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
74LVX573MX
74LVX573MX
BUS DRIVER, LV/LV-A/LVX/H SERIES
Fairchild Semiconductor
2,280 $0.37
74LVX Bulk ActiveD-Type Transparent Latch8:8Tri-State2V ~ 3.6V15.9ns4mA, 4mA-40°C ~ 85°CSurface Mount20-SOIC (0.295", 7.50mm Width)20-SOIC
SN74HC259ANSR
SN74HC259ANSR
8-BIT ADDRESSABLE LATCHES
Texas Instruments
2,103 $0.40
Bulk Active-----------
SN74HC259ANS
SN74HC259ANS
8-BIT ADDRESSABLE LATCHES
Texas Instruments
963 $0.39
74HC Bulk ActiveD-Type, Addressable1:8Standard2V ~ 6V113ns5.2mA, 5.2mA-40°C ~ 85°CSurface Mount16-SOIC (0.209", 5.30mm Width)16-SO
74LVTH373MTC
74LVTH373MTC
BUS DRIVER, LVT SERIES, 1-FUNC,
Fairchild Semiconductor
1,850 $0.39
74LVTH Bulk ActiveD-Type Transparent Latch8:8Tri-State2.7V ~ 3.6V11.5ns32mA, 64mA-40°C ~ 85°CSurface Mount20-TSSOP (0.173", 4.40mm Width)20-TSSOP
74LVCH162373ADGG:1
74LVCH162373ADGG:1
NEXPERIA 74LVCH162373A - 16-BIT
Nexperia USA Inc.
1,445 $0.40
Bulk Active-----------
74LVT573MTC
74LVT573MTC
BUS DRIVER, LVT SERIES, 1-FUNC,
Fairchild Semiconductor
1,400 $0.41
74LVT Bulk ActiveD-Type Transparent Latch8:8Tri-State2.7V ~ 3.6V14.4ns (Max)32mA, 64mA-40°C ~ 85°CSurface Mount20-TSSOP (0.173", 4.40mm Width)20-TSSOP
74LVX373M
74LVX373M
BUS DRIVER, LV/LV-A/LVX/H SERIES
Fairchild Semiconductor
1,896 $0.43
74LVX Bulk ActiveD-Type Transparent Latch8:8Tri-State2V ~ 3.6V16ns4mA, 4mA-40°C ~ 85°CSurface Mount20-SOIC (0.295", 7.50mm Width)20-SOIC
74ALVCH16373DGG:11
74ALVCH16373DGG:11
NEXPERIA 74ALVCH16373 - 2.5 V/3.
NXP Semiconductors
1,261 $0.43
Bulk Active-----------
MM74HCT573WM
MM74HCT573WM
BUS DRIVER, HCT SERIES, 1-FUNC,
Fairchild Semiconductor
53 $0.47
74HCT Bulk ActiveD-Type Transparent Latch8:8Tri-State4.5V ~ 5.5V117ns7.2mA, 7.2mA-40°C ~ 85°CSurface Mount20-SOIC (0.295", 7.50mm Width)20-SOIC
HEF40373BP,652
HEF40373BP,652
HEF40373B - OCTAL TRANSPARENT LA
Nexperia USA Inc.
779 $0.61
Bulk Active-----------
74LVT373WM
74LVT373WM
BUS DRIVER, LVT SERIES, 1-FUNC,
Fairchild Semiconductor
1,493 $0.61
74LVT Bulk ActiveD-Type Transparent Latch8:8Tri-State2.7V ~ 3.6V11.5ns32mA, 64mA-40°C ~ 85°CSurface Mount20-SOIC (0.295", 7.50mm Width)20-SOIC
CY74FCT573CTQCT
CY74FCT573CTQCT
CY74FCT573T OCTAL TRANSPARENT D-
National Semiconductor
812 $0.63
74FCT Bulk ActiveD-Type Transparent Latch8:8Tri-State4.75V ~ 5.25V12ns32mA, 64mA-40°C ~ 85°CSurface Mount20-SSOP (0.154", 3.90mm Width)20-SSOP/QSOP
74ALVCH16843DGGY
74ALVCH16843DGGY
74ALVCH16843 - 18-BIT BUS-INTERF
NXP USA Inc.
377 $0.65
74ALVCH Bulk ActiveD-Type Transparent Latch9:9Tri-State2.3V ~ 3.6V22.2ns24mA, 24mA-40°C ~ 85°CSurface Mount56-TFSOP (0.240", 6.10mm Width)56-TSSOP
74LCX162373MTDX
74LCX162373MTDX
BUS DRIVER, LVC/LCX/Z SERIES, 2-
Fairchild Semiconductor
144 $0.79
74LCX Bulk ActiveD-Type Transparent Latch8:8Tri-State2V ~ 3.6V21.5ns12mA, 12mA-40°C ~ 85°CSurface Mount48-TFSOP (0.240", 6.10mm Width)48-TSSOP
74VCX16373MTDX
74VCX16373MTDX
BUS DRIVER, ALVC/VCX/A SERIES, 2
Fairchild Semiconductor
1,016 $0.89
74VCX Bulk ActiveD-Type Transparent Latch8:8Tri-State1.2V ~ 3.6V21.5ns24mA, 24mA-40°C ~ 85°CSurface Mount48-TFSOP (0.240", 6.10mm Width)48-TSSOP
74LVT16373MTDX
74LVT16373MTDX
BUS DRIVER, LVT SERIES, 2-FUNC,
Fairchild Semiconductor
120 $1.15
74LVT Bulk ActiveD-Type, Addressable8:8Tri-State2.7V ~ 3.6V21.5ns32mA, 64mA-40°C ~ 85°CSurface Mount48-TFSOP (0.240", 6.10mm Width)48-TSSOP
74VCX162373MTDX
74VCX162373MTDX
BUS DRIVER, ALVC/VCX/A SERIES, 2
Fairchild Semiconductor
414 $1.19
74VCX Bulk ActiveD-Type Transparent Latch8:8Tri-State1.4V ~ 3.6V21ns12mA, 12mA-40°C ~ 85°CSurface Mount48-TFSOP (0.240", 6.10mm Width)48-TSSOP
CD4042BE
CD4042BE
IC CMOS QUAD CLOCKED "D" LATCH 1
Harris Corporation
80 $2.95
4000B Box ActiveD-Type Transparent Latch-Differential3V ~ 18V140ns6.8mA-55°C ~ 125°CThrough Hole16-DIP (0.300", 7.62mm)16-PDIP
CD74FCT843AM
CD74FCT843AM
CD74FCT843A BICMOS FCT INTERFACE
National Semiconductor
195 $5.01
74FCT Bulk ActiveD-Type Transparent Latch9:9Tri-State4.75V ~ 5.25V19ns15mA, 48mA0°C ~ 70°CSurface Mount24-SOIC (0.295", 7.50mm Width)24-SOIC
NTE4597B
NTE4597B
IC-CMOS 8-BIT LATCH 16-LEAD DIP
NTE Electronics, Inc
157 $5.57
Bag ActiveD-Type Latch1:8CMOS3V ~ 18V1100ns12mA, 12mA-55°C ~ 125°CThrough Hole16-DIP (0.260", 6.60mm)16-PDIP