Texas Instruments SN74LS90N Counters and Dividers
Four-bit decade counter IC, operating on a 5V supply with a range of 4.75V to 5.25V.
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
SN74LS90N
Series
Base Model
Detailed Description
Four-bit decade counter IC, operating on a 5V supply with a range of 4.75V to 5.25V. Features negative edge clock triggering and asynchronous reset for up, unidirectional counting. Achieves a maximum frequency of 42MHz with a propagation delay of 50ns. Packaged in a 14-pin PDIP for through-hole mounting, this RoHS compliant component operates from 0°C to 70°C.
Package
PDIP
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
SN74LS90N Datasheet
Quick Jump:
Technical Specifications
Texas Instruments SN74LS90N Counters and Dividers technical specifications.
General
Series
74LS
RoHS
Yes
Mounting Type
Through Hole
Operating Temperature
0°C ~ 70°C
Supply Voltage
5V
Package
PDIP
Clock Edge Trigger Type
Negative Edge
Direction
Up, Unidirectional
Frequency
42MHz
Height
4.57mm
Alternate Parts Comparison (SN74LS90N vs SN74LS132DR vs SN74LS14DRE4 vs SN74LS14DRG4)
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 | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Supply Voltage | 5V | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V |
| Package / Case | -- | 14-SOIC | 14-SOIC | 14-SOIC |
| Current Output High Low | -- | 400µA, 8mA | 400µA, 8mA | 400µA, 8mA |
| Features | -- | Schmitt Trigger | Schmitt Trigger | Schmitt Trigger |
| Logic Level High | -- | 1.9V | 1.9V | 1.9V |
| Logic Level Low | -- | 0.5V | 0.5V | 0.5V |
| Logic Type | -- | NAND Gate | Inverter | Inverter |
| Max Propagation Delay V Max Cl | -- | 22ns @ 5V, 15pF | 22ns @ 5V, 15pF | 22ns @ 5V, 15pF |
| Number of Circuits | -- | 4 | 6 | 6 |
| Number of Inputs | -- | 2 | 1 | 1 |
| Action |
Texas Instruments SN74LS90N Counters and Dividers Overview
Four-bit decade counter IC, operating on a 5V supply with a range of 4.75V to 5.25V. Features negative edge clock triggering and asynchronous reset for up, unidirectional counting. Achieves a maximum frequency of 42MHz with a propagation delay of 50ns. Packaged in a 14-pin PDIP for through-hole mounting, this RoHS compliant component operates from 0°C to 70°C.
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