Datasheets
SN74F521N by:

8-Bit Identity/Magnitude Comparators (P=Q) with Enable 20-PDIP 0 to 70

Part Details for SN74F521N by Texas Instruments

Overview of SN74F521N by Texas Instruments

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Price & Stock for SN74F521N

Part # Distributor Description Stock Price Buy
DISTI # 67K1075
Newark 8 Channel Identity Comparator, Dip-20, Logic Family/Base Number:74F521, Comparator Type:Identity, No. Of Channels:8Channels, No. Of Bits:8Bit, Logic Case Style:Dip, No. Of Pins:20Pins, Supply Voltage Min:4.5V, Logic Ic Family:74F Rohs Compliant: Yes |TEXAS INSTRUMENTS SN74F521N Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk 467
  • 1 $0.2200
  • 10 $0.2200
  • 100 $0.2200
  • 500 $0.2200
  • 1,000 $0.2200
  • 2,500 $0.2200
  • 10,000 $0.2200
$0.2200 Buy Now
DISTI # 37AJ1087
Newark Logic, Comparator Id 8Bit, 20Dip, Logic Family/Base Number:74F521, Comparator Type:Identity, No. Of Channels:8Channels, No. Of Bits:8Bit, Logic Case Style:Dip, No. Of Pins:20Pins, Supply Voltage Min:4.5V, Supply Voltage Max:5.5V, Rohs Compliant: Yes |TEXAS INSTRUMENTS SN74F521N Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Bulk 176
  • 1 $0.9670
  • 10 $0.8400
  • 100 $0.8300
  • 500 $0.8210
  • 1,000 $0.8110
  • 2,500 $0.8020
  • 10,000 $0.7940
$0.7940 / $0.9670 Buy Now
DISTI # 2156-SN74F521N-ND
DigiKey IC COMPARATOR IDENTITY 8B 20DIP Min Qty: 1 Lead time: 12 Weeks Container: Bulk MARKETPLACE PRODUCT 5113
In Stock
  • 742 $0.4000
$0.4000 Buy Now
DISTI # 296-33912-5-ND
DigiKey IC COMPARATOR IDENTITY 8B 20DIP Min Qty: 1 Lead time: 12 Weeks Container: Tube 680
In Stock
  • 1 $0.9300
  • 20 $0.8345
  • 40 $0.7917
  • 100 $0.6504
  • 260 $0.6080
  • 500 $0.5373
  • 1,000 $0.4242
  • 2,500 $0.3959
  • 5,000 $0.3761
$0.3761 / $0.9300 Buy Now
DISTI # 595-SN74F521N
Mouser Electronics Logic Comparators Octal Binary/BCD Idy Comparators w/Enable RoHS: Compliant 1353
  • 1 $0.9300
  • 10 $0.8340
  • 100 $0.6500
  • 500 $0.5370
  • 1,000 $0.4240
  • 2,000 $0.3950
  • 5,000 $0.3760
  • 10,000 $0.3610
$0.3610 / $0.9300 Buy Now
Bristol Electronics   88
RFQ
Bristol Electronics   Min Qty: 7 1220
  • 7 $0.7500
  • 28 $0.4875
  • 104 $0.2812
  • 357 $0.2400
  • 772 $0.2100
$0.2100 / $0.7500 Buy Now
Quest Components IDENTITY COMPARATOR, 20 Pin, Plastic, DIP 293
  • 1 $0.7809
  • 24 $0.4685
  • 108 $0.3644
$0.3644 / $0.7809 Buy Now
Quest Components IDENTITY COMPARATOR, 20 Pin, Plastic, DIP 128
  • 1 $0.5250
  • 11 $0.4200
  • 49 $0.2625
$0.2625 / $0.5250 Buy Now
Quest Components IDENTITY COMPARATOR, 20 Pin, Plastic, DIP 4
  • 1 $0.7700
$0.7700 Buy Now
Quest Components IDENTITY COMPARATOR, 20 Pin, Plastic, DIP 16
  • 1 $0.9565
  • 6 $0.7652
$0.7652 / $0.9565 Buy Now
Quest Components IDENTITY COMPARATOR, 20 Pin, Plastic, DIP 976
  • 1 $1.0000
  • 121 $0.3000
  • 668 $0.2600
$0.2600 / $1.0000 Buy Now
Quest Components IDENTITY COMPARATOR, 20 Pin, Plastic, DIP 96
  • 1 $1.3015
  • 20 $0.7809
  • 78 $0.6508
$0.6508 / $1.3015 Buy Now
Quest Components IDENTITY COMPARATOR, 20 Pin, Plastic, DIP 48
  • 1 $1.3015
  • 5 $1.0412
  • 20 $0.7809
$0.7809 / $1.3015 Buy Now
Quest Components IDENTITY COMPARATOR, 20 Pin, Plastic, DIP 79
  • 1 $2.4000
  • 11 $1.4400
  • 43 $1.2000
$1.2000 / $2.4000 Buy Now
Quest Components IDENTITY COMPARATOR, 20 Pin, Plastic, DIP 42
  • 1 $6.6420
  • 6 $4.8708
  • 16 $4.4280
$4.4280 / $6.6420 Buy Now
Rochester Electronics SN74F521 8-Bit Identity/Magnitude Comparators (P=Q) with Enable RoHS: Not Compliant Status: Active Min Qty: 1 5113
  • 1 $0.4083
  • 25 $0.4001
  • 100 $0.3838
  • 500 $0.3675
  • 1,000 $0.3471
$0.3471 / $0.4083 Buy Now
Ameya Holding Limited IC COMPARATOR IDENTITY 8B 20DIP 3469
RFQ
Component Electronics, Inc IN STOCK SHIP TODAY 694
  • 1 $0.7700
  • 100 $0.5800
  • 1,000 $0.5000
$0.5000 / $0.7700 Buy Now
DISTI # 3121035
element14 Asia-Pacific LOGIC, COMPARATOR ID 8BIT, 20DIP RoHS: Compliant Min Qty: 1 Container: Each 176
  • 1 $0.9772
  • 10 $0.8964
  • 50 $0.8891
  • 100 $0.8817
  • 250 $0.8744
  • 500 $0.8670
  • 1,000 $0.8597
  • 2,500 $0.8523
$0.8523 / $0.9772 Buy Now
DISTI # 3121035
Farnell LOGIC, COMPARATOR ID 8BIT, 20DIP RoHS: Compliant Min Qty: 1 Lead time: 40 Weeks, 1 Days Container: Each 176
  • 1 $1.0576
  • 10 $1.0352
  • 50 $1.0140
  • 100 $0.9916
  • 250 $0.9705
  • 500 $0.9481
  • 1,000 $0.9269
  • 2,500 $0.9045
$0.9045 / $1.0576 Buy Now

