SN74LS684DW vs QS54FCT521TSOB feature comparison

SN74LS684DW Rochester Electronics LLC

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QS54FCT521TSOB Quality Semiconductor Inc

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Pbfree Code No
Part Life Cycle Code Active Obsolete
Ihs Manufacturer ROCHESTER ELECTRONICS LLC QUALITY SEMICONDUCTOR INC
Part Package Code SOIC
Package Description PLASTIC, SOIC-20 ,
Pin Count 20
Reach Compliance Code unknown unknown
Family LS FCT
JESD-30 Code R-PDSO-G20 R-PDSO-G20
JESD-609 Code e4
Length 12.8 mm
Logic IC Type MAGNITUDE COMPARATOR IDENTITY COMPARATOR
Moisture Sensitivity Level 1
Number of Bits 8 8
Number of Functions 1 1
Number of Terminals 20 20
Operating Temperature-Max 70 °C 125 °C
Operating Temperature-Min -55 °C
Output Polarity INVERTED INVERTED
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code SOP SOP
Package Shape RECTANGULAR RECTANGULAR
Package Style SMALL OUTLINE SMALL OUTLINE
Peak Reflow Temperature (Cel) 260
Propagation Delay (tpd) 30 ns 15 ns
Qualification Status COMMERCIAL Not Qualified
Seated Height-Max 2.65 mm
Supply Voltage-Max (Vsup) 5.25 V 5.5 V
Supply Voltage-Min (Vsup) 4.75 V 4.5 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount YES YES
Technology TTL CMOS
Temperature Grade COMMERCIAL MILITARY
Terminal Finish NICKEL PALLADIUM GOLD
Terminal Form GULL WING GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL DUAL
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Width 7.5 mm
Base Number Matches 6 1
Additional Feature CASCADABLE
Load Capacitance (CL) 50 pF

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