Logic - Latches

Category Introduction

Latches are elementary digital memory devices similar to flip-flops, but different in that the retained logic state can change at any time a latch enable (or similarly named) signal is in a valid logic state. Latches described as "transparent" further allow the device outputs to reflect the current state of the inputs while the latch enable signal is valid, as opposed to changing state only when the retained state has been fixed.

Product List

2637 Items
PDF Mfr Part # Quantity
Available
UnitPrice RFQ Series Packaging Product StatusLogic TypeCircuitOutput TypeVoltage - SupplyIndependent CircuitsDelay Time - PropagationCurrent - Output High, LowOperating TemperatureMounting TypePackage / CaseSupplier Device Package
CD4042BFX
CD4042BFX
CMOS QUAD CLOCKED D LATCH
Harris Corporation
133 $1.17
Bulk ActiveD-Type Transparent Latch4:4Differential3V ~ 18V140ns6.8mA-55°C ~ 125°CThrough Hole16-CDIP (0.300", 7.62mm)16-CDIP
74ABT16373CMTDX
74ABT16373CMTDX
BUS DRIVER, ABT SERIES
Fairchild Semiconductor
162 $1.19
74ABT Bulk ObsoleteD-Type Transparent Latch8:8Tri-State4.5V ~ 5.5V21.4ns32mA, 64mA-40°C ~ 85°CSurface Mount48-TFSOP (0.240", 6.10mm Width)48-TSSOP
74ABT16373CSSC
74ABT16373CSSC
BUS DRIVER, ABT SERIES
Fairchild Semiconductor
211 $1.17
74ABT Tube ObsoleteD-Type Transparent Latch8:8Tri-State4.5V ~ 5.5V21.4ns32mA, 64mA-40°C ~ 85°CSurface Mount48-BSSOP (0.295", 7.50mm Width)48-SSOP
74LVTH322373GX
74LVTH322373GX
BUS DRIVER, LVT SERIES
Fairchild Semiconductor
38 $1.19
74LVTH Bulk ObsoleteD-Type Transparent Latch8:8Tri-State2.7V ~ 3.6V41.4ns12mA, 12mA-40°C ~ 85°CSurface Mount96-LFBGA96-FBGA (13.5x5.5)
74ABT16373CMTD
74ABT16373CMTD
BUS DRIVER, ABT SERIES
Fairchild Semiconductor
478 $1.19
74ABT Tube ObsoleteD-Type Transparent Latch8:8Tri-State4.5V ~ 5.5V21.4ns32mA, 64mA-40°C ~ 85°CSurface Mount48-TFSOP (0.240", 6.10mm Width)48-TSSOP
74F843SPC
74F843SPC
BUS DRIVER
Fairchild Semiconductor
399 $1.18
74F Tube ObsoleteD-Type Transparent Latch9:9Tri-State4.5V ~ 5.5V15.4ns3mA, 24mA0°C ~ 70°CThrough Hole24-DIP (0.300", 7.62mm)24-PDIP
74HC563FP-E
74HC563FP-E
OCTAL INVERTING TRANSP LATCH
Renesas Electronics America Inc
725 $1.26
74HC Bulk ActiveD-Type Transparent Latch1:8Tri-State2V ~ 6V114ns--40°C ~ 125°C---
74HC563P-E
74HC563P-E
OCTAL INVERTING TRANSP LATCH
Renesas Electronics America Inc
28 $1.25
74HC Bulk ObsoleteD-Type Transparent Latch1:8Tri-State2V ~ 6V114ns--40°C ~ 125°C---
74LCX16373GX
74LCX16373GX
BUS DRIVER
Fairchild Semiconductor
