Texas Instruments SN74HC109N Flip Flops
IC FF JK TYPE DUAL 1BIT 16DIP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
SN74HC109N
Series
Base Model
Detailed Description
Dual J-K positive-edge-triggered flip-flops with clear and preset functionality. Features 2 independent JK-type flip-flop elements, each with one bit. Operates with a supply voltage range of 2V to 6V, typically 5V, and supports a maximum frequency of 29MHz. Housed in a 16-PDIP through-hole package, this CMOS logic IC offers a propagation delay of 290ns and a turn-on delay time of 175ns. Suitable for operation across a wide temperature range from -40°C to 85°C.
Package
PDIP
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
SN74HC109N Datasheet
Quick Jump:
Technical Specifications
Texas Instruments SN74HC109N Flip Flops technical specifications.
General
Series
74HC
RoHS
Yes
Package / Case
16-DIP
Mounting Type
Through Hole
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
5V
Lifecycle Status
Active
Package
PDIP
Clock Edge Trigger Type
Positive Edge
Frequency
29MHz
Alternate Parts Comparison (SN74HC109N 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 (TA) | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 125°C |
| Number of Circuits | 2 | 1 | 1 | -- |
| Supply Voltage | 5V | -- | -- | 2V ~ 6V |
| Current Output High Low | 5.2mA, 5.2mA | -- | -- | 7.8mA, 7.8mA |
| Type | JK Type | -- | -- | Multiplexer |
| Series | 74HC | -- | -- | -- |
| Frequency | 29MHz | -- | -- | -- |
| RoHS | Yes | -- | -- | -- |
| Clock Edge Trigger Type | Positive Edge | -- | -- | -- |
| Function | Set(Preset) and Reset | -- | -- | -- |
| Action |
Texas Instruments SN74HC109N Flip Flops Overview
Dual J-K positive-edge-triggered flip-flops with clear and preset functionality. Features 2 independent JK-type flip-flop elements, each with one bit. Operates with a supply voltage range of 2V to 6V, typically 5V, and supports a maximum frequency of 29MHz. Housed in a 16-PDIP through-hole package, this CMOS logic IC offers a propagation delay of 290ns and a turn-on delay time of 175ns.
Suitable for operation across a wide temperature range from -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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