UT7156C-55PCX vs AS7C3256A-20PCN feature comparison

UT7156C-55PCX Cobham Semiconductor Solutions

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AS7C3256A-20PCN Alliance Semiconductor Corporation

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Part Life Cycle Code Transferred Transferred
Ihs Manufacturer AEROFLEX COLORADO SPRINGS ALLIANCE SEMICONDUCTOR CORP
Part Package Code DIP DIP
Package Description DIP, DIP, DIP28,.3
Pin Count 28 28
Reach Compliance Code unknown unknown
ECCN Code 3A001.A.2.C EAR99
HTS Code 8542.32.00.41 8542.32.00.41
Access Time-Max 55 ns 20 ns
JESD-30 Code R-CDIP-T28 R-PDIP-T28
Length 35.56 mm
Memory Density 262144 bit 262144 bit
Memory IC Type STANDARD SRAM STANDARD SRAM
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 125 °C 70 °C
Operating Temperature-Min -55 °C
Organization 32KX8 32KX8
Package Body Material CERAMIC, METAL-SEALED COFIRED PLASTIC/EPOXY
Package Code DIP DIP
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE IN-LINE
Parallel/Serial PARALLEL PARALLEL
Qualification Status Not Qualified Not Qualified
Seated Height-Max 4.445 mm 4.445 mm
Supply Voltage-Max (Vsup) 5.5 V 3.6 V
Supply Voltage-Min (Vsup) 4.5 V 3 V
Supply Voltage-Nom (Vsup) 5 V 3.3 V
Surface Mount NO NO
Technology CMOS CMOS
Temperature Grade MILITARY COMMERCIAL
Terminal Form THROUGH-HOLE THROUGH-HOLE
Terminal Pitch 2.54 mm 2.54 mm
Terminal Position DUAL DUAL
Total Dose 1M Rad(Si) V
Width 15.24 mm 7.62 mm
Base Number Matches 1 1
Rohs Code Yes
I/O Type COMMON
JESD-609 Code e3
Output Characteristics 3-STATE
Package Equivalence Code DIP28,.3
Standby Current-Max 0.002 A
Standby Voltage-Min 3 V
Supply Current-Max 0.035 mA
Terminal Finish MATTE TIN

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