SN74LS373DWR Price & Stock

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Manufacturer
Integrated Circuits (ICs) > Logic - Latches
IC OCT D-TYPE LATCH 20-SOIC
Specifications
Series 74LS
Part Status Active
Logic Type D-Type Transparent Latch
Circuit 8:8
Output Type Tri-State
Voltage - Supply 4.75 V ~ 5.25 V
Independent Circuits 1
Delay Time - Propagation 12ns
Current - Output High, Low 2.6mA, 24mA
Operating Temperature 0°C ~ 70°C
Mounting Type Surface Mount
Package / Case 20-SOIC (0.295", 7.50mm Width)
Supplier Device Package 20-SOIC
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Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments D-Type Transparent Latch 1 Channel 8:8 IC Tri-State 20-SOIC 1275
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR/7.2 TI SOP-20A ; DC:2019 2500
Inquiry
SN74LS373DWR TI SOP20 ; DC:2021 15000
Inquiry
SN74LS373DWR(LF) TI SOP ; DC:2021 15000
Inquiry
SN74LS373DWRG4 TI SOP-20 ; DC:2019 20000
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments SN74LS373 Octal D-type Transparent Latches with 3-state Outputs 7336
1-24:  $0.3792
25-99:  $0.3716
100-499:  $0.3564
500-999:  $0.3413
1000+:  $0.3223
Buy
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments 20-SOIC (0.295", 7.50mm Width) 2000
Inquiry
SN74LS373DWR price|Allchips Limited
Allchips Limited
Certificates
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments D-Type Transparent Latch 1 Channel 8:8 IC Tri-State 20-SOIC In-Stock
Inquiry
SN74LS373DWR Texas Instruments Latch Transparent 3-ST 8-CH D-Type 20-Pin SOIC T/R In-Stock
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR
sku #: 2502-SN74LS373DWR
Texas Instruments IC OCT D-TYPE LATCH 20-SOIC 1298
1:  $0.917
10:  $0.865
100:  $0.816
500:  $0.770
1000:  $0.727
Inquiry
SN74LS373DWR price|Mouser
Mouser
Certificates
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR
sku #: 595-SN74LS373DWR
Texas Instruments Latches Octal D Type Transp Latch
Latches
9084 In Stock
1:  $0.82
10:  $0.72
100:  $0.565
500:  $0.484
1000:  $0.386
2000:  $0.367
4000:  $0.357
10000:  $0.336
24000:  $0.33
Buy
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments IC OCT D-TYPE LATCH 20-SOIC
Integrated Circuits (ICs)>Logic-Latches
10903
1:  $0.738
10:  $0.648
100:  $0.508
500:  $0.436
1000:  $0.347
Buy
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments Tape & Reel (TR),Cut Tape (CT),Digi-Reel?,Bulk 12735
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWRG4 Diodes Incorporated In stock, original factory original, can be delivered immediately, please email to our staff for details
integrated circuit
12863
Inquiry
SN74LS373DWR price|LCSC
LCSC
Certificates
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments SOIC-20-300mil Latches ROHS 64
1:  $0.765
10:  $0.633
30:  $0.566
100:  $0.501
500:  $0.463
1000:  $0.442
Buy
SN74LS373DWRG4 Texas Instruments 4.75V~5.25V D-Typelocking Latch SOIC-20-300mil Latches ROHS 1
1:  $1.160
10:  $0.990
30:  $0.896
100:  $0.754
500:  $0.706
1000:  $0.686
Buy
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments 7
$0.91
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments IC OCT D-TYPE LATCH 20-SOIC
Logic - Latches
14206
Buy
SN74LS373DWRE4 Texas Instruments IC OCT TRANSP D-TYP LATCH 20SOIC
Logic - Latches
1960
Buy
SN74LS373DWRG4 Texas Instruments IC D-TYPE LATCH SGL 3-ST 20SOIC
Logic - Latches
8655
Buy
SN74LS373DWR price|HSK Electronics
HSK Electronics
Certificates
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments IC OCT D-TYPE LATCH 20-SOIC 3200
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TI 100% NEW AND ORIGINAL IN STOCK, PRICE ADVANTAGE 4000
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TI In-Stock
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments IC OCT D-TYPE LATCH 20-SOIC 14050
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TEXAS INSTRUMENTS SOP20 ; DC:2317 500
Inquiry
SN74LS373DWR Texas Instruments DC:UNKN 6711
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TI Purchase Online. Ship Immediately. 22
1:  $0.465
Buy
SN74LS373DWR(LX) lingxingic Purchase Online. Ship Immediately. SOP-20-300mil Latches ROHS 2200
