SN74HC191D
- Mfr.Part #
- SN74HC191D
- Manufacturer
- Texas Instruments
- Package / Case
- 16-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC 4-BIT UP/DN BIN CNTR 16-SOIC
- Stock
- 1,605
- In Stock :
- 1,605
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Texas Instruments
- Product Category :
- Counters, Dividers
- Series :
- 74HC
- Count Rate :
- 24MHz
- Pin Count :
- 16
- Peak Reflow Temperature (Cel) :
- 260
- Width :
- 3.91mm
- Lifecycle Status :
- ACTIVE (Last Updated: 4 days ago)
- Number of Elements :
- 1
- Number of Pins :
- 16
- Operating Supply Voltage :
- 5V
- Lead Free :
- Lead Free
- Radiation Hardening :
- No
- Max I(ol) :
- 0.0052 A
- Mount :
- Surface Mount
- Voltage - Supply :
- 2V~6V
- Load Capacitance :
- 50pF
- Propagation Delay :
- 330 ns
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- JESD-609 Code :
- e4
- Load/Preset Input :
- yes
- Base Part Number :
- 74HC191
- Logic Function :
- Counter
- Direction :
- Up, Down
- Clock Edge Trigger Type :
- POSITIVE EDGE
- Mounting Type :
- Surface Mount
- Power Supply Current-Max (ICC) :
- 0.08mA
- Terminal Form :
- Gull wing
- Packaging :
- Tube
- Supply Voltage-Min (Vsup) :
- 2V
- Thickness :
- 1.58mm
- Factory Lead Time :
- 6 Weeks
- Trigger Type :
- POSITIVE EDGE
- Frequency :
- 48MHz
- Family :
- HC/UH
- Number of Terminations :
- 16
- Operating Temperature :
- -40°C~85°C
- Length :
- 9.9mm
- Supply Voltage-Max (Vsup) :
- 6V
- Number of Bits per Element :
- 4
- Power Supplies :
- 2/6V
- Timing :
- SYNCHRONOUS
- ECCN Code :
- EAR99
- Number of Functions :
- 1
- Additional Feature :
- RCO OUTPUT
- Weight :
- 141.690917mg
- Supply Voltage :
- 5V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Height :
- 1.75mm
- Pbfree Code :
- yes
- REACH SVHC :
- No SVHC
- Package / Case :
- 16-SOIC (0.154, 3.90mm Width)
- Turn On Delay Time :
- 330 ns
- Terminal Position :
- Dual
- RoHS Status :
- ROHS3 Compliant
- Logic Type :
- BINARY COUNTER
- Datasheets
- SN74HC191D

Counters, Dividers Texas Instruments SN74HC191D Overview
Introducing the SN74HC191D from Texas Instruments, a high-performance 4-bit up/down binary counter that is essential for advanced digital systems requiring precise counting and frequency division. As part of the Counters, Dividers category, this IC delivers robust functionality and consistent performance. The SN74HC191D is designed to interface directly with the 5V systems, making it an ideal choice for integration into a wide range of industrial and commercial applications. Its precise counting capabilities allow for enhanced process control and system management, ensuring operations are both efficient and scalable.
SN74HC191D Features
The SN74HC191D boasts a slew of features that make it a versatile and indispensable component of any digital logic circuit. Key features include its capability to count both up and down, allowing for versatile number manipulation and control within a circuit. The IC operates from a standard 5V supply, providing compatibility with most digital systems. It also features a direct clear function, synchronous counting and a robust tolerance to ambient conditions, which underscores its utility in demanding applications.
SN74HC191D Applications
- Digital clocks: Employed in the logic for minute and hour counting mechanisms.
- Event counters: Utilized in various devices for tallying occurrences and operations.
- Frequency dividers: Essential in creating multiple frequency outputs for communication equipment.
- Data processing systems: Helps manage data flow and ensures accuracy in processing operations.
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.
















