Texas Instruments SN74HC161DRG4 Counters and Dividers
4-bit synchronous binary counter, CMOS technology, operating from 2V to 6V with a typical 5V supply.

Same model may have multiple batches, images only for reference.
Technical Specifications
Texas Instruments SN74HC161DRG4 Counters and Dividers technical specifications.
General
Alternate Parts Comparison (SN74HC161DRG4 vs SN74HC4851DR vs SN74HC4851QDRG4Q1 vs SN74HC14DRG3)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 85°C |
| Supply Voltage | 5V | -- | -- | 2V ~ 6V |
| Series | 74HC | -- | -- | -- |
| Frequency | 44MHz | -- | -- | -- |
| RoHS | Yes | -- | -- | -- |
| Clock Edge Trigger Type | Positive Edge | -- | -- | -- |
| Direction | Up, Unidirectional | -- | -- | -- |
| Height | 1.58mm | -- | -- | -- |
| Lead Free | Lead Free | -- | -- | -- |
| Length | 9.9mm | -- | -- | -- |
| Logic Function | Counter | -- | -- | -- |
| Action |
Texas Instruments SN74HC161DRG4 Counters and Dividers Overview
4-bit synchronous binary counter, CMOS technology, operating from 2V to 6V with a typical 5V supply. Features positive edge clock triggering, asynchronous reset, and unidirectional up-counting. Offers a maximum operating frequency of 44MHz and a propagation delay of 275ns. Packaged in a 16-SOIC surface-mount case, measuring 9.9mm x 3.91mm x 1.58mm, suitable for operation between -40°C and 85°C.
RoHS compliant and lead-free.
