V | — |
| Outputs | 3-state | Tri-state, O0 to O7 |
| Operation | Asynchronous | — |
| Package | CQCC32 / LCC32 (ceramic, UV window) | LCC32 (32-lead chip carrier) |
| Mounting Type | Surface Mount | Surface Mount |
| Erase Method | Ultraviolet light | UV erase (UV variant) / OTP (windowless 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] | 20 uA typical (CMOS standby) |
| Programming Voltage (VPP) | [DATA_NEEDED: VPP voltage] | [DATA_NEEDED: VPP voltage] |
| Memory Size | — | 512 Kbit (64K x 8) |
| Access Time | — | 200 ns |
| Supply Voltage | — | 5 V +/-10% |
| Programming Algorithm | — | 100% Flashrite programming |
| Pinout | — | JEDEC-approved EPROM pinout |
| Control Signals | — | CE (active-low), OE (active-low) |
| Active Current | — | [DATA_NEEDED: active supply current] |
| Manufacturer | — | Fujitsu |