SN74LS151FN vs 74HC257DB feature comparison

SN74LS151FN Rochester Electronics LLC

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74HC257DB Nexperia

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Part Life Cycle Code Contact Manufacturer Obsolete
Ihs Manufacturer ROCHESTER ELECTRONICS LLC NEXPERIA
Package Description QCCJ, SSOP,
Reach Compliance Code unknown compliant
HTS Code 8542.39.00.01 8542.39.00.01
Family LS HC/UH
JESD-30 Code S-PQCC-J20 R-PDSO-G16
Length 8.9662 mm 6.2 mm
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 70 °C 125 °C
Operating Temperature-Min -40 °C
Output Polarity COMPLEMENTARY TRUE
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code QCCJ SSOP
Package Shape SQUARE RECTANGULAR
Package Style CHIP CARRIER SMALL OUTLINE, SHRINK PITCH
Propagation Delay (tpd) 30 ns 165 ns
Seated Height-Max 4.57 mm 2 mm
Supply Voltage-Max (Vsup) 5.25 V 6 V
Supply Voltage-Min (Vsup) 4.75 V 2 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount YES YES
Technology TTL CMOS
Temperature Grade COMMERCIAL AUTOMOTIVE
Terminal Form J BEND GULL WING
Terminal Pitch 1.27 mm 0.65 mm
Terminal Position QUAD DUAL
Width 8.9662 mm 5.3 mm
Base Number Matches 2 3
Rohs Code Yes
Date Of Intro 2017-02-01
JESD-609 Code e4
Moisture Sensitivity Level 1
Output Characteristics 3-STATE
Peak Reflow Temperature (Cel) 260
Terminal Finish NICKEL PALLADIUM GOLD
Time@Peak Reflow Temperature-Max (s) 30

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