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SN74ALS521N The Texas Instruments SN74ALS521N is an 8-bit identity comparator. It features an active low output and operates within a voltage range of 4.5V to 5.5V.
Mfr Part #:

SN74ALS521N

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments SN74ALS521N is an 8-bit identity comparator. It features an active low output and operates within a voltage range of 4.5V to 5.5V.
✓ Total Stock: 3,257 pcs
$ Price Range: $0.50

SN74ALS521N Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
3,200 pcs
On Request
3200 pcs On Request 1 On Request On Request On Request On Request On Request
Partservice ✓
Non-Authorised Inventory information
57 pcs
On Request
57 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

SN74ALS521N Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Max Propagation Delay @ V, Max CL
Mounting Type
Number of Bits
Operating Temperature
Operating Voltage
Output
Output Current
Output Function
SVHC Present
Supplier Device Package
Tape & Reel
Type
Voltage
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SN74ALS521N Description

Short technical summary and product information.

The Texas Instruments SN74ALS521N is an 8-bit identity comparator IC from the 74ALS series. This device is designed for digital logic applications requiring comparison of two 8-bit data words.

 

Key electrical specifications include an operating voltage range of 4.5V to 5.5V, with output currents of 2.6mA for high and 24mA for low states. The maximum propagation delay is rated at 20ns at 5V with a 50pF load capacitance. The comparator features an active low output and its function is to determine if the two inputs are equal (A=B).

 

This component operates within a temperature range of 0°C to 70°C. It is housed in a 20-DIP package with through-hole mounting. The 74ALS series offers a balance of speed and power consumption, making it suitable for various digital systems.

 

Environmental compliance includes RoHS3 compliance, MSL 1 Unlimited moisture sensitivity, and REACH unaffected status. These attributes are based on available data and should be verified for critical applications.

SN74ALS521N Quick Information

Product Type: Comparator
Series: 74ALS
Canonical Name: Texas Instruments SN74ALS521N 8-Bit Identity Comparator
Subcategory: Identity Comparator

SN74ALS521N Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SN74ALS521N Estimated Pricing

Qty Low High
1+ $0.50 $0.50

Estimated market price range - modelled values for guidance only, not live distributor offers.

SN74ALS521N Features

  • 8-bit identity comparator IC
  • Active low output for A=B comparison
  • Operates from 4.5V to 5.5V supply
  • 20ns maximum propagation delay
  • Through-hole mounted 20-DIP package

SN74ALS521N Applications

  • Digital data comparison circuits
  • Logic control systems
  • Embedded system design
  • Industrial automation

SN74ALS521N FAQs

5 frequently asked questions generated from this part’s specifications.
What is the supply voltage range for the SN74ALS521N?

The SN74ALS521N operates from 4.5V to 5.5V.

What is the propagation delay of the SN74ALS521N?

The maximum propagation delay is 20ns at 5V and 50pF load.

What package does the SN74ALS521N come in?

The SN74ALS521N is available in a 20-pin DIP package (20-DIP, 0.300", 7.62mm) with through-hole mounting.

What is the operating temperature range of the SN74ALS521N?

The operating temperature range is 0°C to 70°C.

What is the output function of the SN74ALS521N?

The output function is A=B with active-low output.

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