SN54LS490W-10 vs SN54LS490FK feature comparison

SN54LS490W-10 Texas Instruments

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SN54LS490FK Rochester Electronics LLC

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Part Life Cycle Code Obsolete Active
Ihs Manufacturer TEXAS INSTRUMENTS INC ROCHESTER ELECTRONICS LLC
Package Description DFP, QCCN,
Reach Compliance Code unknown unknown
HTS Code 8542.39.00.01 8542.39.00.01
Count Direction UP UP
Family LS LS
JESD-30 Code R-GDFP-F16 S-CQCC-N20
Length 10.2 mm 8.89 mm
Load Capacitance (CL) 15 pF
Load/Preset Input YES YES
Logic IC Type DECADE COUNTER DECADE COUNTER
Mode of Operation ASYNCHRONOUS ASYNCHRONOUS
Number of Bits 4 4
Number of Functions 2 2
Number of Terminals 16 20
Operating Temperature-Max 125 °C 125 °C
Operating Temperature-Min -55 °C -55 °C
Package Body Material CERAMIC, GLASS-SEALED CERAMIC, METAL-SEALED COFIRED
Package Code DFP QCCN
Package Shape RECTANGULAR SQUARE
Package Style FLATPACK CHIP CARRIER
Power Supply Current-Max (ICC) 26 mA
Propagation Delay (tpd) 54 ns 54 ns
Qualification Status Not Qualified
Seated Height-Max 2.03 mm 2.03 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 TTL TTL
Temperature Grade MILITARY MILITARY
Terminal Form FLAT NO LEAD
Terminal Pitch 1.27 mm 1.27 mm
Terminal Position DUAL QUAD
Trigger Type NEGATIVE EDGE NEGATIVE EDGE
Width 6.73 mm 8.89 mm
fmax-Min 35 MHz 25 MHz
Base Number Matches 1 2
JESD-609 Code e0
Terminal Finish TIN LEAD

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