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ALLCHIPS ELECTRONICS LIMITED

Image Name Manufacturer Quantity Mfr Series Package Product Status Operating Temperature Mounting Type Package / Case Type Features Base Product Number Input Type Output Type Direction Number of Circuits Voltage - Supply Supplier Device Package DataSheet RoHS Status Moisture Sensitivity Level (MSL) REACH Status ECCN HTSUS Standard Package Logic Type Number of Elements Number of Bits per Element Current - Output High, Low Function Current - Quiescent (Max) Number of Bits Number of Inputs Clock Frequency Voltage Supply Source Reset Timing Count Rate Trigger Type Max Propagation Delay @ V, Max CL Current - Quiescent (Iq) Input Logic Level - Low Input Logic Level - High Circuit Independent Circuits Delay Time - Propagation Supply Voltage
Texas Instruments SN74LS165AD Texas Instruments SN74LS165AD Texas Instruments
RFQ

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/image/Texas Instruments 74LS Tube Active 0°C ~ 70°C Surface Mount 16-SOIC (0.154", 3.90mm Width) 74LS165 Complementary 4.75V ~ 5.25V 16-SOIC download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 40 Shift Register 1 8 Parallel or Serial to Serial
Texas Instruments SN74LS166ANSR Texas Instruments SN74LS166ANSR Texas Instruments
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/image/Texas Instruments 74LS Tape & Reel (TR) Active 0°C ~ 70°C Surface Mount 16-SOIC (0.209", 5.30mm Width) 74LS166 Push-Pull 4.75V ~ 5.25V 16-SO download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 2,000 Shift Register 1 8 Parallel or Serial to Serial
Texas Instruments SN74LS169BNSR Texas Instruments SN74LS169BNSR Texas Instruments
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/image/Texas Instruments 74LS Tape & Reel (TR) Obsolete 0°C ~ 70°C Surface Mount 16-SOIC (0.209", 5.30mm Width) 74LS169 Up, Down 4.75 V ~ 5.25 V 16-SO download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 2,000 Binary Counter 1 4 - Synchronous 25 MHz Positive Edge
Texas Instruments SN74LS173ADRE4 Texas Instruments SN74LS173ADRE4 Texas Instruments
RFQ

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/image/Texas Instruments 74LS Tape & Reel (TR) Obsolete 0°C ~ 70°C (TA) Surface Mount 16-SOIC (0.154", 3.90mm Width) D-Type 74LS173 Tri-State, Non-Inverted 4.75V ~ 5.25V 16-SOIC download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 2,500 1 4 2.6mA, 24mA Master Reset 50 MHz Positive Edge 25ns @ 5V, 45pF 24 mA
Texas Instruments SN74LS174D Texas Instruments SN74LS174D Texas Instruments
RFQ

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/image/Texas Instruments 74LS Tube Active 0°C ~ 70°C (TA) Surface Mount 16-SOIC (0.154", 3.90mm Width) D-Type 74LS174 Non-Inverted 4.75V ~ 5.25V 16-SOIC download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 40 1 6 400µA, 8mA Master Reset 40 MHz Positive Edge 30ns @ 5V, 15pF 26 mA
Texas Instruments SN74LS175DR Texas Instruments SN74LS175DR Texas Instruments
RFQ

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/image/Texas Instruments 74LS Tape & Reel (TR) Active 0°C ~ 70°C (TA) Surface Mount 16-SOIC (0.154", 3.90mm Width) D-Type 74LS175 Complementary 4.75V ~ 5.25V 16-SOIC download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 2,500 1 4 400µA, 8mA Master Reset 40 MHz Positive Edge 25ns @ 5V, 15pF 18 mA
Texas Instruments SN74LS191DR Texas Instruments SN74LS191DR Texas Instruments
RFQ

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/image/Texas Instruments 74LS Tape & Reel (TR) Active 0°C ~ 70°C Surface Mount 16-SOIC (0.154", 3.90mm Width) 74LS191 Up, Down 4.75 V ~ 5.25 V 16-SOIC download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 2,500 Binary Counter 1 4 - Synchronous 25 MHz Positive Edge
Texas Instruments SN74LS191NSR Texas Instruments SN74LS191NSR Texas Instruments
RFQ

Min: 1

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/image/Texas Instruments 74LS Tape & Reel (TR) Active 0°C ~ 70°C Surface Mount 16-SOIC (0.209", 5.30mm Width) 74LS191 Up, Down 4.75 V ~ 5.25 V 16-SO download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 2,000 Binary Counter 1 4 - Synchronous 25 MHz Positive Edge
Texas Instruments SN74LS193DR Texas Instruments SN74LS193DR Texas Instruments
RFQ

