DP8428V-70 vs DP8421AVX-20 feature comparison

DP8428V-70 National Semiconductor Corporation

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DP8421AVX-20 Texas Instruments

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Rohs Code No No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer NATIONAL SEMICONDUCTOR CORP NATIONAL SEMICONDUCTOR CORP
Package Description QCCJ, LDCC68,1.0SQ QCCJ, LDCC68,1.0SQ
Reach Compliance Code unknown unknown
HTS Code 8542.31.00.01 8542.31.00.01
Address Bus Width 20 20
Boundary Scan NO NO
Clock Frequency-Max 70 MHz
External Data Bus Width
JESD-30 Code S-PQCC-J68 S-PQCC-J68
JESD-609 Code e0 e0
Length 24.2316 mm 24.2316 mm
Low Power Mode NO NO
Memory Organization 1M X 1
Number of Banks 2 4
Number of Terminals 68 68
Operating Temperature-Max 70 °C 70 °C
Operating Temperature-Min
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code QCCJ QCCJ
Package Equivalence Code LDCC68,1.0SQ LDCC68,1.0SQ
Package Shape SQUARE SQUARE
Package Style CHIP CARRIER CHIP CARRIER
Qualification Status Not Qualified Not Qualified
Seated Height-Max 5.08 mm 5.08 mm
Supply Current-Max 240 mA 75 mA
Supply Voltage-Max 5.5 V 5.5 V
Supply Voltage-Min 4.5 V 4.5 V
Supply Voltage-Nom 5 V 5 V
Surface Mount YES YES
Technology BIPOLAR CMOS
Temperature Grade COMMERCIAL COMMERCIAL
Terminal Finish TIN LEAD TIN LEAD
Terminal Form J BEND J BEND
Terminal Pitch 1.27 mm 1.27 mm
Terminal Position QUAD QUAD
Width 24.2316 mm 24.2316 mm
uPs/uCs/Peripheral ICs Type MEMORY CONTROLLER, DRAM MEMORY CONTROLLER, DRAM
Base Number Matches 4 1

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