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
54LS279FMQB
54LS279FMQB
R-S LATCH 1-BIT, TTL
National Semiconductor
288 $1.32
Bulk Active-----------
CD74FCT841ATM
CD74FCT841ATM
FAST CMOS BUS INTERFACE LATCH
Harris Corporation
100 $1.37
Bulk ActiveD-Type Latch10:10Tri-State4.5V ~ 5.5V18ns48mA-40°C ~ 85°CSurface Mount24-SOIC (0.295", 7.50mm Width)24-SOIC
CD4043BDW
CD4043BDW
IC NOR R/S LATCH 3ST QUAD 16SOIC
Texas Instruments
39 $1.38
4000B Tube ActiveS-R Latch1:1Tri-State3V ~ 18V450ns6.8mA, 6.8mA-55°C ~ 125°CSurface Mount16-SOIC (0.295", 7.50mm Width)16-SOIC
54LS259FM
54LS259FM
D LATCH, 1-FUNC, 8-BIT, TTL
National Semiconductor
571 $1.37
Bulk Active-----------
CD74FCT162373CTSM
CD74FCT162373CTSM
FAST 16-BIT TRANSPARENT LATCH
Harris Corporation
482 $1.38
Bulk ActiveD-Type Transparent Latch8:8Tri-State4.5V ~ 5.5V25.5ns24mA, 24mA-40°C ~ 85°CSurface Mount48-BSSOP (0.295", 7.50mm Width)48-SSOP
CD74FCT162373CTSM96
CD74FCT162373CTSM96
FAST 16-BIT TRANSPARENT LATCH
Harris Corporation
495 $1.39
Bulk ActiveD-Type Transparent Latch8:8Tri-State4.5V ~ 5.5V25.5ns24mA, 24mA-40°C ~ 85°CSurface Mount48-BSSOP (0.295", 7.50mm Width)48-SSOP
CD4724BFX
CD4724BFX
CMOS 8-BIT ADDRESSABLE LATCH
Harris Corporation
80 $1.37
Bulk Active-----------
NTE74HC373
NTE74HC373
IC-HI SPEED CMOS LATCH
NTE Electronics, Inc
594 $1.44
74HC Bag ActiveD-Type Transparent Latch8:8Tri-State2V ~ 6V133ns7.8mA, 7.8mA-40°C ~ 85°C (TA)Through Hole20-DIP (0.300", 7.62mm)20-DIP
CD74FCT373CTQM
CD74FCT373CTQM
OCTAL TRANSPARENT LATCH
Harris Corporation
143 $1.47
Bulk ActiveD-Type Transparent Latch8:8Tri-State4.75V ~ 5.25V19ns15mA, 48mA0°C ~ 70°CSurface Mount20-SSOP (0.154", 3.90mm Width)20-QSOP
74ACQ373SC
74ACQ373SC
OCTAL TRANSPARENT LATCH
Fairchild Semiconductor
201 $1.51
74ACQ Tube ObsoleteD-Type Transparent Latch8:8Tri-State2V ~ 6V15.5ns24mA, 24mA-40°C ~ 85°CSurface Mount20-SOIC (0.295", 7.50mm Width)20-SOIC
74ACTQ373QSC
74ACTQ373QSC
BUS DRIVER
Fairchild Semiconductor
620 $1.50
74ACTQ Tube ObsoleteD-Type Transparent Latch8:8Tri-State4.5V ~ 5.5V16.5ns24mA, 24mA-40°C ~ 85°CSurface Mount20-LSSOP (0.154", 3.90mm Width)20-QSOP
CD74FCT843CTQM
CD74FCT843CTQM
FAST CMOS BUS INTERFACE LATCH
Harris Corporation
225 $1.52
Bulk ActiveD-Type Latch9:9Tri-State4.5V ~ 5.5V113ns48mA-40°C ~ 85°CSurface Mount24-SSOP (0.154", 3.90mm Width)24-QSOP
74ACTQ573QSC
74ACTQ573QSC
BUS DRIVER
Fairchild Semiconductor
625 $1.52
74ACTQ Tube ObsoleteD-Type Transparent Latch8:8Tri-State4.5V ~ 5.5V16.5ns24mA, 24mA-40°C ~ 85°CSurface Mount20-LSSOP (0.154", 3.90mm Width)20-QSOP
74ACQ573SC
74ACQ573SC
BUS DRIVER
Fairchild Semiconductor
104 $1.51
74ACQ Tube ObsoleteD-Type Transparent Latch8:8Tri-State2V ~ 6V15.5ns24mA, 24mA-40°C ~ 85°CSurface Mount20-SOIC (0.295", 7.50mm Width)20-SOIC
74AC373FP-E
74AC373FP-E
OCTAL D-TYPE TRANSPARENT LATCHS
Renesas Electronics America Inc
229 $1.52
Bulk Active-----------
74ACT16373SSCX
74ACT16373SSCX
BUS DRIVER
Fairchild Semiconductor
239 $1.54
74ACT Bulk ObsoleteD-Type Transparent Latch8:8Tri-State4.5V ~ 5.5V25.3ns24mA, 24mA-40°C ~ 85°CSurface Mount48-BSSOP (0.295", 7.50mm Width)48-SSOP
74ACT16373SSC
74ACT16373SSC
BUS DRIVER
Fairchild Semiconductor
572 $1.57
74ACT Tube ObsoleteD-Type Transparent Latch8:8Tri-State4.5V ~ 5.5V25.3ns24mA, 24mA-40°C ~ 85°CSurface Mount48-BSSOP (0.295", 7.50mm Width)48-SSOP
MAX834EUK-T
MAX834EUK-T
LATCHING VOLTAGE MONITORS
Analog Devices Inc./Maxim Integrated
482 $1.55
Bulk Active-----------
MAX834EUK
MAX834EUK
LATCHING VOLTAGE MONITORS
Analog Devices Inc./Maxim Integrated
243 $1.58
Bulk Active-----------
74LCX16841MTDX
74LCX16841MTDX
BUS DRIVER, LVC/LCX/Z SERIES
Fairchild Semiconductor
266 $1.62
74LCX Bulk ObsoleteD-Type Transparent Latch10:10Tri-State2V ~ 3.6V21.5ns24mA, 24mA-40°C ~ 85°CSurface Mount56-TFSOP (0.240", 6.10mm Width)56-TSSOP