| Mfr. Part # | AT27C256R-45RI | AT28C256-15PU | AT27C256R-45JU |
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology |
| Description | IC EPROM 256K PARALLEL 28SOIC | MICROCHIP - AT28C256-15PU - EEPROM, 256 Kbit, 32K x 8bit, Parallel, 5 MHz, DIP, 28 Pins | IC EPROM 256K PARALLEL 32PLCC |
| Datasheet | |||
| RoHS | |||
| Specifications | |||
Mounting Type | Surface Mount | Through Hole | Surface Mount |
Package / Case | 28-SOIC (0.342, 8.69mm Width) | 28-DIP (0.600, 15.24mm) | 32-LCC (J-Lead) |
Supplier Device Package | 28-SOIC | - | - |
Memory Types | Non-Volatile | Non-Volatile | Non-Volatile |
Operating Temperature | -40°C~85°C TC | -40°C~85°C TC | -40°C~85°C TC |
Packaging | Tube | Tube | Tube |
Published | 1998 | 1997 | 1997 |
Part Status | Obsolete | Active | Active |
Moisture Sensitivity Level (MSL) | 2 (1 Year) | 1 (Unlimited) | 2 (1 Year) |
Voltage - Supply | 4.5V~5.5V | 4.5V~5.5V | 4.5V~5.5V |
Base Part Number | AT27C256 | AT28C256 | AT27C256 |
Memory Size | 256Kb 32K x 8 | 256Kb 32K x 8 | 256Kb 32K x 8 |
Access Time | 45ns | 150ns | 45ns |
Memory Format | EPROM | EEPROM | EPROM |
Memory Interface | Parallel | Parallel | Parallel |
RoHS Status | Non-RoHS Compliant | ROHS3 Compliant | ROHS3 Compliant |
Factory Lead Time | - | 8 Weeks | 3 Weeks |
Contact Plating | - | Tin | Tin |
Mount | - | Through Hole | Surface Mount |
Number of Pins | - | 28 | 32 |
Usage Level | - | Industrial grade | - |
JESD-609 Code | - | e3 | e3 |
Pbfree Code | - | yes | yes |
Number of Terminations | - | 28 | 32 |
Terminal Position | - | DUAL | QUAD |
Peak Reflow Temperature (Cel) | - | 245 | 245 |
Number of Functions | - | 1 | 1 |
Supply Voltage | - | 5V | 5V |
Terminal Pitch | - | 2.54mm | 1.27mm |
Frequency | - | 5MHz | 45GHz |
Operating Supply Voltage | - | 5V | 5V |
Power Supplies | - | 5V | 5V |
Nominal Supply Current | - | 50mA | 20mA |
Organization | - | 32KX8 | - |
Write Cycle Time - Word, Page | - | 10ms | - |
Density | - | 256 kb | 256 kb |
Standby Current-Max | - | 0.0002A | 0.0001A |
Programming Voltage | - | 5V | 13V |
Endurance | - | 10000 Write/Erase Cycles | - |
Write Cycle Time-Max (tWC) | - | 10ms | - |
Data Retention Time-Min | - | 10 | - |
Write Protection | - | HARDWARE/SOFTWARE | - |
Data Polling | - | YES | - |
Toggle Bit | - | YES | - |
Command User Interface | - | NO | - |
Page Size | - | 64words | - |
Height | - | 4.826mm | 3.17mm |
Length | - | 37.34mm | 11.5mm |
Width | - | 13.97mm | 14.04mm |
REACH SVHC | - | No SVHC | No SVHC |
Radiation Hardening | - | No | No |
Lead Free | - | Lead Free | Lead Free |
Time@Peak Reflow Temperature-Max (s) | - | - | 40 |
Output Characteristics | - | - | 3-STATE |
I/O Type | - | - | COMMON |
| Pricing(USD) | |||
| Grads Price | - | Quantity Unit Price 1+ $24.4494 10+ $23.06547 100+ $21.75988 500+ $20.52819 1000+ $19.36622 | Quantity Unit Price 1+ $5.91531 10+ $5.58048 100+ $5.26461 500+ $4.96661 1000+ $4.68548 |
| Availability | - | 708 | 149 |
| Price | - | $24.4494 | $5.91531 |
| Quantity |
In Stock