Name: 74AC191SC
Brand: Fairchild/ON Semiconductor
SKU: 74AC191SC
Availability: InStock
Rating: 5 (104 reviews)

74AC191SC

For Reference Only

Part Number	74AC191SC
Manufacturer	Fairchild/ON Semiconductor
Description	IC COUNTER UP/DOWN 4-BIT 16-SOIC
Datasheet	74AC191SC Datasheet 74AC191SC Specifications
Package	16-SOIC (0.154", 3.90mm Width)
ECAD
In Stock	10,668 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 22 - Apr 27 (Choose Expedited Shipping)
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Payment Methods
Delivery Services

Part Number # 74AC191SC (Logic - Counters, Dividers) is manufactured by Fairchild/ON Semiconductor and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For 74AC191SC specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add 74AC191SC with quantity into BOM. Heisener.com does NOT require any registration to request a quote of 74AC191SC.

74AC191SC Specifications

Manufacturer	Fairchild/ON Semiconductor
Category	Integrated Circuits (ICs) - Logic - Counters, Dividers
Package	16-SOIC (0.154", 3.90mm Width)
ECAD
Series	74AC
Logic Type	Binary Counter
Direction	Up, Down
Number of Elements	1
Number of Bits per Element	4
Reset	-
Timing	Synchronous
Count Rate	133MHz
Trigger Type	Positive Edge
Voltage - Supply	2 V ~ 6 V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	16-SOIC (0.154", 3.90mm Width)
Supplier Device Package	16-SOIC

74AC191SC Datasheet

74AC191SC Reviews

Jazi*****orton

April 4, 2023

★ ★ ★ ★ ★

Every time I order, I always get faster than promised. For a small-time operator like me, you guys are the best!

Eas***** Mann

April 1, 2023

★ ★ ★ ★ ★

Every little component you can always find in here, and good suggestion for relative times too.

Gret*****donald

March 27, 2023

★ ★ ★ ★ ★

The fastest shipping I've seen yet

Lilli*****rsons

March 18, 2023

★ ★ ★ ★ ★

Great seller, item shipped quickly and in great packaging. I will come next time .

Eddi*****nnings

March 11, 2023

★ ★ ★ ★ ★

Great website. Well organized and easy to search products.

Aiy***** Holt

March 2, 2023

★ ★ ★ ★ ★

I wanted something that would handle voltage spikes. Worked perfectly. I plan to use four more.

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74AC191SC Packaging

74AC191SC FAQ

1. How to order 74AC191SC on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that 74AC191SC is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the 74AC191SC. All suppliers must pass our qualification reviews before they can publish their products including 74AC191SC on Heisener; we pay more attention to the channels and quality of 74AC191SC products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the 74AC191SC price and inventory displayed accurate?

The price and inventory of 74AC191SC fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of 74AC191SC?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the 74AC191SC we delivered, we will accept the replacement or return of the 74AC191SC only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of 74AC191SC.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as 74AC191SC pin diagram, 74AC191SC datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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74AC191SC Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number

Manufacturer

Description

Stock

74AC191SC

National Semiconductor Corporation

917

Part Number

Manufacturer

Description

Stock

74AC191SCX

Fairchild Semiconductor Corporation

IC COUNTER UP/DOWN 16-SOIC

74AC191SC

Texas Instruments

967

Part Number

Manufacturer

Description

Stock

74AC191SC

D# 74AC191SC-ND

ON Semiconductor

IC COUNTER UP/DOWN 4-BIT 16-SOIC

74AC191SCX

D# 74AC191SCXTR-ND

ON Semiconductor

IC COUNTER UP/DOWN 16-SOIC

Part Number	Manufacturer	Description	Stock
74AC191SC	National Semiconductor Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	1055
D74AC191SC	FAIR CHILD 00+	OEM/CM QUOTES ONLY \| NO BROKERS	720
74AC191SCX	National Semiconductor Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	2637

Part Number

Manufacturer

Description

Stock

74AC191SC

D# NS-74AC191SC

Fairchild Semiconductor Corporation

OEM/CM ONLY

3766

74AC191SCX

D# NS-74AC191SCX

Fairchild Semiconductor Corporation

OEM/CM ONLY

2617

Part Number

Manufacturer

Description

Stock

74AC191SC

National Semiconductor Corporation

AC SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDSO16

Part Number	Manufacturer	Description	Stock
74AC191SCX	Fairchild Semiconductor Corporation	OEM/CM ONLY	3307
D74AC191SC	FAIR CHILD 00+	OEM/CM ONLY	642
74AC191SC	Fairchild Semiconductor Corporation	OEM/CM ONLY	3024

Part Number

Manufacturer

Description

Stock

74AC191SCX

Fairchild Semiconductor Corporation

shipping today

7509

Part Number	Manufacturer	Description	Stock
74AC191SCX	Fairchild Semiconductor Corporation	RFQ	14611
74AC191SCXTR	Fairchild Semiconductor Corporation	RFQ	3372
74AC191SCXCT	Fairchild Semiconductor Corporation	RFQ	11896

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74AC191SC

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