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. 163-0543
Mfr. Part No.MC14515BDWR2G
€0.965
Each (On a Reel of 1000)
units
4000 Transparent SR Type 4bit - - 3 State Inverting Surface Mount SOIC 24 - 15.54 x 7.6 x 2.36mm 2.36mm
RS Stock No. 806-3273
Mfr. Part No.MC14515BDWR2G
€1.665
Each (In a Pack of 10)
units
4000 Transparent SR Type 4bit - - 3 State Inverting Surface Mount SOIC 24 - 15.54 x 7.6 x 2.36mm 2.36mm
RS Stock No. 806-3172
Mfr. Part No.MC14044BDG
€0.326
Each (In a Pack of 25)
units
4000 Transparent SR Type 4bit - - 3 State Non-Inverting Surface Mount SOIC 16 Yes 10 x 4 x 1.5mm 1.5mm
RS Stock No. 806-1090
Mfr. Part No.NC7SZ373P6X
€0.25
Each (In a Pack of 25)
units
TinyLogic UHS Transparent D Type 1bit - - 3 State Inverting Surface Mount SC-70 6 - 2 x 1.25 x 0.9mm 0.9mm
RS Stock No. 166-3189
Mfr. Part No.NC7SZ373P6X
€0.077
Each (On a Reel of 3000)
units
TinyLogic UHS Transparent D Type 1bit - - 3 State Inverting Surface Mount SC-70 6 - 2 x 1.25 x 0.9mm 0.9mm
RS Stock No. 168-9605
Mfr. Part No.HEF4043BT,652
BrandNexperia
€0.335
Each (In a Tube of 50)
units
4000 Transparent SR Type 4 - - 3 State Non-Inverting Surface Mount SOIC 16 - 10 x 4 x 1.45mm 1.45mm
RS Stock No. 526-678
Mfr. Part No.SN74HC573ADWR
€0.346
Each (In a Pack of 25)
units
HC Transparent D Type 8bit - - 3 State Non-Inverting Surface Mount SOIC 20 - 12.8 x 7.52 x 2.35mm 2.35mm
RS Stock No. 178-9110
Mfr. Part No.SN74HC259DR
€0.097
Each (In a Tube of 40)
units
HC Addressable D Type 8bit - - - Non-Inverting Surface Mount SOIC 16 Yes 9.9 x 3.91 x 1.58mm 1.58mm
RS Stock No. 802-1320
Mfr. Part No.74LVX573M
€0.627
Each (In a Tube of 36)
units
74LVX Transparent D Type 8bit - - 3 State - Surface Mount SOIC 20 - 0.496 x 0.291 x 0.089mm 0.089mm
RS Stock No. 527-041
Mfr. Part No.CD4044BE
€0.406
Each (In a Tube of 25)
units
4000 Transparent SR Type 4bit - - 3 State Non-Inverting Through Hole PDIP 16 - 19.3 x 6.35 x 4.57mm 4.57mm
RS Stock No. 662-7364
Mfr. Part No.CD74HCT573M96
€0.21
Each (In a Pack of 5)
units
HCT Transparent D Type 8bit - - 3 State Non-Inverting Surface Mount SOIC 20 - 12.8 x 7.52 x 2.35mm 2.35mm
RS Stock No. 182-1932
Mfr. Part No.74HCT259D,653
BrandNexperia
€0.294
Each (In a Pack of 50)
units
- - - - - - - - - - - - - -
RS Stock No. 113-0196
Mfr. Part No.74HC373D,652
BrandNexperia
€0.48
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. 663-2139
Mfr. Part No.SN74HC563N
€0.948
Each (In a Pack of 10)
units
HC Transparent D Type 8bit - - 3 State Inverting Through Hole PDIP 20 - 24.33 x 6.35 x 4.57mm 4.57mm
RS Stock No. 634-237
Mfr. Part No.CD74HCT373E
€0.73
Each
units
HCT 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. 761-4491
Mfr. Part No.MM74HC373WMX
€0.585
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. 184-4259
Mfr. Part No.MC14536BDWG
€0.639
Each (In a Tube of 47)
units
- - Decoder 4 - - Pulse - Surface Mount SOIC 16 Yes 10.45 x 7.6 x 2.4mm 2.4mm
RS Stock No. 145-0137
Mfr. Part No.CD4044BE
€0.406
Each (In a Tube of 25)
units
4000 Transparent SR Type 4bit - - 3 State Non-Inverting Through Hole PDIP 16 - 19.3 x 6.35 x 4.57mm 4.57mm
RS Stock No. 181-7365
Mfr. Part No.74AHC573PW,118
BrandNexperia
€0.104
Each (On a Reel of 2500)
units
74AHC Transparent D Type 8 8 8 3 State Non-Inverting Surface Mount TSSOP 20 - 6.6 x 4.5 x 0.95mm 0.95mm
RS Stock No. 171-3305
Mfr. Part No.74LCX573FT
BrandToshiba
€0.14
Each (On a Reel of 2500)
units
74LCX Transparent D Type 8bit 19 8 CMOS Inverting Surface Mount TSSOP 20 - 6.5 x 4.4 x 1mm 1mm