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ALLCHIPS ELECTRONICS LIMITED

National Semiconductor 54LS74LMQB

54LS74LMQB


  • Manufacturer: National Semiconductor
  • Origchip NO: 54LS74LMQB
  • Package: 20-CLCC
  • Datasheet: pdfPDF
  • Stock: 1
  • Description: 54LS74LMQB(Kg)

Quantity:

Qty

Unit Price

Ext Price

  • 68

    $4.44

    $301.92

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In Stock

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Purchase & Inquiry

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Means of Payment

For your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and wire transfer.

RFQ (Request for Quotations)

It is recommended to request for quotations to get the latest prices and inventories about the part.
Our sales will reply to your request by email within 24 hours.

IMPORTANT NOTICE

1. You'll receive an order information email in your inbox. (Please remember to check the spam folder if you didn't hear from us).
2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

Shipping Cost

Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)
The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and country.

Shipping Method

Currently, our products are shipped through DHL, FedEx, SF, and UPS.

Delivery Time

Once the goods are shipped, estimated delivery time depends on the shipping methods you chose:

FedEx International, 5-7 business days.

The following are some common countries' logistic time.

SPECIFICATIONS

Parameters
Mfr National Semiconductor
Series 54LS
Package Bulk
Product Status Active
Function Set(Preset) and Reset
Type D-Type
Output Type Complementary
Number of Elements 2
Number of Bits per Element 1
Clock Frequency 20 MHz
Max Propagation Delay @ V, Max CL 35ns @ 5V, 50pF
Trigger Type Positive Edge
Current - Output High, Low 4mA
Voltage - Supply 4.5V ~ 5.5V
Current - Quiescent (Iq) 8 mA
Operating Temperature -55°C ~ 125°C (TA)
Mounting Type Surface Mount
Supplier Device Package 20-LCCC (8.89x8.89)
Package / Case 20-CLCC
Base Product Number 54LS74
RoHS Status Not applicable
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status Vendor Undefined
ECCN EAR99
HTSUS 8542.39.0001
Standard Package 1
Flip Flop 2 Element D-Type 1 Bit Positive Edge 20-CLCC

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