DM74LS191MX vs SN74LS191DR feature comparison

DM74LS191MX Fairchild Semiconductor Corporation

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SN74LS191DR Texas Instruments

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Rohs Code No Yes
Part Life Cycle Code Obsolete Active
Ihs Manufacturer FAIRCHILD SEMICONDUCTOR CORP TEXAS INSTRUMENTS INC
Package Description SOP, SOP16,.25 SOP-16
Reach Compliance Code unknown compliant
HTS Code 8542.39.00.01 8542.39.00.01
Count Direction BIDIRECTIONAL BIDIRECTIONAL
Family LS LS
JESD-30 Code R-PDSO-G16 R-PDSO-G16
JESD-609 Code e0 e4
Load/Preset Input YES YES
Logic IC Type BINARY COUNTER BINARY COUNTER
Max Frequency@Nom-Sup 20000000 Hz 20000000 Hz
Max I(ol) 0.008 A 0.016 A
Mode of Operation SYNCHRONOUS SYNCHRONOUS
Number of Bits 4 4
Number of Functions 1 1
Number of Terminals 16 16
Operating Temperature-Max 70 °C 70 °C
Operating Temperature-Min
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code SOP SOP
Package Equivalence Code SOP16,.25 SOP16,.25
Package Shape RECTANGULAR RECTANGULAR
Package Style SMALL OUTLINE SMALL OUTLINE
Packing Method TR TR
Power Supply Current-Max (ICC) 35 mA 35 mA
Propagation Delay (tpd) 45 ns 36 ns
Qualification Status Not Qualified Not Qualified
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 Tin/Lead (Sn/Pb) Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form GULL WING GULL WING
Terminal Pitch 1.27 mm 1.27 mm
Terminal Position DUAL DUAL
Trigger Type POSITIVE EDGE POSITIVE EDGE
Base Number Matches 1 3
Pbfree Code Yes
Part Package Code SOIC
Pin Count 16
ECCN Code EAR99
Samacsys Manufacturer Texas Instruments
Additional Feature TCO OUTPUT
Length 9.9 mm
Load Capacitance (CL) 15 pF
Moisture Sensitivity Level 1
Peak Reflow Temperature (Cel) 260
Prop. Delay@Nom-Sup 52 ns
Seated Height-Max 1.75 mm
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Width 3.9 mm
fmax-Min 20 MHz

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