27C256A-12 vs 27C256L-12TMB Comparison
Detailed side-by-side comparison of 27C256A-12 by NEC and 27C256L-12TMB by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
27C256L-12TMB - 32Kx8 Military CMOS EPROM 120ns | WSI/ST
27C256L-12TMB ✗ End of LifeSpecification Comparison
| Parameter | 27C256A-12 | 27C256L-12TMB |
|---|---|---|
| Brand | NEC | STMicroelectronics |
| Category | Memory ICs | Memory ICs |
| Lifecycle Status | Obsolete | End of Life |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.52 | $8.25 |
| Memory Type | UV EPROM | UV EPROM |
| Technology | CMOS | CMOS |
| Memory Size | 256 Kbit (32K x 8) | 256 Kbit |
| Organization | 32K x 8 | 32K x 8 |
| Access Time | 120 ns | 120 ns |
| Supply Voltage (VCC) | 5 V | 4.5 V to 5.5 V |
| Programming Voltage (VPP) | [DATA_NEEDED: programming voltage VPP] | [DATA_NEEDED: programming voltage] |
| Interface | Parallel | — |
| Operating Temperature | 0C to +70C (commercial) | [DATA_NEEDED: operating temperature range] |
| Package | 28-pin DIP | 28-pin Ceramic Leadless Chip Carrier (CLLCC) |
| Mounting Type | Through Hole | Surface Mount |
| Erase Method | Ultraviolet light | — |
| Standby Current | [DATA_NEEDED: standby current] | — |
| Active Current | [DATA_NEEDED: active current] | — |
| RoHS Status | unknown | unknown |
| Lifecycle Status | Obsolete (legacy product) | — |
| Minimum Supply Voltage | — | 4.5 V |
| Temperature Grade | — | Military |
| Number of Terminals | — | 28 |
| Package Shape | — | Rectangular |
| Address Lines | — | 15 (A0 to A14) |
| Data Outputs | — | 8, tri-state |
| I/O Level | — | TTL compatible |