AT27HC642R-45DM vs AT27HC641R-35LC feature comparison

AT27HC642R-45DM Atmel Corporation

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AT27HC641R-35LC Atmel Corporation

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Pbfree Code No No
Rohs Code No No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer ATMEL CORP ATMEL CORP
Part Package Code DIP QLCC
Package Description WDIP, DIP24,.3 WQCCN, LCC28,.45SQ
Pin Count 24 28
Reach Compliance Code unknown unknown
ECCN Code 3A001.A.2.C EAR99
HTS Code 8542.32.00.61 8542.32.00.61
Access Time-Max 45 ns 35 ns
I/O Type COMMON COMMON
JESD-30 Code R-GDIP-T24 S-CQCC-N28
JESD-609 Code e0 e0
Length 32 mm 11.43 mm
Memory Density 65536 bit 65536 bit
Memory IC Type UVPROM UVPROM
Memory Width 8 8
Number of Functions 1 1
Number of Terminals 24 28
Number of Words 8192 words 8192 words
Number of Words Code 8000 8000
Operating Mode ASYNCHRONOUS ASYNCHRONOUS
Operating Temperature-Max 125 °C 70 °C
Operating Temperature-Min -55 °C
Organization 8KX8 8KX8
Output Characteristics 3-STATE 3-STATE
Package Body Material CERAMIC, GLASS-SEALED CERAMIC, METAL-SEALED COFIRED
Package Code WDIP WQCCN
Package Equivalence Code DIP24,.3 LCC28,.45SQ
Package Shape RECTANGULAR SQUARE
Package Style IN-LINE, WINDOW CHIP CARRIER, WINDOW
Parallel/Serial PARALLEL PARALLEL
Qualification Status Not Qualified Not Qualified
Seated Height-Max 5.08 mm 2.79 mm
Standby Current-Max 0.03 A 0.025 A
Supply Current-Max 0.05 mA 0.045 mA
Supply Voltage-Max (Vsup) 5.5 V 5.25 V
Supply Voltage-Min (Vsup) 4.5 V 4.75 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount NO YES
Technology CMOS CMOS
Temperature Grade MILITARY COMMERCIAL
Terminal Finish TIN LEAD TIN LEAD
Terminal Form THROUGH-HOLE NO LEAD
Terminal Pitch 2.54 mm 1.27 mm
Terminal Position DUAL QUAD
Width 7.62 mm 11.43 mm
Base Number Matches 1 1

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