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. 170-7978
Mfr. Part No.74HC273D,653
BrandNexperia
HK$1.504
Each (On a Reel of 2000)
units
74HC - - - 8 - D Type Flip-Flop - Surface Mount SO 20 Master Reset 13 x 7.6 x 2.45mm 2.45mm
RS Stock No. 168-9605
Mfr. Part No.HEF4043BT,652
BrandNexperia
HK$3.328
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. 483-6601
Mfr. Part No.74HC573DB,112
BrandNexperia
HK$4.431
Each (In a Pack of 20)
units
HC Transparent D Type 8bit - - 3 State Non-Inverting Surface Mount SSOP 20 - 7.4 x 5.4 x 1.8mm 1.8mm
RS Stock No. 178-7006
Mfr. Part No.74HC573DB,112
BrandNexperia
HK$4.347
Each (In a Tube of 66)
units
HC Transparent D Type 8bit - - 3 State Non-Inverting Surface Mount SSOP 20 - 7.4 x 5.4 x 1.8mm 1.8mm
RS Stock No. 103-8182
Mfr. Part No.74HC573D,652
BrandNexperia
HK$3.88
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. 816-8882
Mfr. Part No.74LVT573PW,112
BrandNexperia
HK$4.672
Each (In a Pack of 25)
units
LVT Transparent D Type 8bit - - 3 State Non-Inverting Surface Mount TSSOP 20 Yes 6.6 x 4.5 x 0.95mm 0.95mm
RS Stock No. 170-8000
Mfr. Part No.74HC373D,653
BrandNexperia
HK$1.495
Each (On a Reel of 2000)
units
74HC Transparent D Type 8bit 1 8 3 State Non-Inverting Surface Mount SO 20 - 13 x 7.6 x 2.45mm 2.45mm
RS Stock No. 437-0606
Mfr. Part No.74HC573D
BrandNexperia
HK$2.189
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. 166-1276
Mfr. Part No.74HC573PW,112
BrandNexperia
HK$3.111
Each (In a Tube of 75)
units
HC Transparent D Type 8bit - - 3 State Non-Inverting Surface Mount TSSOP 20 - 6.6 x 4.5 x 0.95mm 0.95mm
RS Stock No. 146-0372
Mfr. Part No.74HC373PW,112
BrandNexperia
HK$3.08
Each (In a Tube of 75)
units
74HC Transparent D Type 8bit - - 3 State Non-Inverting Surface Mount TSSOP 20 - 6.6 x 4.5 x 0.95mm 0.95mm
RS Stock No. 510-213
Mfr. Part No.74LVC16373ADL,112
BrandNexperia
HK$6.928
Each (In a Pack of 5)
units
LVC Transparent D Type 16bit - - 3 State Non-Inverting Surface Mount SSOP 48 - 16 x 7.6 x 2.35mm 2.35mm
RS Stock No. 178-7010
Mfr. Part No.74HCT573PW,112
BrandNexperia
HK$3.245
Each (In a Tube of 75)
units
74HCT Transparent D Type 8bit - - 3 State Non-Inverting Surface Mount TSSOP 20 - 6.6 x 4.5 x 0.95mm 0.95mm
RS Stock No. 170-7988
Mfr. Part No.74HCT573D,653
BrandNexperia
HK$1.611
Each (On a Reel of 2000)
units
74HCT Transparent D Type 8bit 1 8 3 State Non-Inverting Surface Mount SO 20 - 13 x 7.6 x 2.45mm 2.45mm
RS Stock No. 170-5424
Mfr. Part No.74LVC573APW,118
BrandNexperia
HK$3.702
Each (In a Pack of 25)
units
74LVC Transparent D Type 8bit 8 8 3 State Non-Inverting Surface Mount TSSOP 20 - 6.6 x 4.5 x 0.95mm 0.95mm
RS Stock No. 483-6617
Mfr. Part No.74HC573PW,112
BrandNexperia
HK$3.171
Each (In a Pack of 20)
units
HC Transparent D Type 8bit - - 3 State Non-Inverting Surface Mount TSSOP 20 - 6.6 x 4.5 x 0.95mm 0.95mm
RS Stock No. 177-6916
Mfr. Part No.74HCT573D,652
BrandNexperia
HK$5.30
Each
units
HCT Transparent D Type 8bit - - 3 State Non-Inverting Surface Mount SOIC 20 - 13 x 7.6 x 2.45mm 2.45mm
RS Stock No. 169-7298
Mfr. Part No.74LVT573PW,112
BrandNexperia
HK$4.673
Each (In a Tube of 75)
units
LVT Transparent D Type 8bit - - 3 State Non-Inverting Surface Mount TSSOP 20 Yes 6.6 x 4.5 x 0.95mm 0.95mm
RS Stock No. 166-1275
Mfr. Part No.74LVC16374ADL,112
BrandNexperia
HK$9.074
Each (In a Tube of 31)
units
LVC Transparent D Type 16bit - - 3 State Non-Inverting Surface Mount SSOP 48 - 16 x 7.6 x 2.35mm 2.35mm
RS Stock No. 182-1932
Mfr. Part No.74HCT259D,653
BrandNexperia
HK$3.119
Each (In a Pack of 50)
units
- - - - - - - - - - - - - -
RS Stock No. 170-4836
Mfr. Part No.74LVC573APW,118
BrandNexperia
HK$1.133
Each (On a Reel of 2500)
units
74LVC Transparent D Type 8bit 8 8 3 State Non-Inverting Surface Mount TSSOP 20 - 6.6 x 4.5 x 0.95mm 0.95mm