Texas Instruments SN74HC191N Counters and Dividers
4-bit synchronous up/down binary counter, CMOS technology, operating from 2V to 6V with a typical 5V supply.
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
SN74HC191N
Series
Base Model
Detailed Description
4-bit synchronous up/down binary counter, CMOS technology, operating from 2V to 6V with a typical 5V supply. Features positive edge clock triggering and bidirectional counting capability up to 19MHz. Housed in a 16-PDIP through-hole package with a propagation delay of 330ns. RoHS compliant and operates across a temperature range of -40°C to 85°C.
Package
PDIP
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
SN74HC191N Datasheet
Quick Jump:
Technical Specifications
Texas Instruments SN74HC191N Counters and Dividers technical specifications.
General
Series
74HC
RoHS
Yes
Package / Case
16-DIP
Mounting Type
Through Hole
Operating Temperature
-40°C ~ 85°C
Supply Voltage
5V
Package
PDIP
Clock Edge Trigger Type
Positive Edge
Direction
Bidirectional
Frequency
19MHz
Alternate Parts Comparison (SN74HC191N vs SN74HC4851DR vs SN74HC4851QDRG4Q1 vs SN74HC151QDRQ1)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 16-DIP | 16-SOIC | 16-SOIC | 16-SOIC |
| Mounting Type | Through Hole | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 125°C |
| Supply Voltage | 5V | -- | -- | 2V ~ 6V |
| Series | 74HC | -- | -- | -- |
| Frequency | 19MHz | -- | -- | -- |
| RoHS | Yes | -- | -- | -- |
| Clock Edge Trigger Type | Positive Edge | -- | -- | -- |
| Count Rate | 24 MHz | -- | -- | -- |
| Direction | Bidirectional | -- | -- | -- |
| Height | 4.57mm | -- | -- | -- |
| Lead Free | Lead Free | -- | -- | -- |
| Action |
Texas Instruments SN74HC191N Counters and Dividers Overview
4-bit synchronous up/down binary counter, CMOS technology, operating from 2V to 6V with a typical 5V supply. Features positive edge clock triggering and bidirectional counting capability up to 19MHz. Housed in a 16-PDIP through-hole package with a propagation delay of 330ns. RoHS compliant and operates across a temperature range of -40°C to 85°C.
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Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
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