Latch ICs

A latch IC is a board mounting integrated circuit that is part of the Standard Logic IC family. A latch IC is a bistable multivibrator which has two (Stable) states and a feedback path allowing the device to store information. A Latch IC is an asynchronous device meaning the outputs can change state as soon as the inputs do.RS Components offer an extensive range of Latch IC's from leading manufacturers including Microchip, Nexperia and ON Semiconductor.

What are the different types of Latch IC's?

There are four main types of Latch IC's, SR Latch (Set-Reset) D-Latch (Data) T (toggle) and J-K. Latch IC’S has two inputs and one output. The inputs are referred to as the SET input the RESET input. The main differences between devices are the number and types of inputs they have and how they function and change state.

Environment

The CMOS circuitry used in Integrated circuits from the 4000 series logic IC families means the components are particularly sensitive to static. It is very important to remember that touching a pin while charged with static electricity can damage the IC. Always leave your components in their anti-static protective packaging until they are ready to be used.

Applications

Latch IC's are used in a wide range of electronic applications. Some of the most common are

  • Digital data storage
  • Buffer storage, data transfer and holding registers
  • Memory addressing

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Description Price Logic Family Latch Mode Latching Element Number of Bits Number of Elements per Chip Number of Channels per Chip Output Type Polarity Mounting Type Package Type Pin Count Set/Reset Dimensions Height
RS Stock No. 333-3252
Mfr. Part No.SN74HC573AN
SGD0.865
Each (In a Tube of 20)
units
HC Transparent D Type 8bit - - 3 State Non-Inverting Through Hole PDIP 20 - 24.33 x 6.35 x 4.57mm 4.57mm
RS Stock No. 217-5667
Mfr. Part No.SN74HC573AN
SGD1.00
Each
units
HC Transparent D Type 8bit - - 3 State Non-Inverting Through Hole PDIP 20 - 24.33 x 6.35 x 4.57mm 4.57mm
RS Stock No. 368-6411
Mfr. Part No.SN74LS373N
SGD1.302
Each (In a Tube of 20)
units
LS Transparent D Type 8bit - - 3 State Non-Inverting Through Hole PDIP 20 - 24.33 x 6.35 x 4.57mm 4.57mm
RS Stock No. 165-9890
Mfr. Part No.74HC259D,652
BrandNexperia
SGD0.454
Each (In a Tube of 50)
units
HC Addressable D Type 8bit - - CMOS Non-Inverting Surface Mount SOIC 16 Yes 10 x 4 x 1.45mm 1.45mm
RS Stock No. 761-4491
Mfr. Part No.MM74HC373WMX
SGD1.134
Each (In a Pack of 10)
units
74HC Transparent D Type 8bit - - 3 State - Surface Mount SOIC 20 - 13.005 x 7.595 x 2.642mm 2.642mm
RS Stock No. 186-8763
Mfr. Part No.MM74HC573WM
SGD0.993
Each (In a Pack of 25)
units
HC - D Type - 1 1 3 State - Surface Mount SOIC 20 - 13 x 7.6 x 2.34mm 2.34mm
RS Stock No. 103-8182
Mfr. Part No.74HC573D,652
BrandNexperia
SGD0.54
Each (In a Tube of 38)
units
HC Transparent D Type 8bit - - 3 State Non-Inverting Surface Mount SOIC 20 - 13 x 7.6 x 2.45mm 2.45mm
RS Stock No. 177-6679
Mfr. Part No.74HC573D,652
BrandNexperia
SGD0.67
Each
units
HC Transparent D Type 8bit - - 3 State Non-Inverting Surface Mount SOIC 20 - 13 x 7.6 x 2.45mm 2.45mm
RS Stock No. 540-8162
Mfr. Part No.TC74HC373AF(F)
BrandToshiba
SGD1.514
Each (In a Pack of 5)
units
HC Transparent D Type 8bit - - 3 State Non-Inverting Surface Mount SOP 20 - 12.8 x 5.3 x 1.5mm 1.5mm
RS Stock No. 368-6635
Mfr. Part No.SN74LS75N
SGD3.244
Each (In a Tube of 25)
units
LS Transparent - 4bit - - - Inverting, Non-Inverting Through Hole PDIP 16 - 19.3 x 6.35 x 4.57mm 4.57mm
RS Stock No. 923-2492
Mfr. Part No.SN74HC373N
SGD0.806
Each (In a Tube of 20)
units
HC Transparent D Type 8bit - - 3 State Non-Inverting Through Hole PDIP 20 - 24.33 x 6.35 x 4.57mm 4.57mm
RS Stock No. 178-7530
Mfr. Part No.MM74HC573WMX
SGD0.479
Each (On a Reel of 1000)
units
74HC Transparent D Type 8bit - - 3 State - Surface Mount SOIC 20 - 13.005 x 7.595 x 2.642mm 2.642mm
RS Stock No. 166-2765
Mfr. Part No.MM74HC373WMX
SGD0.586
Each (On a Reel of 1000)
units
74HC Transparent D Type 8bit - - 3 State - Surface Mount SOIC 20 - 13.005 x 7.595 x 2.642mm 2.642mm
RS Stock No. 186-7322
Mfr. Part No.MM74HC573WM
SGD1.176
Each (In a Tube of 36)
units
HC - D Type - 1 1 3 State - Surface Mount SOIC 20 - 13 x 7.6 x 2.34mm 2.34mm
RS Stock No. 761-9853
Mfr. Part No.MM74HC573WMX
SGD0.891
Each (In a Pack of 10)
units
74HC Transparent D Type 8bit - - 3 State - Surface Mount SOIC 20 - 13.005 x 7.595 x 2.642mm 2.642mm
RS Stock No. 305-119
Mfr. Part No.SN74LS75N
SGD3.30
Each
units
LS Transparent - 4bit - - - Inverting, Non-Inverting Through Hole PDIP 16 - 19.3 x 6.35 x 4.57mm 4.57mm
RS Stock No. 443-205
Mfr. Part No.SN74HC373N
SGD0.93
Each
units
HC Transparent D Type 8bit - - 3 State Non-Inverting Through Hole PDIP 20 - 24.33 x 6.35 x 4.57mm 4.57mm
RS Stock No. 437-0606
Mfr. Part No.74HC573D
BrandNexperia
SGD0.341
Each (In a Tube of 38)
units
HC Transparent D Type 8bit - - 3 State Non-Inverting Surface Mount SOIC 20 - 13 x 7.6 x 2.45mm 2.45mm
RS Stock No. 806-1523
Mfr. Part No.MC74HC259ADR2G
SGD0.528
Each (In a Pack of 50)
units
HC Addressable D Type 8bit - - 3 State Non-Inverting Surface Mount SOIC 16 Yes 10 x 4 x 1.5mm 1.5mm
RS Stock No. 910-1534
Mfr. Part No.MIC5800YN
BrandMicrochip
SGD3.454
Each (In a Pack of 5)
units
- Transparent D Type 4bit - - - - Through Hole PDIP 14 - 19.05 x 6.35 x 3.3mm 3.3mm