Product Details
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DESCRIPTION The X28C256 is an 32K x 8 E2PROM, fabricated with proprietary, high performance, floating gate CMOS technology. Like all programmable non volatile memories the X28C256 is a 5V only device. The X28C256 features the JEDEC approved pinout for byte wide memories, compatible with industry standard RAMs.
• Access Time: 200ns • Simple Byte and Page Write — Single 5V Supply —No External High Voltages or VPP Control Circuits — Self-Timed —No Erase Before Write —No Complex Programming Algorithms —No Overerase Problem • Low Power CMOS: —Active: 60mA —Standby: 200µA • Software Data Protection — Protects Data Against System Level Inadvertent Writes • High Speed Page Write Capability • Highly Reliable Direct Write™ Cell — Endurance: 100,000 Write Cycles — Data Retention: 100 Years • Early End of Write Detection — DATA Polling —Toggle Bit Polling |
Product Description
| Type# | Description |
| ANSC PART# | ANSC - X28C256DI-25 |
| Ihs Manufacturer | / |
| Package Description | HERMETIC SEALED, CERDIP-28 |
| Access Time-Max | 250 ns |
| Additional Feature | PAGE WRITE |
| Command User Interface | NO |
| Data Polling | YES |
| Endurance | 100000 Write/Erase Cycles |
| Length | 37.15 mm |
| Memory Density | 262144 bit |
| Memory IC Type | EEPROM |
| Memory Width | 8 |
| Number of Functions | 1 |
| Number of Terminals | 28 |
| Number of Words | 32768 words |
| Number of Words Code | 32000 |
| Operating Mode | ASYNCHRONOUS |
| Operating Temperature-Max | 85 °C |
| Operating Temperature-Min | -40 °C |
| Organization | 32KX8 |
| Output Characteristics | 3-STATE |
| Package Body Material | CERAMIC, GLASS-SEALED |
| Package Code | DIP |
| Package Equivalence Code | DIP28,.6 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Page Size | 64 words |
| Parallel/Serial | PARALLEL |
| Programming Voltage | 5 V |
| Qualification Status | Not Qualified |
| Screening Level | MIL-STD-883 |
| Seated Height-Max | 5.9 mm |
| Standby Current-Max | 0.0005 A |
| Supply Current-Max | 0.06 mA |
| Supply Voltage-Max (Vsup) | 5.5 V |
| Supply Voltage-Min (Vsup) | 4.5 V |
| Supply Voltage-Nom (Vsup) | 5 V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | TIN LEAD |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54 mm |
| Terminal Position | DUAL |
| Toggle Bit | YES |
| Width | 15.24 mm |
| Write Cycle Time-Max (tWC) | 10 ms |
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