Texas Instruments CD74HCT191E Counters and Dividers
BINARY COUNTER
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
CD74HCT191E
Series
Base Model
Detailed Description
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.
Package
PDIP
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
CD74HCT191E Datasheet
Quick Jump:
Technical Specifications
Texas Instruments CD74HCT191E Counters and Dividers technical specifications.
General
Series
74HCT
RoHS
Yes
Package / Case
16-DIP
Mounting Type
Through Hole
Operating Temperature
-55°C ~ 125°C
Supply Voltage
5V
Lifecycle Status
Obsolete
Package
PDIP
Clock Edge Trigger Type
Positive Edge
Contact Plating
Gold
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 | Surface Mount |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C (TA) | -55°C ~ 125°C (TA) | -55°C ~ 125°C |
| Supply Voltage | 5V | 4.5V ~ 5.5V | -- | 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.
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