74F551PC vs 74F551FCQR feature comparison

74F551PC Texas Instruments

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74F551FCQR Texas Instruments

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Rohs Code No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer NATIONAL SEMICONDUCTOR CORP NATIONAL SEMICONDUCTOR CORP
Package Description DIP, DIP28,.6 DFP,
Reach Compliance Code unknown unknown
HTS Code 8542.39.00.01 8542.39.00.01
Additional Feature CLOCK ENABLE; IOL = 24MA @ VOL = 0.5V FOR PORT A; IOH = 3MA @ VOH = 2.4V FOR PORT A WITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION
Control Type INDEPENDENT CONTROL
Count Direction BIDIRECTIONAL
Family F/FAST F/FAST
JESD-30 Code R-PDIP-T28 R-GDFP-F28
JESD-609 Code e0
Length 35.725 mm 17.8435 mm
Load Capacitance (CL) 50 pF
Logic IC Type REGISTERED BUS TRANSCEIVER REGISTERED BUS TRANSCEIVER
Max I(ol) 0.064 A
Number of Bits 8 8
Number of Functions 1 1
Number of Ports 2 2
Number of Terminals 28 28
Operating Temperature-Max 70 °C 70 °C
Operating Temperature-Min
Output Characteristics 3-STATE 3-STATE
Output Polarity INVERTED INVERTED
Package Body Material PLASTIC/EPOXY CERAMIC, GLASS-SEALED
Package Code DIP DFP
Package Equivalence Code DIP28,.6
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE FLATPACK
Power Supply Current-Max (ICC) 140 mA
Prop. Delay@Nom-Sup 13 ns
Propagation Delay (tpd) 10 ns 10 ns
Qualification Status Not Qualified Not Qualified
Seated Height-Max 5.334 mm 2.286 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 NO YES
Technology TTL TTL
Temperature Grade COMMERCIAL COMMERCIAL
Terminal Finish TIN LEAD
Terminal Form THROUGH-HOLE FLAT
Terminal Pitch 2.54 mm 1.27 mm
Terminal Position DUAL DUAL
Trigger Type POSITIVE EDGE
Width 15.24 mm 8.382 mm
Base Number Matches 2 1

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