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74LS Series

The 74LS Series is High Speed, TTL Logic Gate Chips including AND, OR, NAND Gates as well as counters, shift registers, and multiplexers

74ls574 datasheet

The 74LS574 is a part of the 74XXYY IC series. 74LS574 is an 8-bit, edge triggered register coupled to eight 3-State output buffers. The two sections of the IC are controlled independently by the clock … Read more

74LS574 Octal Edge Triggered D-Type Flip-Flop IC With Tri-State Outputs

Syed Saad Hasan
5,541 views
74LS640 datasheet

74LS640/74F640 IC is an octal transceiver featuring inverting 3-state bus compatible outputs. The 74F640/74LS640 bus transceivers are designed for asynchronous two-way communication between data buses. The devices transmit data from the A bus to the … Read more

74LS640/74F640 Octal Bus Transceiver IC With Inverting 3-State Outputs

Syed Saad Hasan
2,654 views
74ls390 datasheet

The 74LS390 IC contains a pair of high-speed 4-stage ripple counters. Each half of the LS390 is partitioned into a divide-by-two section and a divide-by five section, with a separate clock input for each section. … Read more

74LS390 Dual 4-Bit Decade Counter/Binary Counter IC | Datasheet

Syed Saad Hasan
11,428 views
74ls490 DUAL DECADE COUNTER

74LS490 IC contains a pair of high-speed 4-stage ripple counters. Each half of the SN54 /74LS490 has individual Clock, Master Reset and Master Set (Preset 9) inputs. Each section counts in the 8, 4, 2, … Read more

74LS490 Dual Decade Counter/Binary Counter IC | Datasheet

Syed Saad Hasan
4,631 views
74LS398 datasheet

74LS398 is a Quad 2-Port Register. They are the logical equivalent of a quad 2-input multiplexer followed by a quad 4-bit edge-triggered register. A Common Select input selects between two 4-bit input ports (data sources). … Read more

74LS398 Quadruple 2-Port Register IC | Datasheet

Syed Saad Hasan
3,194 views
74ls379 datasheet

The 74LS379 IC is a 4-bit D-Type parallel register with a buffered common enable. 74LS379 IC consists of four edge-triggered D-type flip-flops with individual D inputs and Q and Q’ outputs. The Clock (CP) and … Read more

74LS379 Quad 4-Bit D-type Parallel Register IC with Enable | Datasheet

Syed Saad Hasan
4,129 views
74ls378 datasheet

74LS378 IC is a part of the 74XXYY IC series. The 74LS378 is a monolithic, positive edge triggered, registerable flip flop IC that utilizes TTL circuitry to implement D-type Flip-Flop/latching logic. This IC also features … Read more

74LS378 6-Bit Hex D-Type Flip-Flops IC with Clock Enable | Datasheet

Syed Saad Hasan
5,333 views
74ls365 datasheet

The 74LS365 IC is a high-speed hex buffer with 3-state outputs. They are organized as single 6-bit or 2-bit / 4-bit, with inverting or non-inverting data (D) paths. The outputs are designed to drive 15 … Read more

74LS365 Hex Bus Drivers/Buffers IC With 3-State Outputs | Datasheet

Syed Saad Hasan
5,993 views
74ls375 datasheet

The 74LS375 IC is a part of the 74XXYY IC series. The 74LS375 IC is a 4-Bit D-Type Latch for use as temporary storage for binary information between processing limits and input /output or indicator … Read more

74LS375 Quad 4-Bit D-Type Bi-Stable Latch IC | Datasheet

Syed Saad Hasan
6,109 views
74ls367 datasheet

The 74LS367 IC is a part of the 74XXYY IC series. The 74LS367 is a Hex Buffer/Line Driver that is specifically designed to improve both the performance & density of 3-State memory address driver, clock … Read more

74LS367 6-Bit Hex Buffer/Driver Non-Inverting IC With 3-State Outputs

Syed Saad Hasan
7,227 views
74ls373 datasheet

The 74LS373 IC consists of eight D-Type latches/Flip-Flops with 3-state outputs for bus organized system applications. The high-impedance state and increased high-logic level drive provide these registers with the capability of being connected directly to … Read more

74LS373 Octal D-Type Transparent Latch IC With 3-State Outputs

Syed Saad Hasan
19,429 views
74ls283 datasheet

The 74LS283 4-Bit Binary full adders perform the addition of two 4-bit binary words. The sum of the outputs is provided for each bit and the resultant carry (C4) is obtained from the fourth bit. … Read more

74LS283 4-Bit Binary Full Adder IC With Fast Carry | Datasheet

Syed Saad Hasan
29,211 views
74ls352 datasheet

The 74LS352 is a very high-speed Dual 4-input Multiplexer with Common Select inputs and individual enable inputs for each section. It can select two bits of data from four sources. The two buffered outputs present … Read more

74LS352 Dual 4-Input Multiplexer With Common Select Inputs | Datasheet

Syed Saad Hasan
4,612 views
74ls299-datasheet

The 74LS299 is an 8-Bit Universal Shift/Storage Register with 3-state outputs. Four modes of operation are possible: hold (store), shift left, shift right, and load data. The 74LS399 IC has a wide range of working … Read more

74LS299 Storage/Shift Register IC With 3-State Outputs | Datasheet

Syed Saad Hasan
5,059 views
74ls280 datasheet

The 74LS280 IC is a Universal 9-Bit Parity Generator /Checker. It features odd/ even outputs to facilitate either odd or even parity. By cascading, the word length is easily expanded. The 74LS280 IC output always … Read more

74LS280 9-Bit Even/Odd Parity Generator/Checker IC | Datasheet

Syed Saad Hasan
7,880 views
74ls290 datasheet

The 74LS290 is a part of the 74XXYY IC series. 74LS290 is a high speed 4 bit ripple type counters partitioned into two sections. Each counter has a divide-by-two section and a divide-by-five section, which … Read more

74LS290 4-Bit Binary Ripple Counter IC | Datasheet

Syed Saad Hasan
6,513 views
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