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Home  /  Integrated Circuits (ICs)  /  Logic - Comparators  /  Fairchild Semiconductor 74F521SC
74F521SC
74F521SC
Obsolete
Logic - Comparators
Description:  IDENTITY COMPARATOR
Manufacturer:  Fairchild Semiconductor
Datasheet:   74F521SC Datasheet
History Price: $0.40000
In Stock: 4240
Distributors
Specification
PDF Datasheet
Equivalent
74F521SC Specification
Specification
Mfr Part
74F521SC
Category
Logic - Comparators
Manufacturer
Fairchild Semiconductor
Series
74F
Packaging
Tube
Status
Obsolete
Environmental Compliance
Lead Free
Radiation Hardening
No
REACH SVHC
No SVHC
RoHS
Compliant
HS Code
-
Technical Parameter
Type
Identity Comparator
Number of Bits
8
Output
Active Low
Output Function
A=B
Voltage - Supply
4.5V ~ 5.5V
Current - Output High, Low
1mA, 20mA
Max Propagation Delay @ V, Max CL
10ns @ 5V, 50pF
Current - Quiescent (Iq)
-
Operating Temperature
0 ℃ ~ 70 ℃
Package / Case
20-SOIC (0.295", 7.50mm Width)
Supplier Device Package
20-SOIC
Mounting Type
Surface Mount
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    Customer Reviews
    4.95 out of 5.00 stars from 163 customer reviews from all over the world
    Jip de Jong
    Netherlands
    5 stars
    2026-09-29 19:47
    Good seller. Product OK, but a bit on the expensive side.
    Dainius Pocius
    Lithuania
    5 stars
    2026-09-29 19:05
    Gauta. Netikrints Veikimas.
    Mário André
    Brazil
    5 stars
    2026-09-29 17:06
    I took about the stock. I can't say anything significant. As I use at least one, I'll add a review.
    Ylenia Gallo
    Italy
    5 stars
    2026-09-28 05:33
    Perfect and arrived fast
    Heloísa Costa Nascimento
    Brazil
    5 stars
    2026-09-26 04:10
    Excellent, product as described, solved my problem, recommend, arrived very fast.
    Gabriela Mendes Neto
    Brazil
    5 stars
    2026-09-25 12:37
    Excellent Product!!! Working perfectly!!! Recommend to everyone.
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