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74C161N — DIP-14/16 package (representative)
DIP-14/16
Representative of package type
National Semiconductor

74C161N

Counter · DIP-16 · Logic IC
Part Status: Obsolete
Data last refreshed Jul 22, 2026
Manufacturer
National Semiconductor
Mfr Part #
74C161N
Series
74C161
Category
Counter
Datasheet
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Availability & Pricing
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Product Attributes

Electrical & Parametric
Family74C
Supply Voltage3V~15V
Logic TypeCMOS
Physical & Thermal
Package / CaseDIP-16
Mounting TypeThrough Hole
Series74C161
Operating Temperature-40°C ~ 85°C
Classification & Lifecycle
CategoryCounter
TypeLogic IC
Part StatusObsolete

CMOS 4-bit synchronous binary counter with asynchronous clear

Part Activity

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Recent search and sourcing activity for 74C161N.

Engineering FAQ

74C161N is marked Obsolete — how does ZDI assure authenticity?
Obsolete and end-of-life parts carry elevated counterfeit risk, which is exactly why ZDI routes every lot through the full EQuality Process™ — validation, QI-1 and QI-2/camera inspection, RoHS verification, bake and bag-and-tag, and QI-3 final inspection — with source-country supplier vetting and full lot traceability before release.
What are the key specifications of 74C161N?
Family: 74C; Supply Voltage: 3V~15V; Logic Type: CMOS.
What package is 74C161N supplied in?
74C161N is supplied in the DIP-16 package, through hole, rated -40°C ~ 85°C.
Can ZDI source 74C161N beyond the quantities shown?
Yes — ZD Integrated Circuits specializes in sourcing hard-to-find, obsolete, and excess electronic components through its global network, with counterfeit-avoidance inspection on every lot. Submit an RFQ with your target quantity for availability and pricing.

Documents & Media

Quality & Counterfeit Avoidance

ISO 9001 ERAI Member ESD Certified GIDEP Participant ZDI EQuality Process CAGE Code 1V8K2

ZD Integrated Circuits operates an ISO 9001-certified quality system incorporating JEDEC-standard process-control elements. In an era of global sourcing and internet procurement, standards compliance alone no longer assures component authenticity — so ZDI pioneered a multi-layered counterfeit-avoidance program: supplier analysis at the source-country level, detailed component analysis, defined inspection standards for all incoming devices, and stringent supplier rating and review. These programs let ZDI guarantee the integrity and the source of every component it ships.

Every lot moves through ZDI's EQuality Process™ — validation, QI-1 and QI-2/camera inspection, RoHS verification, bake and bag-and-tag, and QI-3 final inspection — with Quality-Manager disposition before release. Nonconforming material is quarantined; conforming material is warehoused or shipped.

✓Multi-stage EQuality Process™ inspection (QI-1 · QI-2/camera · QI-3)
✓Source-country supplier analysis, rating & review
✓Incoming inspection, RoHS verification, bake, full lot traceability
✓ESD-controlled handling · authentic parts guaranteed

74C161N is marked Obsolete. Obsolete and end-of-life parts carry elevated counterfeit risk — exactly why ZDI routes them through the full EQuality Process™ with source-country supplier vetting, inspection, and traceability.

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