Texas Instruments SN74HC191N Counters and Dividers
IC 4-BIT UP/DN BIN CNTR 16-DIP
Same model may have multiple batches, images only for reference.
Technical Specifications
Texas Instruments SN74HC191N Counters and Dividers technical specifications.
General
Related Parts Comparison (SN74HC191N vs SN74HC4851DR vs SN74HC4851QDRG4Q1 vs SN74HC151QDRQ1)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| 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 |
| Lifecycle Status | Active | Active | Active | Active |
| 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 | -- | -- | -- |
| 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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