Texas Instruments CD74HCT191E Counters and Dividers
Presettable synchronous 4-bit binary up/down counter, featuring CMOS technology and a 30MHz frequency.
Same model may have multiple batches, images only for reference.
Technical Specifications
Texas Instruments CD74HCT191E Counters and Dividers technical specifications.
General
Alternate Parts Comparison (CD74HCT191E vs CD74HCT574M96 vs CD74HCT4053PWRG4 vs CD74HCT7046AM96)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Mounting Type | Through Hole | -- | Surface Mount | Surface Mount |
| Operating Temperature | -55°C ~ 125°C | -- | -55°C ~ 125°C (TA) | -55°C ~ 125°C |
| Supply Voltage | 5V | -- | -- | 4.5V ~ 5.5V |
| Series | 74HCT | -- | -- | -- |
| Frequency | 30MHz | -- | -- | -- |
| RoHS | Yes | -- | -- | -- |
| Clock Edge Trigger Type | Positive Edge | -- | -- | -- |
| Contact Plating | Gold | -- | -- | -- |
| Direction | Bidirectional | -- | -- | -- |
| Height | 4.57mm | -- | -- | -- |
| Lead Free | Lead Free | -- | -- | -- |
| Length | 19.3mm | -- | -- | -- |
| Action |
Texas Instruments CD74HCT191E Counters and Dividers Overview
Presettable synchronous 4-bit binary up/down counter, featuring CMOS technology and a 30MHz frequency. Operates with a 4.5V to 5.5V supply voltage, ideal for 5V systems. This bidirectional counter utilizes positive edge clock triggering and offers a propagation delay of 63ns. Packaged in a 16-PDIP with gold contact plating, it supports through-hole mounting and operates within a -55°C to 125°C temperature range.
RoHS compliant and lead-free.