SN54ALS257FK vs SN74AHCT257PWR feature comparison

SN54ALS257FK Texas Instruments

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SN74AHCT257PWR Texas Instruments

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Rohs Code No Yes
Part Life Cycle Code Obsolete Active
Ihs Manufacturer TEXAS INSTRUMENTS INC TEXAS INSTRUMENTS INC
Package Description QCCN, LCC20,.35SQ TSSOP,
Reach Compliance Code not_compliant unknown
HTS Code 8542.39.00.01 8542.39.00.01
Family ALS AHC
JESD-30 Code S-CQCC-N20 R-PDSO-G16
Length 8.89 mm 5 mm
Load Capacitance (CL) 50 pF
Logic IC Type MULTIPLEXER MULTIPLEXER
Max I(ol) 0.012 A
Number of Functions 4 4
Number of Inputs 2 2
Number of Outputs 1 1
Number of Terminals 20 16
Operating Temperature-Max 125 °C 85 °C
Operating Temperature-Min -55 °C -40 °C
Output Characteristics 3-STATE 3-STATE
Output Polarity TRUE TRUE
Package Body Material CERAMIC, METAL-SEALED COFIRED PLASTIC/EPOXY
Package Code QCCN TSSOP
Package Equivalence Code LCC20,.35SQ
Package Shape SQUARE RECTANGULAR
Package Style CHIP CARRIER SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel) NOT SPECIFIED
Power Supply Current-Max (ICC) 14 mA
Prop. Delay@Nom-Sup 14 ns
Propagation Delay (tpd) 14 ns
Qualification Status Not Qualified Not Qualified
Seated Height-Max 2.03 mm 1.2 mm
Supply Voltage-Max (Vsup) 5.5 V 5.5 V
Supply Voltage-Min (Vsup) 4.5 V 4.5 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount YES YES
Technology TTL CMOS
Temperature Grade MILITARY INDUSTRIAL
Terminal Form NO LEAD GULL WING
Terminal Pitch 1.27 mm 0.65 mm
Terminal Position QUAD DUAL
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Width 8.89 mm 4.4 mm
Base Number Matches 1 1
Pbfree Code Yes
Part Package Code TSSOP
Pin Count 16
ECCN Code EAR99

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