1000:  $0.212
500:  $0.223
100:  $0.243
30:  $0.286
10:  $0.321
1:  $0.402
Buy
SN74LS373DWRG4 Texas Instruments Purchase Online. Ship Immediately. 74LS D-Type Transparent Latch 4.75V ~ 5.25V SOIC-20_300mil Latches RoHS 2
1000:  $0.576
500:  $0.595
100:  $0.662
30:  $0.750
10:  $0.827
1:  $0.968
Buy
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments IC OCT D-TYPE LATCH 20-SOIC 10000
1:  $0.990
Buy
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments D-Type Transparent Latch 1 Channel 8:8 IC Tri-State 20-SOIC ; Tape & Reel (TR) 5249
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Luminary Micro / Texas Instruments IC OCT D-TYPE LATCH 20-SOIC
Logic - Latches
In-Stock
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments IC OCT D-TYPE LATCH 20-SOIC 4712
$0.722
Buy
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments IC OCT D-TYPE LATCH 20-SOIC ; DC:21+ ; 20-SOIC 100
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments D-Type Transparent Latch 1 Channel 8:8 IC Tri-State 20-SOIC 27802
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments 18397
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments Available, Contact us 2000
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Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TI DC:21+ ; SMD /PB 11362
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments IC OCT D-TYPE LATCH 20-SOIC 2799
Buy
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TI DC:1939+ 4225
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments IC OCT D-TYPE LATCH 20-SOIC 10000
1:  $0.990
2000:  $0.360
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TI SOP7.2 15200
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments IC OCT D-TYPE LATCH 20-SOIC
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TI SOP20 ; DC:21+ 6000
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments IC OCT D-TYPE LATCH 20-SOIC 12000
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments 689
Buy
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments Brand new and original/respond online to quote. 15494
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Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments 2,000
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments New and Original 22466
1:  $0.322
10:  $0.296
100:  $0.270
500:  $0.245
1000:  $0.219
Inquiry
SN74LS373DWR price|Win Source
Win Source
Certificates
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments Latch Transparent 3-ST 8-CH D-Type 20-Pin SOIC T/R / IC OCT D-TYPE LATCH 20-SOIC 17800
80:  $0.641
Buy
SN74LS373DWR2 ON Semiconductor Octal Transparent Latch with 3-State Outputs Octal D-Type Flip-Flop with 3-State Output 349
70:  $0.728
Buy
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments IC D-TYPE TRANSP SGL 8:8 20SOIC 39725
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments 100% new and original in stock
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWRG4 Texas Instruments SOIC-20_300mil 796
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments Latch Transparent 3-ST 8-CH D-Type 20-Pin SOIC T/R 2
Buy
SN74LS373DWR2 Motorola Semiconductor Products Latch, Single, 8 Bit, 20 Pin, Plastic, SOP 9
Buy
SN74LS373DWR price|Ersa Limited
Ersa Limited
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Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments IC OCT D-TYPE LATCH 20-SOIC 4314
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TI NEW 5930
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TI DC:1926+ ; SOP20 94
Inquiry
SN74LS373DWR Texas Instruments IC OCT D-TYPE LATCH 20-SOIC ; DC:21+ ; 20-SOIC 111
Inquiry
SN74LS373DWR price|Resion LLC
Resion LLC
Certificates
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TI In-Stock ; DC:96 450
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments Inc OEM/CM QUOTES ONLY | NO BROKERS 25085
Inquiry
SN74LS373DWR2 MOTOROLA OEM/CM QUOTES ONLY | NO BROKERS 13090
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TI SOP ; DC:20+ 8896