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/image/Texas Instruments 74LS Tape & Reel (TR) Active 0°C ~ 70°C Surface Mount 16-SOIC (0.154", 3.90mm Width) 74LS193 Up, Down 4.75 V ~ 5.25 V 16-SOIC download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 2,500 Binary Counter 1 4 Asynchronous Synchronous 32 MHz Positive Edge
Texas Instruments SN74LS193NSR Texas Instruments SN74LS193NSR Texas Instruments
RFQ

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/image/Texas Instruments 74LS Tape & Reel (TR) Active 0°C ~ 70°C Surface Mount 16-SOIC (0.209", 5.30mm Width) 74LS193 Up, Down 4.75 V ~ 5.25 V 16-SO download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 2,000 Binary Counter 1 4 Asynchronous Synchronous 32 MHz Positive Edge
Texas Instruments SN74LS194ADR Texas Instruments SN74LS194ADR Texas Instruments
RFQ

Min: 1

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/image/Texas Instruments 74LS Tape & Reel (TR) Obsolete 0°C ~ 70°C Surface Mount 16-SOIC (0.154", 3.90mm Width) 74LS194 Push-Pull 4.75V ~ 5.25V 16-SOIC download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 2,500 Register, Bidirectional 1 4 Universal
Texas Instruments SN74LS194ADRE4 Texas Instruments SN74LS194ADRE4 Texas Instruments
RFQ

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/image/Texas Instruments 74LS Tape & Reel (TR) Obsolete 0°C ~ 70°C Surface Mount 16-SOIC (0.154", 3.90mm Width) 74LS194 Push-Pull 4.75V ~ 5.25V 16-SOIC download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 2,500 Register, Bidirectional 1 4 Universal
Texas Instruments SN74LS19ADE4 Texas Instruments SN74LS19ADE4 Texas Instruments
RFQ

Min: 1

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/image/Texas Instruments 74LS Tube Obsolete 0°C ~ 70°C Surface Mount 14-SOIC (0.154", 3.90mm Width) Schmitt Trigger 74LS19 6 4.75V ~ 5.25V 14-SOIC download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 600 Inverter 400µA, 8mA 1 30ns @ 5V, 15pF 0.75V 2.15V
Texas Instruments SN74LS19ANSR Texas Instruments SN74LS19ANSR Texas Instruments
RFQ

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/image/Texas Instruments 74LS Tape & Reel (TR) Active 0°C ~ 70°C Surface Mount 14-SOIC (0.209", 5.30mm Width) Schmitt Trigger 74LS19 6 4.75V ~ 5.25V 14-SO download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 2,000 Inverter 400µA, 8mA 1 30ns @ 5V, 15pF 0.75V 2.15V
Texas Instruments SN74LS20D Texas Instruments SN74LS20D Texas Instruments
RFQ

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/image/Texas Instruments 74LS Tube Active 0°C ~ 70°C Surface Mount 14-SOIC (0.154", 3.90mm Width) - 74LS20 2 4.75V ~ 5.25V 14-SOIC download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 50 NAND Gate 400µA, 8mA 800 µA 4 15ns @ 5V, 15pF 0.8V 2V
Texas Instruments SN74LS241DWR Texas Instruments SN74LS241DWR Texas Instruments
RFQ

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/image/Texas Instruments 74LS Tape & Reel (TR) Active 0°C ~ 70°C (TA) Surface Mount 20-SOIC (0.295", 7.50mm Width) 74LS241 - 3-State 4.75V ~ 5.25V 20-SOIC download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 2,000 Buffer, Non-Inverting 2 4 15mA, 24mA
Texas Instruments SN74LS244DBR Texas Instruments SN74LS244DBR Texas Instruments
RFQ

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/image/Texas Instruments 74LS Tape & Reel (TR) Active 0°C ~ 70°C (TA) Surface Mount 20-SSOP (0.209", 5.30mm Width) 74LS244 - 3-State 4.75V ~ 5.25V 20-SSOP download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 2,000 Buffer, Non-Inverting 2 4 15mA, 24mA
Texas Instruments SN74LS244DWG4 Texas Instruments SN74LS244DWG4 Texas Instruments
RFQ

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/image/Texas Instruments 74LS Tube Discontinued at Digi-Key 0°C ~ 70°C (TA) Surface Mount 20-SOIC (0.295", 7.50mm Width) 74LS244 - 3-State 4.75V ~ 5.25V 20-SOIC download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 25 Buffer, Non-Inverting 2 4 15mA, 24mA
Texas Instruments SN74LS245DBR Texas Instruments SN74LS245DBR Texas Instruments
RFQ

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/image/Texas Instruments 74LS Tape & Reel (TR) Active 0°C ~ 70°C (TA) Surface Mount 20-SSOP (0.209", 5.30mm Width) 74LS245 - 3-State 4.75V ~ 5.25V 20-SSOP download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 2,000 Transceiver, Non-Inverting 1 8 15mA, 24mA
Texas Instruments SN74LS245DWG4 Texas Instruments SN74LS245DWG4 Texas Instruments
RFQ

