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SN74LS191DR
Texas InstrumentsRoHS 
RoHS compliant
RoHS compliantPackage 16-SOIC (0.154, 3.90mm Width)
Category Logic - Counters, Dividers / Logic - Counters, Dividers
Description
Tape & Reel (TR) Active e4 74LS191 logic counter 52ns 3.91mm 5V 25MHz
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Inventory: 7473
Minimum: 1
Total Price: USD $0.28
Unit Price: USD $0.27645
≥1 USD $0.27645
≥10 USD $0.22705
≥30 USD $0.2204
≥100 USD $0.2128
≥500 USD $0.20615
≥1000 USD $0.1843
Technical Details
Supply Chain
Factory Lead Time 6 Weeks
Lifecycle Status ACTIVE (Last Updated: 5 days ago)
Physical
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 16-SOIC (0.154, 3.90mm Width)
Number of Pins 16
Weight 141.690917mg
Dimensions
Height 1.75mm
Length 9.9mm
Width 3.91mm
Thickness 1.58mm
Technical
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 16
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Additional Feature TCO OUTPUT
Packing Method TR
Technology TTL
Voltage - Supply 4.75V~5.25V
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Supply Voltage 5V
Frequency 25MHz
Base Part Number 74LS191
Pin Count 16
Operating Supply Voltage 5V
Number of Elements 1
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 4
Trigger Type Positive Edge
fmax-Min 20 MHz
Clock Edge Trigger Type Positive Edge
Load/Preset Input YES
Timing Synchronous
Compliance
Radiation Hardening No
RoHS Status ROHS3 Compliant
Lead Free Contains Lead
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