Part Details for SN74F521N

SN74F521N CAD Models

SN74F521N Part Data Attributes

SN74F521N Texas Instruments
Buy Now Datasheet
Compare Parts:
SN74F521N Texas Instruments 8-Bit Identity/Magnitude Comparators (P=Q) with Enable 20-PDIP 0 to 70
Rohs Code No
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code DIP
Package Description PLASTIC, DIP-20
Pin Count 20
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Additional Feature CASCADABLE
Family F/FAST
JESD-30 Code R-PDIP-T20
JESD-609 Code e4
Length 24.325 mm
Load Capacitance (CL) 50 pF
Logic IC Type IDENTITY COMPARATOR
Max I(ol) 0.02 A
Number of Bits 8
Number of Functions 8
Number of Terminals 20
Operating Temperature-Max 70 °C
Operating Temperature-Min
Output Polarity INVERTED
Package Body Material PLASTIC/EPOXY
Package Code DIP
Package Equivalence Code DIP20,.3
Package Shape RECTANGULAR
Package Style IN-LINE
Packing Method TUBE
Peak Reflow Temperature (Cel) NOT SPECIFIED
Power Supply Current-Max (ICC) 32 mA
Prop. Delay@Nom-Sup 11 ns
Propagation Delay (tpd) 11 ns
Qualification Status Not Qualified
Seated Height-Max 5.08 mm
Supply Voltage-Max (Vsup) 5.5 V
Supply Voltage-Min (Vsup) 4.5 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount NO
Technology TTL
Temperature Grade COMMERCIAL
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form THROUGH-HOLE
Terminal Pitch 2.54 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Width 7.62 mm

