Key Topics

Latches

Latches are used in logic circuits. They have two inputs, one output and feature two stable states – active high and active low. They function as storage devices and hold the data via feedback lanes. When in an active high state, a HIGH signal triggers the latch. When in an active low state, a LOW signal triggers the latch.

What are latches used for?

In electronics, latches have many uses:

  • They are used to store single bits of data in computing and data storage
  • You can find them in circuits such as power gates, also as storage devices
  • They are used to maintain the data bits’ conditions while encoding binary numbers

What are the main types of latches?

A range of latches are available in electronics. From SET/RESET (asynchronous) latches, to Gated SR latches, Gated D latches, JK latches and more, each latch functions in different ways and has different advantages.

What are the benefits of latches?

There are many advantages of using latches:

  • Compared with flip-flops, latches have a flexible design
  • They make use of less power
  • Latches occupy much less space than flip-flops
Top Latches Products
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NC7SZ373P6X
ON Semiconductor
D-Type Transparent Latch 1 Channel 1:1 IC Tri-State SC-88 (SC-70-6)
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2.533.001
Roztocze
Lock; zinc and aluminium alloy; black finish; 124.6mm
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2.L18.001-21
Roztocze
Lock; V: cylinder 1333; zinc and aluminium alloy; 21mm; chromium
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2.T18.002-18
Roztocze
Lock; V: cylinder 1333; zinc and aluminium alloy; 18mm
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MC14043BCP
ON Semiconductor
MC14043BCP CMOS IC (4000 SERIES) DIP
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421283
Elesa & Ganter
Lock; polyamide; 20mm; IP65
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MM74HC573N
ON Semiconductor
MM74HC573N #0301A PCN20004903 DIP
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CQT/A-32-18 AE-V0
Elesa & Ganter
Lock; polyamide; 18mm; IP65; UL94V-0
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CD4044BPWR
Texas Instruments
Latches CMOS Quad NAND R/S
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CD4044BDR
Texas Instruments
S-R Latch 4 Channel 1:1 IC Tri-State 16-SOIC
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74AHCT573PW,118
Nexperia
D-Type Transparent Latch 1 Channel 8:8 IC Tri-State 20-TSSOP
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MC74LCX573DTG
ON Semiconductor
Latches 2-3.6V Octal 3-State Transparent
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74HC373BQ,115
Nexperia
Latches OCTAL 3-STATE LATCH
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74HCT373D,652
Nexperia
Latches OCTAL 3-STATE LATCH
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74HCT573DB,112
Nexperia
NXP Semiconductors Latches OCTAL D-TYPE TRANS
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74LVT373MTC
ON Semiconductor
Latches Octal Trans Latch
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2.L18.006-21
Roztocze
Lock; V: without cylinder; zinc and aluminium alloy; 21mm
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2.PM30.005-30
Roztocze
Lock; V: without cylinder; zinc and aluminium alloy; 30mm
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2.PM30.005-33
Roztocze
Lock; V: without cylinder; zinc and aluminium alloy; 33mm

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