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. 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. 171-3106
Mfr. Part No.74HC573D
BrandToshiba
SGD1.173
Each (In a Pack of 10)
units
74HC Transparent D Type 8bit 19 8 - Inverting Surface Mount SOIC 20 - 13.1 x 7.5 x 2.25mm 2.25mm
RS Stock No. 171-3368
Mfr. Part No.74VHCT573AFT
BrandToshiba
SGD0.172
Each (On a Reel of 2500)
units
74VHC Transparent D Type 8bit 19 8 - Inverting Surface Mount TSSOP 20 - 6.5 x 4.4 x 1mm 1mm
RS Stock No. 171-3409
Mfr. Part No.74VHC573FT
BrandToshiba
SGD0.536
Each (In a Pack of 25)
units
74VHC Transparent D Type 8bit 19 8 - Inverting Surface Mount TSSOP 20 - 6.5 x 4.4 x 1mm 1mm
RS Stock No. 541-9386
Mfr. Part No.TC74HC573AF(F)
BrandToshiba
SGD1.908
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. 540-0051
Mfr. Part No.TC74HC573AP(F)
BrandToshiba
SGD0.972
Each (In a Pack of 5)
units
HC Transparent D Type 8bit - - 3 State Non-Inverting Through Hole PDIP 20 - 24.6 x 6.4 x 3.5mm 3.5mm
RS Stock No. 171-3349
Mfr. Part No.74VHC573FT
BrandToshiba
SGD0.195
Each (On a Reel of 2500)
units
74VHC Transparent D Type 8bit 19 8 - Inverting Surface Mount TSSOP 20 - 6.5 x 4.4 x 1mm 1mm
RS Stock No. 171-3486
Mfr. Part No.74LCX373FT
BrandToshiba
SGD0.514
Each (In a Pack of 20)
units
74LCX Transparent D Type 8bit 19 8 CMOS Inverting Surface Mount TSSOP 20 - 6.5 x 4.4 x 1mm 1mm
RS Stock No. 171-3419
Mfr. Part No.74VHC373FT
BrandToshiba
SGD0.401
Each (In a Pack of 25)
units
74VHC Transparent D Type 8bit 19 8 - Inverting Surface Mount TSSOP 20 - 6.5 x 4.4 x 1mm 1mm
RS Stock No. 171-3305
Mfr. Part No.74LCX573FT
BrandToshiba
SGD0.353
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
RS Stock No. 171-3540
Mfr. Part No.74VHCT573AFT
BrandToshiba
SGD0.52
Each (In a Pack of 25)
units
74VHC Transparent D Type 8bit 19 8 - Inverting Surface Mount TSSOP 20 - 6.5 x 4.4 x 1mm 1mm
RS Stock No. 171-3300
Mfr. Part No.74LCX373FT
BrandToshiba
SGD0.456
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
RS Stock No. 171-3003
Mfr. Part No.74HC573D
BrandToshiba
SGD0.604
Each (On a Reel of 2000)
units
74HC Transparent D Type 8bit 19 8 - Inverting Surface Mount SOIC 20 - 13.1 x 7.5 x 2.25mm 2.25mm
RS Stock No. 539-9939
Mfr. Part No.TC74HC373AP(F)
BrandToshiba
SGD0.924
Each (In a Pack of 5)
units
HC Transparent D Type 8bit - - 3 State Non-Inverting Through Hole PDIP 20 - 25.1 x 6.4 x 3.5mm 3.5mm
RS Stock No. 171-3552
Mfr. Part No.74LCX573FT
BrandToshiba
SGD0.455
Each (In a Pack of 20)
units
74LCX Transparent D Type 8bit 19 8 CMOS Inverting Surface Mount TSSOP 20 - 6.5 x 4.4 x 1mm 1mm
RS Stock No. 171-3339
Mfr. Part No.74VHC373FT
BrandToshiba
SGD0.208
Each (On a Reel of 2500)
units
74VHC Transparent D Type 8bit 19 8 - Inverting Surface Mount TSSOP 20 - 6.5 x 4.4 x 1mm 1mm