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/image/Texas Instruments 74LS Tube Obsolete 0°C ~ 70°C (TA) Surface Mount 20-SOIC (0.295", 7.50mm Width) 74LS245 - 3-State 4.75V ~ 5.25V 20-SOIC download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 25 Transceiver, Non-Inverting 1 8 15mA, 24mA
Texas Instruments SN74LS251NSR Texas Instruments SN74LS251NSR Texas Instruments
RFQ

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/image/Texas Instruments 74LS Tape & Reel (TR) Active 0°C ~ 70°C Surface Mount 16-SOIC (0.209", 5.30mm Width) Multiplexer 74LS251 4.75V ~ 5.25V 16-SO download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 2,000 2.6mA, 8mA Single Supply 1 x 8:1 1
Texas Instruments SN74LS253NSR Texas Instruments SN74LS253NSR Texas Instruments
RFQ

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/image/Texas Instruments 74LS Tape & Reel (TR) Discontinued at Digi-Key 0°C ~ 70°C Surface Mount 16-SOIC (0.209", 5.30mm Width) Multiplexer 74LS253 4.75V ~ 5.25V 16-SO download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 2,000 2.6mA, 8mA Single Supply 2 x 4:1 1
Texas Instruments SN74LS257BDR Texas Instruments SN74LS257BDR Texas Instruments
RFQ

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/image/Texas Instruments 74LS Tape & Reel (TR) Active 0°C ~ 70°C Surface Mount 16-SOIC (0.154", 3.90mm Width) Multiplexer 74LS257 4.75V ~ 5.25V 16-SOIC download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 2,500 2.6mA, 24mA Single Supply 4 x 2:1 1
Texas Instruments SN74LS259BNSR Texas Instruments SN74LS259BNSR Texas Instruments
RFQ

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/image/Texas Instruments 74LS Tape & Reel (TR) Obsolete 0°C ~ 70°C Surface Mount 16-SOIC (0.209", 5.30mm Width) 74LS259 Standard 4.75V ~ 5.25V 16-SO download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 2,000 D-Type, Addressable 400µA, 8mA 1:8 1 19ns
Texas Instruments SN74LS266NSR Texas Instruments SN74LS266NSR Texas Instruments
RFQ

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/image/Texas Instruments 74LS Tape & Reel (TR) Obsolete 0°C ~ 70°C Surface Mount 14-SOIC (0.209", 5.30mm Width) Open Collector 74LS266 4 4.75V ~ 5.25V 14-SO download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 2,000 XNOR (Exclusive NOR) -, 8mA 2 30ns @ 5V, 15pF 0.8V 2V
Texas Instruments SN74LS26DE4 Texas Instruments SN74LS26DE4 Texas Instruments
RFQ

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/image/Texas Instruments 74LS Tube Discontinued at Digi-Key 0°C ~ 70°C Surface Mount 14-SOIC (0.154", 3.90mm Width) Open Collector 74LS26 4 4.75V ~ 5.25V 14-SOIC download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 50 NAND Gate -, 8mA 2 32ns @ 5V, 15pF 0.8V 2V
Texas Instruments SN74LS273DW Texas Instruments SN74LS273DW Texas Instruments
RFQ

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/image/Texas Instruments 74LS Tube Active 0°C ~ 70°C (TA) Surface Mount 20-SOIC (0.295", 7.50mm Width) D-Type 74LS273 Non-Inverted 4.75V ~ 5.25V 20-SOIC download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 25 1 8 400µA, 8mA Master Reset 40 MHz Positive Edge 27ns @ 5V, 15pF 27 mA
Texas Instruments SN74LS283DRE4 Texas Instruments SN74LS283DRE4 Texas Instruments
RFQ

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/image/Texas Instruments 74LS Tape & Reel (TR) Obsolete 0°C ~ 70°C Surface Mount 16-SOIC (0.154", 3.90mm Width) 74LS283 16-SOIC download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 2,500 Binary Full Adder with Fast Carry 4 4.75V ~ 5.25V
Texas Instruments SN74LS283NSR Texas Instruments SN74LS283NSR Texas Instruments
RFQ

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/image/Texas Instruments 74LS Tape & Reel (TR) Active 0°C ~ 70°C Surface Mount 16-SOIC (0.209", 5.30mm Width) 74LS283 16-SO download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 2,000 Binary Full Adder with Fast Carry 4 4.75V ~ 5.25V
Texas Instruments SN74LS293DR Texas Instruments SN74LS293DR Texas Instruments
RFQ

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/image/Texas Instruments 74LS Tape & Reel (TR) Obsolete 0°C ~ 70°C Surface Mount 14-SOIC (0.154", 3.90mm Width) 74LS293 Up 4.75 V ~ 5.25 V 14-SOIC download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 2,500 Binary Counter 1 4 Synchronous - 42 MHz Positive Edge

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