QS74FCT521CTL vs IDT54FCT521CTLB feature comparison

QS74FCT521CTL Quality Semiconductor Inc

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IDT54FCT521CTLB Integrated Device Technology Inc

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Rohs Code No No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer QUALITY SEMICONDUCTOR INC INTEGRATED DEVICE TECHNOLOGY INC
Package Description QCCN, LCC20,.35SQ QCCN, LCC20,.35SQ
Reach Compliance Code unknown not_compliant
Additional Feature CASCADABLE CASCADABLE
Family FCT FCT
JESD-30 Code S-CQCC-N20 S-CQCC-N20
JESD-609 Code e0 e0
Load Capacitance (CL) 50 pF 50 pF
Logic IC Type IDENTITY COMPARATOR IDENTITY COMPARATOR
Number of Bits 8 8
Number of Functions 1 1
Number of Terminals 20 20
Operating Temperature-Max 70 °C 125 °C
Operating Temperature-Min -55 °C
Output Polarity INVERTED INVERTED
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
Propagation Delay (tpd) 4.5 ns 5.1 ns
Qualification Status Not Qualified Not Qualified
Supply Voltage-Max (Vsup) 5.25 V 5.5 V
Supply Voltage-Min (Vsup) 4.75 V 4.5 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount YES YES
Technology CMOS CMOS
Temperature Grade COMMERCIAL MILITARY
Terminal Finish TIN LEAD TIN LEAD
Terminal Form NO LEAD NO LEAD
Terminal Pitch 1.27 mm 1.27 mm
Terminal Position QUAD QUAD
Base Number Matches 1 1
Part Package Code QLCC
Pin Count 20
HTS Code 8542.39.00.01
Length 8.89 mm
Screening Level MIL-STD-883 Class B
Seated Height-Max 2.54 mm
Width 8.89 mm

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