UPD28C256CZ-20 vs KM28C256A-20 feature comparison

UPD28C256CZ-20 NEC Electronics Group

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KM28C256A-20 Samsung Semiconductor

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Pbfree Code No No
Rohs Code No No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer NEC ELECTRONICS CORP SAMSUNG SEMICONDUCTOR INC
Part Package Code DIP DIP
Package Description 0.600 INCH, PLASTIC, DIP-28 DIP, DIP28,.6
Pin Count 28 28
Reach Compliance Code compliant unknown
ECCN Code EAR99 EAR99
HTS Code 8542.32.00.51 8542.32.00.51
Access Time-Max 200 ns 200 ns
Additional Feature AUTOMATIC WRITE; BYTE PROGRAMMABLE; PAGE WRITE AUTOMATIC WRITE; 100000 ERASE/WRITE CYCLES; DATA RETENTION = 10 YEARS
JESD-30 Code R-PDIP-T28 R-PDIP-T28
JESD-609 Code e0 e0
Memory Density 262144 bit 262144 bit
Memory IC Type EEPROM EEPROM
Memory Width 8 8
Number of Functions 1 1
Number of Terminals 28 28
Number of Words 32768 words 32768 words
Number of Words Code 32000 32000
Operating Mode ASYNCHRONOUS ASYNCHRONOUS
Operating Temperature-Max 70 °C 70 °C
Operating Temperature-Min
Organization 32KX8 32KX8
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code DIP DIP
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE IN-LINE
Parallel/Serial PARALLEL PARALLEL
Programming Voltage 5 V 5 V
Qualification Status Not Qualified Not Qualified
Seated Height-Max 5.72 mm 5.59 mm
Supply Voltage-Max (Vsup) 5.5 V 5.5 V
Supply Voltage-Min (Vsup) 4.5 V 4.5 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount NO NO
Technology CMOS CMOS
Temperature Grade COMMERCIAL COMMERCIAL
Terminal Finish TIN LEAD TIN LEAD
Terminal Form THROUGH-HOLE THROUGH-HOLE
Terminal Pitch 2.54 mm 2.54 mm
Terminal Position DUAL DUAL
Width 15.24 mm 15.24 mm
Base Number Matches 1 1
Command User Interface NO
Data Polling YES
Data Retention Time-Min 10
Endurance 100000 Write/Erase Cycles
Output Characteristics 3-STATE
Package Equivalence Code DIP28,.6
Page Size 64 words
Standby Current-Max 0.0001 A
Supply Current-Max 0.06 mA
Toggle Bit YES
Write Cycle Time-Max (tWC) 5 ms

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