QP7C271-55PC vs CY27C256-55PI feature comparison

QP7C271-55PC Teledyne e2v

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CY27C256-55PI Cypress Semiconductor

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Part Life Cycle Code Active Obsolete
Ihs Manufacturer TELEDYNE E2V (UK) LTD CYPRESS SEMICONDUCTOR CORP
Part Package Code DIP DIP
Package Description DIP, DIP,
Pin Count 28 28
Reach Compliance Code compliant unknown
ECCN Code EAR99 EAR99
HTS Code 8542.32.00.71 8542.32.00.71
Access Time-Max 70 ns 55 ns
JESD-30 Code R-PDIP-T28 R-PDIP-T28
Memory Density 4096 bit 262144 bit
Memory IC Type OTP ROM OTP ROM
Memory Width 4 8
Number of Functions 1 1
Number of Terminals 28 28
Number of Words 32768 words 32768 words
Number of Words Code 1000 32000
Operating Mode ASYNCHRONOUS ASYNCHRONOUS
Operating Temperature-Max 70 °C 85 °C
Operating Temperature-Min -40 °C
Organization 1KX4 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
Supply Current-Max 0.12 mA
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount NO NO
Technology CMOS CMOS
Temperature Grade COMMERCIAL INDUSTRIAL
Terminal Form THROUGH-HOLE THROUGH-HOLE
Terminal Position DUAL DUAL
Base Number Matches 1 1
Output Characteristics 3-STATE
Qualification Status Not Qualified
Supply Voltage-Max (Vsup) 5.5 V
Supply Voltage-Min (Vsup) 4.5 V

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