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Texas Instruments SN54HC21J

IC DUAL 4-INP

Answer first: this page is a purchasing reference for the exact part number SN54HC21J from Texas Instruments. Use it to start datasheet, package, manufacturer and RFQ verification; do not treat page text as a live stock, price or lead-time promise.

Manufacturer: Texas Instruments Category: Gates and Inverters Part number: SN54HC21J Package: 14-CDIP (0.300", 7.62mm) RFQ verification required

Key Parameters

Part NumberSN54HC21J
ManufacturerTexas Instruments
CategoryGates and Inverters
package14-CDIP (0.300", 7.62mm)
series54HC
packagingBulk
product statusActive
param 1AND Gate
param 22
param 34
param 4-
param 52V ~ 6V
param 62 µA
param 75.2mA, 5.2mA
param 80.5V ~ 1.8V
param 91.5V ~ 4.2V
param 1019ns @ 6V, 50pF
param 11-55°C ~ 125°C
param 12-
param 13-
param 14Through Hole
param 1514-CDIP

Parameters are provided for purchasing review. Confirm package, suffix, lifecycle status, datasheet revision and approved substitutes before ordering.

How to Verify SN54HC21J Before Ordering

Datasheet and parameter checks

  • Confirm the full manufacturer part number, not only a shortened search keyword.
  • Compare package, pinout, dimensions, voltage or rating fields, temperature range and compliance wording against the released BOM.
  • Use the manufacturer datasheet or drawing for electrical and mechanical limits before approving a substitute.

RFQ fields SENICO needs

  • Send exact part number, manufacturer, quantity, target delivery date, destination and required packaging.
  • State whether alternates are allowed, and list any date-code, certificate, traceability or customer AVL requirement.
  • Keep exact stock, factory lead time and proposed alternatives in separate quote lanes.

For SN54HC21J, SENICO recommends checking manufacturer marking, package, date code, requested quantity, approved vendor requirements and replacement risk before issuing a purchase order. If a supplier suggests an equivalent, record the changed fields and approval owner before comparing price.

We do not treat displayed data as a real-time stock or price commitment. The RFQ reply is the verified commercial reference.

Related buying guides: stock and lead-time verification, equivalent IC comparison, and BOM RFQ preparation.