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments 20-SOIC New and original,In Stock 19140
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Luminary Micro / Texas Instruments IC OCT D-TYPE LATCH 20-SOIC ; 20-SOIC
Logic - Latches
Available
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments DC:24+ ; IC OCT D-TYPE LATCH 20-SOIC 49303
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TI OEM/CM In stock 1221
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Luminary Micro / Texas Instruments IC OCT D-TYPE LATCH 20-SOIC 10000
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments 74LS373 Cut Tape (CT) LS 74LS latch circuit 30ns 2.6mA 24mA 36ns 500.709277mg 2
1:  $0.609
10:  $0.500
30:  $0.484
Buy
SN74LS373DWR price|BARUM Electronics
BARUM Electronics
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Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Luminary Micro / Texas Instruments IC OCT D-TYPE LATCH 20-SOIC 23327
Inquiry
SN74LS373DWR2 MOTOROL in stock,Can be ship within 1 day 23355
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments Part Status: Active Logic Type: D-Type: Transparent Latch Circuit: 8:8 Output Type: Tri-State Voltage - Supply: 4.75 V ~ 5.25 V Independent Circuit:s 1 Delay Time: - Propagation 12ns Current - Output: High Low 2.6mA 24mA Operating Temperature: 0¡ãC ~ 70¡ãC Mounting Type: Surface Mount Package / Case: 20-SOIC (0.295" 7.50mm Width) Supplier Device Package: 20-SOIC Shipment: UPS/EMS/DHL/FedEx Express. Condtion: New original factory. ; DC:2002 ; TAPE & REEL 1260
100:  $0.360
1000:  $0.360
10000:  $0.360
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TI IN STOCK 2532
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments Check alternative solution with competitive price 41423
$0.8055
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TI SOP-20 ; DC:20+ 6000
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments IC OCT D-TYPE LATCH 20-SOIC 31438
Inquiry
SN74LS373DWR price|Ariat Technology
Ariat Technology
Certificates
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Luminary Micro / Texas Instruments IC OCT D-TYPE LATCH 20-SOIC
Logic - Latches
2508
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TI 260
Inquiry
SN74LS373DWR2 ON 483
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TI Stock to ship immediately 478
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TI IN STOCK Immediate delivery 2532
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Luminary Micro / Texas Instruments IC OCT D-TYPE LATCH 20-SOIC
Logic - Latches
1145
10:  $1.14
100:  $0.91
1000:  $0.83
2500:  $0.83
Inquiry
SN74LS373DWR price|Ample Chip
Ample Chip
Certificates
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments IC OCT D-TYPE LATCH 20-SOIC 101010
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR2 ON 5133
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TI1 In Stock
Inquiry
SN74LS373DWR Texas Instruments (TI) In Stock
Inquiry
SN74LS373DWR TI In Stock
Inquiry
SN74LS373DWR TEXAS INSTRUMENTS In Stock
Inquiry
SN74LS373DWR2 ONSEMI In Stock
Inquiry
SN74LS373DWR2 Motorola Semiconductor In Stock
Inquiry
SN74LS373DWR2 ON Semiconductor In Stock
Inquiry
SN74LS373DWR2 MOT In Stock
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TI IN STOCK Immediate delivery 1932
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Luminary Micro / Texas Instruments IC OCT D-TYPE LATCH 20-SOIC 12000
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TI DC:2019+ ; SOP20 26899
Inquiry
SN74LS373DWR TI DC:12+ ; SOP20 33
Inquiry
SN74LS373DWR TI DC:2016 ; SOP 21
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TI IN STOCK Immediate delivery 2532
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments 23
Inquiry
SN74LS373DWR U/K 199
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TEXAS Electronic Distribution since 1988. ERAI Certified supplier. ; DC:9740 172
Inquiry
SN74LS373DWR2 MOT IC LATCH TRANS 3-ST 8-CH D-TYPE 20-PIN SOIC ; DC:98 196
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR FAI SOT ; DC:2022+ 6000
Inquiry
SN74LS373DWR TI SOP ; DC:2022+ 8
