Datasheets
SN54LS77W by:
Texas Instruments

D Latch, LS Series, 2-Func, High Level Triggered, 2-Bit, True Output, TTL, CDFP14

Part Details for SN54LS77W by Texas Instruments

Results Overview of SN54LS77W by Texas Instruments

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Applications Consumer Electronics Aerospace and Defense Energy and Power Systems Healthcare

SN54LS77W Information

SN54LS77W by Texas Instruments is an FF/Latch.
FF/Latches 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 SN54LS77W

Part # Distributor Description Stock Price Buy
Vyrian D Latch, LS Series, 2-Func, High Level Triggered, 2-Bit, True Output, TTL, CDFP14 4530
RFQ

US Tariff Estimator: SN54LS77W by Texas Instruments

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SN54LS77W
Texas Instruments
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SN54LS77W Part Data Attributes

SN54LS77W Texas Instruments
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SN54LS77W Texas Instruments D Latch, LS Series, 2-Func, High Level Triggered, 2-Bit, True Output, TTL, CDFP14
Part Life Cycle Code Obsolete
Package Description Dfp-14
HTS Code 8542.39.00.60
Family Ls
JESD-30 Code R-CDFP-F14
Length 9.21 Mm
Load Capacitance (CL) 15 Pf
Logic IC Type D Latch
Max I(ol) 0.004 A
Number of Bits 2
Number of Functions 2
Number of Terminals 14
Operating Temperature-Max 125 °C
Operating Temperature-Min -55 °C
Output Characteristics Totem-Pole
Output Polarity True
Package Body Material Ceramic, Metal-Sealed Cofired
Package Code DFP
Package Equivalence Code FL14,.3
Package Shape Rectangular
Package Style Flatpack
Peak Reflow Temperature (Cel) Not Specified
Power Supply Current-Max (ICC) 13 Ma
Prop. Delay@Nom-Sup 18 Ns
Propagation Delay (tpd) 18 Ns
Qualification Status Not Qualified
Seated Height-Max 2.03 Mm
Supply Voltage-Max (Vsup) 5.5 V
Supply Voltage-Min (Vsup) 4.5 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount Yes
Technology Ttl
Temperature Grade Military
Terminal Form Flat
Terminal Pitch 1.27 Mm
Terminal Position Dual
Time@Peak Reflow Temperature-Max (s) Not Specified
Trigger Type High Level
Width 6.29 Mm

Alternate Parts for SN54LS77W

This table gives cross-reference parts and alternative options found for SN54LS77W. 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 SN54LS77W, 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
SNJ54LS114AW-10 Texas Instruments Check for Price J-K Flip-Flop, LS Series, 1-Func, Negative Edge Triggered, 2-Bit, Complementary Output, TTL, CDFP14 SN54LS77W vs SNJ54LS114AW-10
SN54LS77W-00 Texas Instruments Check for Price D Latch, LS Series, 2-Func, High Level Triggered, 2-Bit, True Output, TTL, CDFP14 SN54LS77W vs SN54LS77W-00
Part Number Manufacturer Composite Price Description Compare
SNJ54LS114AW-00 Texas Instruments Check for Price J-K Flip-Flop, LS Series, 1-Func, Negative Edge Triggered, 2-Bit, Complementary Output, TTL, CDFP14 SN54LS77W vs SNJ54LS114AW-00
SN54LS77W-10 Texas Instruments Check for Price D Latch, LS Series, 2-Func, High Level Triggered, 2-Bit, True Output, TTL, CDFP14 SN54LS77W vs SN54LS77W-10
M38510/30105B2A Rochester Electronics LLC Check for Price J-K Flip-Flop, LS Series, 2-Func, Negative Edge Triggered, 2-Bit, Complementary Output, TTL, CQCC20 SN54LS77W vs M38510/30105B2A
DV74LS114AD avg Semiconductors Check for Price J-K Flip-Flop, LS Series, 2-Func, Negative Edge Triggered, 2-Bit, Complementary Output, TTL, PDSO14 SN54LS77W vs DV74LS114AD
SN74LS114ADR2 Motorola Semiconductor Products Check for Price J-K Flip-Flop, LS Series, 1-Func, Negative Edge Triggered, 2-Bit, Complementary Output, TTL, PDSO14 SN54LS77W vs SN74LS114ADR2
HD74LS114RP Hitachi Ltd Check for Price J-K Flip-Flop, LS Series, 1-Func, Negative Edge Triggered, 2-Bit, Complementary Output, TTL, PDSO14 SN54LS77W vs HD74LS114RP
SN74LS114AD Rochester Electronics LLC Check for Price J-K Flip-Flop, LS Series, 1-Func, Negative Edge Triggered, 2-Bit, Complementary Output, TTL, PDSO14 SN54LS77W vs SN74LS114AD
HD74LS114FP-EL Renesas Electronics Corporation Check for Price J-K Flip-Flop, LS Series, 1-Func, Negative Edge Triggered, 2-Bit, Complementary Output, TTL, PDSO14 SN54LS77W vs HD74LS114FP-EL
SNJ54LS114AFK Texas Instruments Check for Price J-K Flip-Flop, LS Series, 1-Func, Negative Edge Triggered, 2-Bit, Complementary Output, TTL, CQCC20 SN54LS77W vs SNJ54LS114AFK
HD74LS114FP Renesas Electronics Corporation Check for Price J-K Flip-Flop, LS Series, 1-Func, Negative Edge Triggered, 2-Bit, Complementary Output, TTL, PDSO14 SN54LS77W vs HD74LS114FP
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