X28HC256DI-12 vs AT28HC256-12JU feature comparison

X28HC256DI-12 Xicor Inc

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AT28HC256-12JU Microchip Technology Inc

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Rohs Code No Yes
Part Life Cycle Code Transferred Active
Ihs Manufacturer XICOR INC MICROCHIP TECHNOLOGY INC
Package Description DIP, DIP28,.6 QCCJ, LDCC32,.5X.6
Reach Compliance Code unknown compliant
Access Time-Max 120 ns 120 ns
Additional Feature 100000 ENDURANCE WRITE CYCLES; 100 YEARS DATA RETENTION AUTOMATIC WRITE
Command User Interface NO NO
Data Polling YES YES
Data Retention Time-Min 100
Endurance 1000000 Write/Erase Cycles 10000 Write/Erase Cycles
JESD-30 Code R-GDIP-T28 R-PQCC-J32
JESD-609 Code e0 e3
Length 37.15 mm 13.97 mm
Memory Density 262144 bit 262144 bit
Memory IC Type EEPROM EEPROM
Memory Width 8 8
Number of Functions 1 1
Number of Terminals 28 32
Number of Words 32768 words 32768 words
Number of Words Code 32000 32000
Operating Mode ASYNCHRONOUS ASYNCHRONOUS
Operating Temperature-Max 85 °C 85 °C
Operating Temperature-Min -40 °C -40 °C
Organization 32KX8 32KX8
Output Characteristics 3-STATE 3-STATE
Package Body Material CERAMIC, GLASS-SEALED PLASTIC/EPOXY
Package Code DIP QCCJ
Package Equivalence Code DIP28,.6 LDCC32,.5X.6
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE CHIP CARRIER
Page Size 128 words 64 words
Parallel/Serial PARALLEL PARALLEL
Programming Voltage 5 V 5 V
Qualification Status Not Qualified Not Qualified
Seated Height-Max 7.24 mm 3.556 mm
Standby Current-Max 0.0005 A 0.0003 A
Supply Current-Max 0.06 mA 0.08 mA
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 YES
Technology CMOS CMOS
Temperature Grade INDUSTRIAL INDUSTRIAL
Terminal Finish Tin/Lead (Sn/Pb) Matte Tin (Sn) - annealed
Terminal Form THROUGH-HOLE J BEND
Terminal Pitch 2.54 mm 1.27 mm
Terminal Position DUAL QUAD
Toggle Bit YES YES
Width 15.24 mm 11.43 mm
Write Cycle Time-Max (tWC) 5 ms 10 ms
Base Number Matches 2 2
Pbfree Code Yes
Factory Lead Time 7 Weeks
Samacsys Manufacturer Microchip
Moisture Sensitivity Level 2
Peak Reflow Temperature (Cel) 245
Screening Level MIL-STD-883
Time@Peak Reflow Temperature-Max (s) 40

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