54F257ALL vs 74F257L1C feature comparison

54F257ALL Fairchild Semiconductor Corporation

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74F257L1C Fairchild Semiconductor Corporation

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Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer FAIRCHILD SEMICONDUCTOR CORP FAIRCHILD SEMICONDUCTOR CORP
Package Description QCCN, QCCN,
Reach Compliance Code unknown unknown
HTS Code 8542.39.00.01 8542.39.00.01
Family F/FAST F/FAST
JESD-30 Code S-CQCC-N20 S-CQCC-N20
Load Capacitance (CL) 50 pF
Logic IC Type MULTIPLEXER MULTIPLEXER
Number of Functions 4 4
Number of Inputs 2 2
Number of Outputs 1 1
Number of Terminals 20 20
Operating Temperature-Max 125 °C 70 °C
Operating Temperature-Min -55 °C
Output Characteristics 3-STATE 3-STATE
Output Polarity TRUE TRUE
Package Body Material CERAMIC, METAL-SEALED COFIRED CERAMIC, METAL-SEALED COFIRED
Package Code QCCN QCCN
Package Equivalence Code LCC20,.35SQ LCC20,.35SQ
Package Shape SQUARE SQUARE
Package Style CHIP CARRIER CHIP CARRIER
Power Supply Current-Max (ICC) 22 mA
Propagation Delay (tpd) 7 ns 9.5 ns
Qualification Status Not Qualified Not Qualified
Supply Voltage-Max (Vsup) 5.5 V 5.25 V
Supply Voltage-Min (Vsup) 4.5 V 4.75 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount YES YES
Technology TTL TTL
Temperature Grade MILITARY COMMERCIAL
Terminal Form NO LEAD NO LEAD
Terminal Position QUAD QUAD
Base Number Matches 2 1
Part Package Code QLCC
Pin Count 20
Additional Feature 2 : 1 MULTIPLEXER
Length 8.89 mm
Seated Height-Max 2.54 mm
Terminal Pitch 1.27 mm
Width 8.89 mm

Compare 54F257ALL with alternatives

Compare 74F257L1C with alternatives