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Digital Latches

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About Digital Latches

Digital latches are logic devices that latch onto or retain digital states (1 or 0) in data storage circuits. Because they use sequential logic, digital latches control and are controlled by other circuitry in a specific sequence that is determined by a control clock and enable/disenable control signals. Latches, which represent the simplest form of data storage, sometimes have an enable input that is used to control the latch, or to accept or ignore the input stage. Latch outputs respond immediately to changes at the input. Several types of digital latches are available. Data (D) and transparent D latches have a data input. S-R latches have either set (S) and reset (R) inputs, or set (S) and clear (C) inputs. Gate S-R latches have an enable input. Digital latches that contain an array of latches, each of which can be programmed, are also available.  

Digital latches vary in terms of supply voltage, operating current, propagation delay, power dissipation, low level output current (sink), high level output current (source), and output characteristics. Supply voltages range from - 5 V to 5 V and include intermediate voltages such as  -4.5 V, -3.3 V, -3 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3 V, 3.3 V, and 3.6 V. The operating current is the minimum current needed for active operation. The propagation delay is the time interval between the application of an input signal and the occurrence of the corresponding output. Power dissipation, the total power consumption of the device, is generally expressed in watts or milliwatts. The low-level output current (IOL) is the output current to which gates sink. The high-level output current (IOH) is the output current that gates source to a load. Three-state, open-collector, open-drain, and complementary outputs are available. Output enable (OE) inputs have an enable pin for the output. 

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Products & Services Related to Digital Latches

Flip-flops
Flip-flops are digital logic devices that synchronize changes in output state (1 or 0) according to a clocked input.

Engineering Web: Digital Latches

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Part Numbers for Digital Latches

Part # Distributor Manufacturer Product Category Description
74F573N AmericanMicroSemi AMS Not Provided 74F573N Integrated Circuits Digital ICs Latches General-Purpose 74F573N is on sale at our online store. Buy it for 0.06 or less. FREE UPS ground shipping. Also get special discount on International orders. AMS Inc. - Serving semiconductor industry si
74HC573 AmericanMicroSemi AMS Not Provided 74HC573 Integrated Circuits Digital ICs Latches D-Type General-Purpose 74HC573 is on sale at our online store. Buy it for 0.81 or less. FREE UPS ground shipping. Also get special discount on International orders. AMS Inc. - Serving semiconductor indu
CD54ACT373F3A AmericanMicroSemi AMS Not Provided CD54ACT373F3A Integrated Circuits Digital ICs Latches General-Purpose CD54ACT373F3A is on sale at our online store. Buy it for 6.98 or less. FREE UPS ground shipping. Also get special discount on International orders. AMS Inc. - Serving semiconductor
DM74LS373WM AmericanMicroSemi AMS Not Provided DM74LS373WM Integrated Circuits Digital ICs Latches D-Type Octal DM74LS373WM is on sale at our online store. Buy it for 5.66 or less. FREE UPS ground shipping. Also get special discount on International orders. AMS Inc. - Serving semiconductor indust
100150DC AmericanMicroSemi AMS Not Provided 100150DC Integrated Circuits Digital ICs Latches General-Purpose 100150DC is on sale at our online store. Buy it for 8.98 or less. FREE UPS ground shipping. Also get special discount on International orders. AMS Inc. - Serving semiconductor industry

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