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SN74LS191DR Tech Specifications

Category Logic - Counters, Dividers
Manufacturer Texas Instruments
Lifecycle Status ACTIVE (Last Updated: 5 days ago)
Factory Lead Time 6 Weeks
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 16-SOIC (0.154, 3.90mm Width)
Number of Pins 16Pins
Weight 141.690917mg
Clock-Edge Trigger Type Positive Edge
Number of Elements 1 Element
Operating Temperature 0°C~70°C
Packaging Tape & Reel (TR)
Series 74LS
JESD-609 Code e4
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 16Terminations
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Additional Feature TCO OUTPUT
Packing Method TR
Voltage - Supply 4.75V~5.25V
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Number of Functions 1Function
Supply Voltage 5V
Frequency 25MHz
Base Part Number 74LS191
Pin Count 16
Operating Supply Voltage 5V
Power Supplies 5V
Propagation Delay 52 ns
Turn On Delay Time 52 ns
Family LS
Logic Function Counter
Direction Up, Down
Logic Type Binary Counter
Number of Bits per Element 4Bits per Elements
Trigger Type Positive Edge
fmax-Min 20 MHz
Load/Preset Input YES
Timing Synchronous
Height 1.75mm
Length 9.9mm
Width 3.91mm
Thickness 1.58mm
Radiation Hardening No
RoHS Status ROHS3 Compliant
Lead Free Contains Lead
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