Texas Instruments SN74LS377DW Flip Flops
Octal D-Type Flip-Flop, featuring 8 bits and positive edge clock triggering.

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
SN74LS377DW
Series
Base Model
Detailed Description
Octal D-Type Flip-Flop, featuring 8 bits and positive edge clock triggering. Operates at a maximum frequency of 40MHz with a propagation delay of 27ns and turn-on delay of 17ns. This surface mount component offers 8mA low-level output current and -400uA high-level output current, with a TTL output type. Designed for a 5V operating supply voltage (4.75V to 5.25V), it functions within a temperature range of 0°C to 70°C and is RoHS compliant.
Package
SOIC
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
SN74LS377DW Datasheet
Quick Jump:
Technical Specifications
Texas Instruments SN74LS377DW Flip Flops technical specifications.
General
Series
74LS
RoHS
Yes
Packaging
Rail/Tube
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 70°C
Supply Voltage
5V
Package
SOIC
Clock Edge Trigger Type
Positive Edge
Frequency
40MHz
High Level Output Current
-400uA
Alternate Parts Comparison (SN74LS377DW vs SN74LS151DR vs SN74LS153DR vs SN74LS155ADR)
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 | 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 | -- | 16-SOIC | 16-SOIC | 16-SOIC |
| Circuit | -- | 1 x 8:1 | 2 x 4:1 | 1 x 2:4 |
| Current Output High Low | -- | 400µA, 8mA | 400µA, 8mA | 400µA, 8mA |
| Independent Circuits | -- | 1 | 1 | 2 |
| Type | -- | Multiplexer | Multiplexer | Decoder/Demultiplexer |
| Voltage Supply Source | -- | Single Supply | Single Supply | Single Supply |
| Action |
Texas Instruments SN74LS377DW Flip Flops Overview
Octal D-Type Flip-Flop, featuring 8 bits and positive edge clock triggering. Operates at a maximum frequency of 40MHz with a propagation delay of 27ns and turn-on delay of 17ns. This surface mount component offers 8mA low-level output current and -400uA high-level output current, with a TTL output type.
Designed for a 5V operating supply voltage (4.75V to 5.25V), it functions within a temperature range of 0°C to 70°C and is RoHS compliant.
More Parts in Flip Flops
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
