QP8257 vs AM9557DC feature comparison

QP8257 Intel Corporation

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AM9557DC AMD

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Rohs Code No No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer INTEL CORP ADVANCED MICRO DEVICES INC
Part Package Code DIP DIP
Package Description DIP, DIP40,.6 DIP, DIP40,.6
Pin Count 40 40
Reach Compliance Code unknown unknown
HTS Code 8542.31.00.01 8542.31.00.01
Address Bus Width 8 8
Bus Compatibility MCS-85 8080A; 9080A
Clock Frequency-Max 3.125 MHz 3.125 MHz
External Data Bus Width 8 8
JESD-30 Code R-PDIP-T40 R-CDIP-T40
JESD-609 Code e0 e0
Length 52.26 mm 52.324 mm
Number of DMA Channels 4 4
Number of Terminals 40 40
Operating Temperature-Max 70 °C 70 °C
Operating Temperature-Min
Package Body Material PLASTIC/EPOXY CERAMIC, METAL-SEALED COFIRED
Package Code DIP DIP
Package Equivalence Code DIP40,.6 DIP40,.6
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE IN-LINE
Qualification Status Not Qualified Not Qualified
Seated Height-Max 5.08 mm 5.715 mm
Supply Voltage-Max 5.25 V 5.25 V
Supply Voltage-Min 4.75 V 4.75 V
Supply Voltage-Nom 5 V 5 V
Surface Mount NO NO
Technology CMOS MOS
Temperature Grade COMMERCIAL COMMERCIAL
Terminal Finish Tin/Lead (Sn/Pb) TIN LEAD
Terminal Form THROUGH-HOLE THROUGH-HOLE
Terminal Pitch 2.54 mm 2.54 mm
Terminal Position DUAL DUAL
Width 15.24 mm 15.24 mm
uPs/uCs/Peripheral ICs Type DMA CONTROLLER DMA CONTROLLER
Base Number Matches 2 4
Supply Current-Max 120 mA

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