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments Latch Transparent 3-ST 8-CH D-type 20-PIN SOIC T/r / IC Oct D-type Latch 20-SOIC 33019
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TI Original stock,24-hour delivery 2239
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR/7.2 TI SOP-20A ; DC:21+ 7500
Inquiry
SN74LS373DWR TI SOP20 ; DC:21+ 8800
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TI in stock Immediately 1769
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments New and Original 1626
1:  $0.618
10:  $0.556
100:  $0.525
1000:  $0.494
10000:  $0.464
Inquiry
SN74LS373DWRG4 Texas Instruments New and Original 231
1:  $1.378
10:  $1.240
100:  $1.171
1000:  $1.102
10000:  $1.034
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments Latches Octal D Type Transp Latch in stock
Inquiry
SN74LS373DWR price|Utsource
Utsource
Certificates
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TI
Elec-component>
15
1:  $0.55720
Buy
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments IC OCT D-TYPE LATCH 20-SOIC 110,510,001
$0.93
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Luminary Micro / Texas Instruments IC OCT D-TYPE LATCH 20-SOIC 12000
Buy
SN74LS373DWR price|Quest Components
Quest Components
Certificates
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR Texas Instruments Inc Latch, Single, 8 Bit, 20 Pin, Plastic, SOP 18376
5643:  $0.2538
2649:  $0.2659
1:  $0.7251
Buy
SN74LS373DWR Texas Instruments Inc Latch, Single, 8 Bit, 20 Pin, Plastic, SOP 24
22:  $0.7251
5:  $0.9668
1:  $1.2085
Buy
SN74LS373DWR2 Motorola Latch, Single, 8 Bit, 20 Pin, Plastic, SOP 11824
9092:  $0.1575
4268:  $0.1650
1:  $0.4500
Buy
SN74LS373DWR2 Motorola Latch, Single, 8 Bit, 20 Pin, Plastic, SOP 640
614:  $0.2610
154:  $0.3263
1:  $0.6525
Buy
SN74LS373DWR2 Motorola Latch, Single, 8 Bit, 20 Pin, Plastic, SOP 156
134:  $0.3750
34:  $0.4500
1:  $0.7500
Buy
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TI DC:06+ ; SOP20 3
Inquiry
SN74LS373DWR2 MOTOROLA DC:92 ; SOP 650
Inquiry
SN74LS373DWR price|Depu Electronics
Depu Electronics
Certificates
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR TI 2018+_SOP_new and original 15000
Inquiry
SN74LS373DWR2 MOTOROLA 2019+_93_new and original 2500
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR
sku #: SN74LS373DWR
U/K 44555
Inquiry
SN74LS373DWR2
sku #: SN74LS373DWR2
MOTOROLA SEMICONDUCTOR PR 37477
Inquiry
Part # Manufacturer Description Stock Price Buy
SN74LS373DWR2 Motorola Corp IC - T&R ; DC:9802 800
1+:  $0.17221
168+:  $0.13698
336+:  $0.12916
504+:  $0.12002
672+:  $0.10698
Buy
See Also:
SN74LS273DWR SN74LS323DWR SN74LS373DW SN74LS573DWR SN74LS374DWR SN74LS373DWR2 SN74LS377DWR SN74LS373D SN74LS273DW SN74LS323DW SN74LS377DW SN74LV373AWR SN74LS593DWR SN74LS378DR SN74LS273DWR2 SN74LV373DW SN74LS373DWRG4 SN74LS623DWR SN74LS375DR SN74LS373DWRE4 SN74LS673DW SN74LS373NSR SN74LVC373DWR SN74LV273DWR SN74LS393DR SN74LS374DW SN74LS33DR SN74LS374DBR SN74LS374DWR2 SN74LS377DWR2 SN74LV373ADWR SN74LS367ADBR SN74LS175DR SN74LS273D SN74LS373NS SN74LS244DWR SN74LVTH373DWR SN74LS641DWR SN74LS75DR SN74LS240DWR SN74LS541DWR SN74LS123DR SN74LV373APWR SN74LS378NSR SN74LS47DR SN74LS671DW SN74LV374PWR SN74LS670DR SN74LS373NE4 More » SN74LS137DR SN74LS03DR SN74LS174DR SN74LS367ADR SN74LS465DWR SN74LS374NSR SN74LS153DR SN74LS73ADR SN74LS393NSR SN74LV573ADWR SN74LS32DBR SN74LV574DWR SN74LS38DR SN74LS593DW SN74LS273DWG4 SN74LS193DR SN74LS377NSR SN74LS355DW SN74LS283DR SN74LS375D SN74LV374ADWR SN74LS682DWR SN74LS31DR SN74LV373ADW SN74LVT273DWR SN74LS32DR SN74LS379D SN74LS374DB SN74LS27DR SN74LS374D SN74LVC573DWR SN74LS688DWR SN74LV373ADBR SN74LS393DR2 SN74LS393DG4 SN74LV273ADWR SN74LS375NSR SN74LS373MR1 SN74LS273NSR SN74LS2323DR SN74LS598DWR SN74LS652DWR SN74LS373NG4 SN74LS373ML1 SN74LS123DBR SN74LS93DR SN74LS245DWR SN74LS390DR SN74LS243DR SN74LS07DR SN74LS30DR SN74LS674DW SN74LS540DWR SN74LV373ATDWR SN74LS466DWR SN74LS07DBR SN74LS173ADR SN74LS348DR SN74LS423DR SN74LS293DR SN74LVC373DW SN74LS373J SN74LS37NSR SN74LS646DWR SN74LS374DWRG4 SN74LVT573DWR SN74LVC373ADWR SN74LS393D SN74LS253DR SN74LS378D