SN74AS161D
- Mfr.Part #
- SN74AS161D
- Manufacturer
- Texas Instruments
- Package / Case
- 16-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC COUNTER BIN SYNC 4BIT 16-SOIC
- Stock
- 27,544
- In Stock :
- 27,544
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Texas Instruments
- Product Category :
- Counters, Dividers
- Package / Case :
- 16-SOIC (0.154, 3.90mm Width)
- Base Part Number :
- 74AS161
- Supply Voltage-Max (Vsup) :
- 5.5V
- Additional Feature :
- TCO OUTPUT
- Propagation Delay :
- 13 ns
- Supply Voltage :
- 5V
- Mounting Type :
- Surface Mount
- Clock Edge Trigger Type :
- POSITIVE EDGE
- Length :
- 9.9mm
- RoHS Status :
- ROHS3 Compliant
- Voltage - Supply :
- 4.5V~5.5V
- Width :
- 3.9mm
- Pbfree Code :
- yes
- Operating Temperature :
- 0°C~70°C
- Max I(ol) :
- 0.02 A
- Terminal Position :
- Dual
- Number of Bits :
- 4
- Turn On Delay Time :
- 16.5 ns
- Packaging :
- Tube
- Mount :
- Surface Mount
- Qualification Status :
- Not Qualified
- Count Rate :
- 40MHz
- Series :
- 74AS
- Direction :
- UP
- Load Capacitance :
- 50pF
- Peak Reflow Temperature (Cel) :
- NOT SPECIFIED
- Number of Terminations :
- 16
- Number of Functions :
- 1
- Terminal Form :
- Gull wing
- Family :
- AS
- Reset :
- ASYNCHRONOUS
- Logic Function :
- Counter
- Logic Type :
- BINARY COUNTER
- Number of Pins :
- 16
- Trigger Type :
- POSITIVE EDGE
- Frequency :
- 75MHz
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Power Supply Current-Max (ICC) :
- 53mA
- Timing :
- SYNCHRONOUS
- Number of Input Lines :
- 4
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Pin Count :
- 16
- Power Supplies :
- 5V
- Number of Elements :
- 1
- Datasheets
- SN74AS161D

Counters, Dividers Texas Instruments SN74AS161D Overview
The SN74AS161D, manufactured by Texas Instruments, is a high-performance integrated circuit (IC) designed for counter applications. With its advanced features and reliable performance, this 4-bit binary synchronous counter is ideal for various digital counting applications in industrial and commercial settings.
Featuring a compact 16-pin SOIC package, this IC offers easy integration into existing circuit designs, making it a versatile solution for manufacturers and engineers seeking reliable counting functionality.
SN74AS161D Features
- High-performance 4-bit binary synchronous counter
- Compact 16-pin SOIC package for easy integration
- Reliable operation for industrial and commercial applications
- Bin synchronous counting for accurate and synchronized output
- Wide operating voltage range for flexibility in power supply design
- Robust construction for durability in harsh environments
SN74AS161D Applications
- Industrial Automation: The SN74AS161D is commonly used in industrial automation systems for counting and monitoring processes. Its synchronous counting capability ensures accurate and synchronized output signals, making it suitable for controlling production lines and machinery.
- Digital Counting Systems: This IC is well-suited for various digital counting applications, including traffic monitoring systems, inventory management, and event counting. Its compact size and reliable performance make it an ideal choice for integrating into digital counting systems.
- Frequency Division: In electronic devices requiring frequency division functionality, such as clock circuits and frequency synthesizers, the SN74AS161D can be used to divide input frequencies down to the desired output frequency. Its bin synchronous counting feature ensures precise frequency division, making it essential in such applications.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















