SN74LS244MEL vs SN74LS244MR1 feature comparison

SN74LS244MEL onsemi

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SN74LS244MR1 onsemi

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Rohs Code Yes No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer ONSEMI ONSEMI
Part Package Code SOIC SOIC
Package Description EIAJ, SOIC-20 EIAJ, SOIC-20
Pin Count 20 20
Reach Compliance Code unknown not_compliant
HTS Code 8542.39.00.01 8542.39.00.01
Control Type ENABLE LOW ENABLE LOW
Family LS LS
JESD-30 Code R-PDSO-G20 R-PDSO-G20
JESD-609 Code e4 e0
Length 12.575 mm 12.575 mm
Load Capacitance (CL) 45 pF 45 pF
Logic IC Type BUS DRIVER BUS DRIVER
Max I(ol) 0.024 A 0.024 A
Moisture Sensitivity Level 1
Number of Bits 4 4
Number of Functions 2 2
Number of Ports 2 2
Number of Terminals 20 20
Operating Temperature-Max 70 °C 70 °C
Operating Temperature-Min
Output Characteristics 3-STATE 3-STATE
Output Polarity TRUE TRUE
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code SOP SOP
Package Equivalence Code SOP20,.3 SOP20,.3
Package Shape RECTANGULAR RECTANGULAR
Package Style SMALL OUTLINE SMALL OUTLINE
Packing Method TR TR
Power Supply Current-Max (ICC) 54 mA 54 mA
Prop. Delay@Nom-Sup 18 ns 18 ns
Propagation Delay (tpd) 18 ns 18 ns
Qualification Status Not Qualified Not Qualified
Seated Height-Max 2.05 mm 2.05 mm
Supply Voltage-Max (Vsup) 5.25 V 5.25 V
Supply Voltage-Min (Vsup) 4.75 V 4.75 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount YES YES
Technology TTL TTL
Temperature Grade COMMERCIAL COMMERCIAL
Terminal Finish NICKEL PALLADIUM GOLD TIN LEAD
Terminal Form GULL WING GULL WING
Terminal Pitch 1.27 mm 1.27 mm
Terminal Position DUAL DUAL
Width 5.275 mm 5.275 mm
Base Number Matches 1 1

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