337 $1.26
74LCX Bulk ObsoleteD-Type Transparent Latch8:8Tri-State2V ~ 3.6V25.4ns24mA, 24mA-40°C ~ 85°CSurface Mount54-LFBGA54-FBGA (8x5.5)
74LCX16373G
74LCX16373G
BUS DRIVER
Fairchild Semiconductor
586 $1.23
74LCX Tray ObsoleteD-Type Transparent Latch8:8Tri-State2V ~ 3.6V25.4ns24mA, 24mA-40°C ~ 85°CSurface Mount54-LFBGA54-FBGA (8x5.5)
CD74FCT373SM
CD74FCT373SM
FAST CMOS OCTAL TRANSPARENT LATC
Harris Corporation
143 $1.25
Bulk ActiveD-Type Transparent Latch8:8Tri-State4.75V ~ 5.25V19ns48mA0°C ~ 70°CSurface Mount20-SSOP (0.209", 5.30mm Width)20-SSOP
74LVTH16373MEAX
74LVTH16373MEAX
BUS DRIVER, LVT SERIES
Fairchild Semiconductor
601 $1.28
74LVTH Bulk ObsoleteD-Type Transparent Latch8:8Tri-State2.7V ~ 3.6V21.5ns32mA, 64mA-40°C ~ 85°CSurface Mount48-BSSOP (0.295", 7.50mm Width)48-SSOP
74LVTH16373MEA
74LVTH16373MEA
BUS DRIVER, LVT SERIES
Fairchild Semiconductor
759 $1.25
74LVTH Tube ObsoleteD-Type Transparent Latch8:8Tri-State2.7V ~ 3.6V21.5ns32mA, 64mA-40°C ~ 85°CSurface Mount48-BSSOP (0.295", 7.50mm Width)48-SSOP
74LVT16373MEAX
74LVT16373MEAX
BUS DRIVER, LVT SERIES
Fairchild Semiconductor
398 $1.25
74LVT Bulk ObsoleteD-Type Transparent Latch8:8Tri-State2.7V ~ 3.6V21.5ns32mA, 64mA-40°C ~ 85°CSurface Mount48-BSSOP (0.295", 7.50mm Width)48-SSOP
74LVTH162373MEX
74LVTH162373MEX
BUS DRIVER, LVT SERIES
Fairchild Semiconductor
729 $1.25
74LVTH Bulk ObsoleteD-Type Transparent Latch8:8Tri-State2.7V ~ 3.6V21.4ns12mA, 12mA-40°C ~ 85°CSurface Mount48-BSSOP (0.295", 7.50mm Width)48-SSOP
74LVT16373MEA
74LVT16373MEA
BUS DRIVER, LVT SERIES
Fairchild Semiconductor
104 $1.24
74LVT Tube ObsoleteD-Type Transparent Latch8:8Tri-State2.7V ~ 3.6V21.5ns32mA, 64mA-40°C ~ 85°CSurface Mount48-BSSOP (0.295", 7.50mm Width)48-SSOP
SN74LVTH16373DLR
SN74LVTH16373DLR
IC D-TYPE LATCH TRI-ST 48-SSOP
Texas Instruments
45 $2.30
74LVTH Tape & Reel (TR) ActiveD-Type Transparent Latch8:8Tri-State2.7V ~ 3.6V23ns32mA, 64mA-40°C ~ 85°CSurface Mount48-BSSOP (0.295", 7.50mm Width)48-SSOP
54279DMQB
54279DMQB
R-S LATCH, TTL/H/L SERIES
National Semiconductor
562 $1.32
Bulk Active-----------
CD74FCT563E
CD74FCT563E
8-BIT DRIVER
Harris Corporation
273 $1.32
Bulk ActiveD-Type Transparent Latch8:8Tri-State4.75V ~ 5.25V19ns48mA0°C ~ 70°CThrough Hole20-DIP (0.300", 7.62mm)20-PDIP
CD74LPT573AQM
CD74LPT573AQM
3.3V 8-BIT TRANSPARENT LATCH
Harris Corporation
105 $1.34
Bulk ActiveD-Type Transparent Latch8:8Tri-State2.7V ~ 3.6V112ns24mA, 24mA-40°C ~ 125°CSurface Mount20-SSOP (0.154", 3.90mm Width)20-QSOP