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SN74LS191DG4 by: Texas Instruments

Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDSO16

Part Details for SN74LS191DG4 by Texas Instruments

Results Overview of SN74LS191DG4 by Texas Instruments

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Applications Education and Research Space Technology Aerospace and Defense Automotive

SN74LS191DG4 Information

SN74LS191DG4 by Texas Instruments is a Counter.
Counters are under the broader part category of Logic Components.

Digital logic governs the behavior of signals in electronic circuits, enabling complex decisions based on simple binary inputs (yes/no). Logic components perform operations from these signals. Read more about Logic Components on our Logic part category page.

Price & Stock for SN74LS191DG4

Part # Distributor Description Stock Price Buy
Vyrian Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDSO16 3800
RFQ

US Tariff Estimator: SN74LS191DG4 by Texas Instruments

Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.

SN74LS191DG4
Texas Instruments
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SN74LS191DG4 Part Data Attributes

SN74LS191DG4 Texas Instruments
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SN74LS191DG4 Texas Instruments Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDSO16
Pbfree Code No
Rohs Code Yes
Part Life Cycle Code Obsolete
Part Package Code SOIC
Package Description Sop-16
Pin Count 16
HTS Code 8542.39.00.60
Additional Feature Tco Output
Count Direction Bidirectional
Family Ls
JESD-30 Code R-PDSO-G16
JESD-609 Code e4
Length 9.9 Mm
Load Capacitance (CL) 15 Pf
Load/Preset Input Yes
Logic IC Type Binary Counter
Max Frequency@Nom-Sup 20000000 Hz
Max I(ol) 0.008 A
Mode of Operation Synchronous
Moisture Sensitivity Level 1
Number of Bits 4
Number of Functions 1
Number of Terminals 16
Operating Temperature-Max 70 °C
Operating Temperature-Min
Package Body Material Plastic/Epoxy
Package Code SOP
Package Equivalence Code SOP16,.25
Package Shape Rectangular
Package Style Small Outline
Peak Reflow Temperature (Cel) 260
Power Supply Current-Max (ICC) 35 Ma
Prop. Delay@Nom-Sup 36 Ns
Propagation Delay (tpd) 36 Ns
Qualification Status Not Qualified
Seated Height-Max 1.75 Mm
Supply Voltage-Max (Vsup) 5.25 V
Supply Voltage-Min (Vsup) 4.75 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount Yes
Technology Ttl
Temperature Grade Commercial
Terminal Finish Nickel Palladium Gold
Terminal Form Gull Wing
Terminal Pitch 1.27 Mm
Terminal Position Dual
Time@Peak Reflow Temperature-Max (s) 30
Trigger Type Positive Edge
Width 3.9 Mm
fmax-Min 20 Mhz

Alternate Parts for SN74LS191DG4

This table gives cross-reference parts and alternative options found for SN74LS191DG4. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of SN74LS191DG4, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
SN74LS191D Texas Instruments $0.5157 Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDSO16 SN74LS191DG4 vs SN74LS191D
DM74LS191MX Fairchild Semiconductor Corporation Check for Price Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDSO16 SN74LS191DG4 vs DM74LS191MX
T74LS191M1 STMicroelectronics Check for Price Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDSO16 SN74LS191DG4 vs T74LS191M1
SN74LS191DRG4 Texas Instruments Check for Price Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDSO16 SN74LS191DG4 vs SN74LS191DRG4
SN74LS191DRE4 Texas Instruments Check for Price Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDSO16 SN74LS191DG4 vs SN74LS191DRE4
SN74LS191DE4 Texas Instruments Check for Price Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDSO16 SN74LS191DG4 vs SN74LS191DE4
Part Number Manufacturer Composite Price Description Compare
N74LS191B Signetics Check for Price Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDIP16 SN74LS191DG4 vs N74LS191B
DM74LS191N Fairchild Semiconductor Corporation Check for Price Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDIP16 SN74LS191DG4 vs DM74LS191N
76009012A Defense Logistics Agency Check for Price Binary Counter, HC/UH Series, Asynchronous, Negative Edge Triggered, 12-Bit, Up Direction, CMOS, CDFP16 SN74LS191DG4 vs 76009012A
74LS191PCQR Rochester Electronics LLC Check for Price Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDIP16 SN74LS191DG4 vs 74LS191PCQR
76009012A Texas Instruments Check for Price Binary Counter, HC/UH Series, Asynchronous, Negative Edge Triggered, 12-Bit, Up Direction, CMOS, CDFP16 SN74LS191DG4 vs 76009012A
M38510/31509B2X Motorola Semiconductor Products Check for Price Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, CQCC20 SN74LS191DG4 vs M38510/31509B2X
SN74LS191NT AMD Check for Price Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDIP16 SN74LS191DG4 vs SN74LS191NT
76009012A Motorola Semiconductor Products Check for Price Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, CQCC20 SN74LS191DG4 vs 76009012A
74LS191N Rochester Electronics LLC Check for Price Decade Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDIP16 SN74LS191DG4 vs 74LS191N
M38510/31509B2C Lansdale Semiconductor Inc Check for Price Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, CQCC20 SN74LS191DG4 vs M38510/31509B2C
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