74FCT521APC
74FCT521APC
Active
Description:  IDENTITY COMPARATOR
Manufacturer:  National Semiconductor
Datasheet:   74FCT521APC Datasheet
History Price: $0.95000
In Stock: 12000
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74FCT521APC Specification
Specification
Mfr Part
74FCT521APC
Category
Logic - Comparators
Manufacturer
National Semiconductor
Series
74FCT
Packaging
Bulk
Status
Active
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
4.75V ~ 5.25V
Current - Output High, Low
15mA, 48mA
Max Propagation Delay @ V, Max CL
7.2ns @ 5V, 50pF
Current - Quiescent (Iq)
1.5 mA
Operating Temperature
0 ℃ ~ 70 ℃
Package / Case
20-DIP (0.300", 7.62mm)
Supplier Device Package
20-PDIP
Mounting Type
Through Hole
74FCT521APC PDF Datasheet
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  • Customer Reviews
    4.95 out of 5.00 stars from 76 customer reviews from all over the world
    Léonie Caron
    France
    5 stars
    2026-04-22 14:18
    Felt marking on the packaging not very readable (confusion possible ) ! Without that, conform! Thank you seller!
    Danuta Krawczyk
    Poland
    5 stars
    2026-04-21 03:41
    IGBT transistors not detected SA for testerach beside plus t7-h, in tescie for przelaczanie with-12V for E plus zarowka powered + 12V for C triggered finger with Plus, zalancza with-wylancza. Very fast wysylka, fast delivery, product good jakosci, very we
    Charles Reed
    United States
    5 stars
    2026-04-21 03:18
    Good product and work correctly .
    Quentin Giraud
    France
    5 stars
    2026-04-19 20:44
    Well received, not tested yet
    Jukka Laakso
    Finland
    5 stars
    2026-04-18 23:11
    I order 10pcs. Now test three chips and two was ID 0x441, wich is STM32F412, not STM32F407. I am wery disapointed.
    Kęstutis Darius
    Lithuania
    5 stars
    2026-04-18 01:01
    The goods are very satisfied, the seller Thank you very much.