Alternate Parts for SN74F521N

This table gives cross-reference parts and alternative options found for SN74F521N. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of SN74F521N, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Description Manufacturer Compare
54F521DC F/FAST SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, CDIP20 Texas Instruments SN74F521N vs 54F521DC
SN54F521J 8-Bit Identity/Magnitude Comparators (P=Q) with Enable 20-CDIP -55 to 125 Texas Instruments SN74F521N vs SN54F521J
5962-9759101QRA 8-Bit Identity/Magnitude Comparators (P=Q) with Enable 20-CDIP -55 to 125 Texas Instruments SN74F521N vs 5962-9759101QRA
74F521DC Identity Comparator, F/FAST Series, 8-Bit, Inverted Output, TTL, CDIP20, CERAMIC, DIP-20 Fairchild Semiconductor Corporation SN74F521N vs 74F521DC
SN74F521NE4 F/FAST SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, PDIP20, ROHS COMPLIANT, PLASTIC, DIP-20 Texas Instruments SN74F521N vs SN74F521NE4
M38510/34701SRX F/FAST SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, CDIP20, CERAMIC, DIP-20 Texas Instruments SN74F521N vs M38510/34701SRX
N74F521N Identity Comparator, F/FAST Series, 8-Bit, Inverted Output, TTL, PDIP20, YAGEO Corporation SN74F521N vs N74F521N
SNJ54F521J-00 F/FAST SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, CDIP20 Texas Instruments SN74F521N vs SNJ54F521J-00
JM38510/34701BRA 8-Bit Identity/Magnitude Comparators (P=Q) with Enable 20-CDIP -55 to 125 Texas Instruments SN74F521N vs JM38510/34701BRA
N74F521N Identity Comparator, F/FAST Series, 8-Bit, Inverted Output, TTL, PDIP20, PLASTIC, DIP-20 Rochester Electronics LLC SN74F521N vs N74F521N
Part Number Description Manufacturer Compare
74F521SJ Identity Comparator, F/FAST Series, 8-Bit, Inverted Output, TTL, PDSO20, 5.30 MM, EIAJ TYPE2, SOP-20 Rochester Electronics LLC SN74F521N vs 74F521SJ
5962-89793022X Identity Comparator, ACT Series, 8-Bit, Inverted Output, CMOS, 0.358 X 0.358 INCH, 0.100 INCH HEIGHT, CC-20 e2v technologies SN74F521N vs 5962-89793022X
N74F521D-T Identity Comparator, F/FAST Series, 8-Bit, Inverted Output, TTL, PDSO20, YAGEO Corporation SN74F521N vs N74F521D-T
74F521PC_NL Identity Comparator, F/FAST Series, 8-Bit, Inverted Output, TTL, PDIP20, 0.300 INCH, LEAD FREE, PLASTIC, MS-001, DIP-20 Fairchild Semiconductor Corporation SN74F521N vs 74F521PC_NL
M38510/34701B2X Identity Comparator, F/FAST Series, 8-Bit, Inverted Output, TTL, CQCC20, CERAMIC, LCC-20 e2v technologies SN74F521N vs M38510/34701B2X
SN74ALS521DWRE4 8-Bit Identity/Magnitude Comparators (P=Q) with Enable 20-SOIC 0 to 70 Texas Instruments SN74F521N vs SN74ALS521DWRE4
DM74ALS520WMX Identity Comparator, ALS Series, 8-Bit, Inverted Output, TTL, PDSO20, 0.300 INCH, MS-013, SOIC-20 Fairchild Semiconductor Corporation SN74F521N vs DM74ALS520WMX
74ACT521SC Identity Comparator, AC Series, 8-Bit, Inverted Output, CMOS, PDSO20, 0.300 INCH, MS-013, SOIC-20 Fairchild Semiconductor Corporation SN74F521N vs 74ACT521SC
74ACT520LCTR Identity Comparator, ACT Series, 8-Bit, Inverted Output, CMOS, CQCC20, CERAMIC, LCC-20 Fairchild Semiconductor Corporation SN74F521N vs 74ACT520LCTR
74ACT521FCQR ACT SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, CDFP20, CERAMIC, FP-20 Texas Instruments SN74F521N vs 74ACT521FCQR

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