Part Number: AT28HC64B-90PU vs AT28C64X-20JC

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Part Number: AT28HC64B-90PU AT28C64X-20JC
Manufacturer: Microchip Technology Microchip Technology
Description: IC EEPROM 64KBIT 90NS 28DIP Memory IC AT28C64
Quantity Available: Available Available
Datasheets: AT28HC64B -
Mounting Type Through Hole Surface Mount
Package / Case 28-DIP (0.600, 15.24mm) 32-LCC (J-Lead)
Supplier Device Package 28-PDIP 32-PLCC (13.97x11.43)
Operating Temperature -40°C~85°C TC 0°C~70°C TC
Packaging Tube Tube
Published 1997 1999
Part Status Obsolete Obsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited) 2 (1 Year)
Technology EEPROM EEPROM
Voltage - Supply 4.5V~5.5V 4.5V~5.5V
Base Part Number AT28HC64 AT28C64
Memory Size 64Kb 8K x 8 64Kb 8K x 8
Memory Type Non-Volatile Non-Volatile
Access Time 90ns 200ns
Memory Format EEPROM EEPROM
Memory Interface Parallel Parallel
Write Cycle Time - Word, Page 10ms 1ms
RoHS Status ROHS3 Compliant Non-RoHS Compliant
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