74ACT251LCX vs 74ACT258FC feature comparison

74ACT251LCX Texas Instruments

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74ACT258FC National Semiconductor Corporation

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Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer NATIONAL SEMICONDUCTOR CORP NATIONAL SEMICONDUCTOR CORP
Part Package Code QLCC
Package Description QCCN, CERAMIC, FP-16
Pin Count 20
Reach Compliance Code unknown unknown
HTS Code 8542.39.00.01 8542.39.00.01
Family ACT ACT
JESD-30 Code S-CQCC-N20 R-GDFP-F16
Length 8.89 mm 9.6645 mm
Load Capacitance (CL) 50 pF 50 pF
Logic IC Type MULTIPLEXER MULTIPLEXER
Number of Functions 1 4
Number of Inputs 8 2
Number of Outputs 1 1
Number of Terminals 20 16
Operating Temperature-Max 85 °C 85 °C
Operating Temperature-Min -40 °C -40 °C
Output Characteristics 3-STATE 3-STATE
Output Polarity COMPLEMENTARY INVERTED
Package Body Material CERAMIC, METAL-SEALED COFIRED CERAMIC, GLASS-SEALED
Package Code QCCN DFP
Package Shape SQUARE RECTANGULAR
Package Style CHIP CARRIER FLATPACK
Propagation Delay (tpd) 18.5 ns 11 ns
Qualification Status Not Qualified Not Qualified
Seated Height-Max 1.905 mm 2.032 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 CMOS CMOS
Temperature Grade INDUSTRIAL INDUSTRIAL
Terminal Form NO LEAD FLAT
Terminal Pitch 1.27 mm 1.27 mm
Terminal Position QUAD DUAL
Width 8.89 mm 6.604 mm
Base Number Matches 3 3

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