Part Number: AT28HC256E-90SU vs AT28HC64B-70SI
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Part Number: | AT28HC256E-90SU | AT28HC64B-70SI |
Manufacturer: | Microchip Technology | Microchip Technology |
Description: | IC EEPROM 256KBIT 90NS 28SOIC | Memory IC AT28HC64 |
Quantity Available: | Available | Available |
Datasheets: | - | AT28HC64B |
Factory Lead Time | 14 Weeks | - |
Contact Plating | Tin | - |
Mount | Surface Mount | - |
Mounting Type | Surface Mount | Surface Mount |
Package / Case | 28-SOIC (0.295, 7.50mm Width) | 28-SOIC (0.295, 7.50mm Width) |
Number of Pins | 28 | - |
Operating Temperature | -40°C~85°C TC | -40°C~85°C TC |
Packaging | Tube | Tube |
Published | 1997 | 1997 |
JESD-609 Code | e3 | - |
Pbfree Code | yes | - |
Part Status | Active | Obsolete |
Moisture Sensitivity Level (MSL) | 2 (1 Year) | 2 (1 Year) |
Number of Terminations | 28 | - |
Technology | CMOS | EEPROM |
Voltage - Supply | 4.5V~5.5V | 4.5V~5.5V |
Terminal Position | DUAL | - |
Peak Reflow Temperature (Cel) | 250 | - |
Number of Functions | 1 | - |
Supply Voltage | 5V | - |
Terminal Pitch | 1.27mm | - |
Frequency | 90GHz | - |
Reflow Temperature-Max (s) | 40 | - |
Base Part Number | AT28HC256 | AT28HC64 |
Qualification Status | Not Qualified | - |
Operating Supply Voltage | 5V | - |
Power Supplies | 5V | - |
Memory Size | 256Kb 32K x 8 | 64Kb 8K x 8 |
Nominal Supply Current | 80mA | - |
Memory Type | Non-Volatile | Non-Volatile |
Operating Mode | ASYNCHRONOUS | - |
Access Time | 90ns | 70ns |
Memory Format | EEPROM | EEPROM |
Memory Interface | Parallel | Parallel |
Organization | 32KX8 | - |
Memory Width | 8 | - |
Write Cycle Time - Word, Page | 10ms | 10ms |
Density | 256 kb | - |
Standby Current-Max | 0.0003A | - |
Programming Voltage | 5V | - |
Endurance | 100000 Write/Erase Cycles | - |
Write Cycle Time-Max (tWC) | 10ms | - |
Data Polling | YES | - |
Toggle Bit | YES | - |
Command User Interface | NO | - |
Page Size | 64words | - |
Height Seated (Max) | 2.65mm | - |
Length | 17.9mm | - |
Width | 7.5mm | - |
RoHS Status | ROHS3 Compliant | Non-RoHS Compliant |
Lead Free | Lead Free | - |
Supplier Device Package | - | 28-SOIC |
Submit RFQ: | Submit | Submit |