HCF40147BC1 vs 74AC521LCQR feature comparison

HCF40147BC1 STMicroelectronics

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74AC521LCQR Texas Instruments

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Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer STMICROELECTRONICS NATIONAL SEMICONDUCTOR CORP
Part Package Code QLCC QLCC
Package Description QCCJ, LDCC20,.4SQ QCCN,
Pin Count 20 20
Reach Compliance Code compliant unknown
HTS Code 8542.39.00.01 8542.39.00.01
Additional Feature 10 TO 4 LINE PRIORITY ENCODER CASCADABLE
Family 4000/14000/40000 AC
JESD-30 Code S-PQCC-J20 S-CQCC-N20
JESD-609 Code e3
Length 8.9662 mm 8.89 mm
Load Capacitance (CL) 50 pF 50 pF
Logic IC Type ENCODER IDENTITY COMPARATOR
Number of Bits 10 8
Number of Functions 1 1
Number of Terminals 20 20
Operating Temperature-Max 85 °C 85 °C
Operating Temperature-Min -40 °C -40 °C
Package Body Material PLASTIC/EPOXY CERAMIC, METAL-SEALED COFIRED
Package Code QCCJ QCCN
Package Equivalence Code LDCC20,.4SQ
Package Shape SQUARE SQUARE
Package Style CHIP CARRIER CHIP CARRIER
Propagation Delay (tpd) 900 ns 12.5 ns
Qualification Status Not Qualified Not Qualified
Seated Height-Max 4.57 mm 1.905 mm
Supply Voltage-Max (Vsup) 15 V 6 V
Supply Voltage-Min (Vsup) 3 V 2 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount YES YES
Technology CMOS CMOS
Temperature Grade INDUSTRIAL INDUSTRIAL
Terminal Finish MATTE TIN
Terminal Form J BEND NO LEAD
Terminal Pitch 1.27 mm 1.27 mm
Terminal Position QUAD QUAD
Width 8.9662 mm 8.89 mm
Base Number Matches 1 2
Output Polarity INVERTED
Power Supply Current-Max (ICC) 0.04 mA

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Compare 74AC521LCQR with alternatives