27C256A-12 vs 27C512-10 Comparison
Detailed side-by-side comparison of 27C256A-12 by NEC and 27C512-10 by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Texas Instruments
27C512-10 - 512Kbit (64Kx8) 100ns CMOS EPROM | Texas Instruments
27C512-10 ✗ End of LifeSpecification Comparison
| Parameter | 27C256A-12 | 27C512-10 |
|---|---|---|
| Brand | NEC | Texas Instruments |
| Category | Memory ICs | Memory ICs |
| Lifecycle Status | Obsolete | End of Life |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.52 | $2.70 |
| Memory Type | UV EPROM | OTP EPROM (CMOS) |
| Technology | CMOS | — |
| Memory Size | 256 Kbit (32K x 8) | 512 Kbit |
| Organization | 32K x 8 | 64K x 8 |
| Access Time | 120 ns | — |
| Supply Voltage (VCC) | 5 V | +5 V with +/-10% tolerance |
| Programming Voltage (VPP) | [DATA_NEEDED: programming voltage VPP] | +12.5 V |
| Interface | Parallel | Parallel, TTL compatible |
| Operating Temperature | 0C to +70C (commercial) | [DATA_NEEDED: operating temperature range] |
| Package | 28-pin DIP | 28-pin DIP |
| Mounting Type | Through Hole | Through Hole |
| Erase Method | Ultraviolet light | One-Time Programmable (not erasable) |
| Standby Current | [DATA_NEEDED: standby current] | 20 uA typical (CMOS standby) |
| Active Current | [DATA_NEEDED: active current] | — |
| RoHS Status | unknown | unknown |
| Lifecycle Status | Obsolete (legacy product) | — |
| Access Time (Speed Grade -10) | — | 100 ns |
| Operating Mode | — | Totally static operation |
| Address Lines | — | 15 (A0-A14) |
| Data Lines | — | 8 (Q0-Q7), tri-state outputs |
| Control Signals | — | /E (chip enable), /G (output enable) |
| Pinout Standard | — | JEDEC-approved 28-pin EPROM pinout |