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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
MC4335L
MC4335L
D LATCH, 1-FUNC, 4-BIT, TTL
Motorola
 39 $12.08
Bulk Active-----------
9308FMQB
9308FMQB
D LATCH, 4-BIT
National Semiconductor
 8 $16.74
Bulk Active-----------
MC9314F
MC9314F
D LATCH, 1-FUNC, 4-BIT, TTL
Motorola
 53 $18.04
Bulk Active-----------
CD4044BK
CD4044BK
CMOS QUAD NAND R/S LATCH
Harris Corporation
 37 $19.94
Bulk ActiveS-R Latch1:1Tri-State3V ~ 18V450ns6.8mA, 6.8mA-55°C ~ 125°CSurface Mount16-CFlatpack16-CFP
CD4099BK
CD4099BK
CMOS 8-BIT ADDRESSABLE LATCH
Harris Corporation
 16 $20.42
Bulk ActiveD-Type, Addressable1:8Standard3V ~ 18V150ns6.8mA-55°C ~ 125°CSurface Mount16-CFlatpack16-CFP
93L34FMQB
93L34FMQB
D LATCH, LOW LEVEL TRIGGERED,
National Semiconductor
 18 $21.43
Bulk Active-----------
AM29843DMB
AM29843DMB
BUS DRIVER, S SERIES, 9-BIT
Advanced Micro Devices
 5 $33.09
Bulk ActiveD-Type Latch9:9Tri-State4.5V ~ 5.5V115ns48mA, 24mA-55°C ~ 125°CThrough Hole24-CDIP (0.300", 7.62mm)24-CDIP
DM54279W/B
DM54279W/B
LATCH
Rochester Electronics, LLC
 8 $105.54
Bulk Active-----------
74LVX16373TTR
74LVX16373TTR
IC LATCH 16BIT LV D 48-TSSOP
STMicroelectronics
 2 $1.16
74LVX Tape & Reel (TR) ObsoleteD-Type Transparent Latch8:8Tri-State2V ~ 3.6V27.5ns4mA, 4mA-55°C ~ 125°CSurface Mount48-TFSOP (0.240", 6.10mm Width)48-TSSOP
MC74HCT259ADR2G
MC74HCT259ADR2G
8-BIT ADDRESSABLE LATCH
onsemi
 1,750 $0.50
74HCT Tape & Reel (TR) ActiveD-Type, Addressable1:8Standard4.5V ~ 5.5V142ns5.2mA, 5.2mA-55°C ~ 125°CSurface Mount16-SOIC (0.154", 3.90mm Width)16-SOIC
74LVC373ABQ,115
74LVC373ABQ,115
IC OCTAL D TRANSP LATCH 20DHVQFN
Nexperia USA Inc.
 1,732 $0.53
74LVC Tape & Reel (TR) ActiveD-Type Transparent Latch8:8Tri-State2.7V ~ 3.6V11.5ns24mA, 24mA-40°C ~ 125°CSurface Mount20-VFQFN Exposed Pad20-DHVQFN (4.5x2.5)
M74HCT373RM13TR
M74HCT373RM13TR
IC LATCH OCTAL D 3STATE 20-SOIC
STMicroelectronics
 1,316 $0.56
74HCT Tape & Reel (TR) ObsoleteD-Type Transparent Latch8:8Tri-State4.5V ~ 5.5V119ns6mA, 6mA-55°C ~ 125°CSurface Mount20-SOIC (0.295", 7.50mm Width)20-SO
MC74HC259ADG
MC74HC259ADG
IC MULTIPLEXER 3ST 8INP 16-SOIC
onsemi
 1,009 $0.56
74HC Tube ObsoleteD-Type, Addressable1:8Standard2V ~ 6V125ns5.2mA, 5.2mA-55°C ~ 125°CSurface Mount16-SOIC (0.154", 3.90mm Width)16-SOIC
74HCT573DB,118
74HCT573DB,118
IC OCTAL D TRANSP LATCH 20SSOP
Nexperia USA Inc.
 182 $0.00
74HCT Tape & Reel (TR) ObsoleteD-Type Transparent Latch8:8Tri-State4.5V ~ 5.5V117ns6mA, 6mA-40°C ~ 125°CSurface Mount20-SSOP (0.209", 5.30mm Width)20-SSOP
HEF4043BT,652
HEF4043BT,652
IC R/S LATCH 3-STATE QUAD 16SOIC
Nexperia USA Inc.
 506 $0.61
4000B Tube ObsoleteS-R Latch1:1Tri-State3V ~ 15V415ns3mA, 3mA-40°C ~ 85°CSurface Mount16-SOIC (0.154", 3.90mm Width)16-SO
MC14042BDG
MC14042BDG
IC TRANSP LATCH QUAD P/N 16-SOIC
onsemi
 403 $0.62
4000B Tube ObsoleteD-Type Transparent Latch1:1Differential3V ~ 18V460ns8.8mA, 8.8mA-55°C ~ 125°CSurface Mount16-SOIC (0.154", 3.90mm Width)16-SOIC
74HCT573D,653
74HCT573D,653
IC LATCH OCTAL D 3STATE 20SOIC
Nexperia USA Inc.
 58 $0.63
74HCT Tape & Reel (TR) ActiveD-Type Transparent Latch8:8Tri-State4.5V ~ 5.5V117ns6mA, 6mA-40°C ~ 125°CSurface Mount20-SOIC (0.295", 7.50mm Width)20-SO
74HCT373D,653
74HCT373D,653
IC LATCH TRANSP OCT D 3ST 20SOIC
Nexperia USA Inc.
 650 $0.64
74HCT Tape & Reel (TR) ActiveD-Type Transparent Latch8:8Tri-State4.5V ~ 5.5V114ns6mA, 6mA-40°C ~ 125°CSurface Mount20-SOIC (0.295", 7.50mm Width)20-SO
74HCT373D,652
74HCT373D,652
IC LATCH TRANSP OCT D 3ST 20SOIC
Nexperia USA Inc.
 3,024 $0.22
74HCT Bulk ObsoleteD-Type Transparent Latch8:8Tri-State4.5V ~ 5.5V114ns6mA, 6mA-40°C ~ 125°CSurface Mount20-SOIC (0.295", 7.50mm Width)20-SO
MC74VHC259DG
MC74VHC259DG
IC LATCH/DECODER 8BIT ADD 16SOIC
onsemi
 245 $0.65
74VHC Tube ObsoleteD-Type, Addressable1:8Standard2V ~ 5.5V14.9ns8mA, 8mA-55°C ~ 125°CSurface Mount16-SOIC (0.154", 3.90mm Width)16-SOIC