Texas Instruments SN74HCT574DW Flip Flops
IC FF D-TYPE SNGL 8BIT 20SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
SN74HCT574DW
Series
Base Model
Detailed Description
8-bit D-type bus interface flip-flop, positive edge-triggered, 3-state output. Features a 40MHz maximum operating frequency and 45ns propagation delay. Operates from a 4.5V to 5.5V supply voltage with a typical 5V operating voltage. Surface mountable in a 20-pin SOIC package, this CMOS logic IC offers 6mA output current and is RoHS compliant.
Package
SOIC
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
SN74HCT574DW Datasheet
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Technical Specifications
Texas Instruments SN74HCT574DW Flip Flops technical specifications.
General
Series
74HCT
RoHS
Yes
Number of Channels
8
Package / Case
20-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
5V
Lifecycle Status
Active
Package
SOIC
Clock Edge Trigger Type
Positive Edge
Related Parts Comparison (SN74HCT574DW vs SN74HCT00PWR vs SN74HCT08ANSR vs SN74HCT157DR)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 20-SOIC | TSSOP | SOP | 16-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Supply Voltage | 5V | 5 V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Lifecycle Status | Active | Active | Obsolete | Active |
| Current Output High Low | 6mA, 6mA | 4mA, 4mA | 4mA, 4mA | 6mA, 6mA |
| Series | 74HCT | 74HCT | 74HCT | -- |
| RoHS | Yes | Yes | Compliant | -- |
| Logic Function | D-Type, Flip-Flop | NAND GATE | AND GATE | -- |
| Logic Type | D-Type Flip-Flop | NAND Gate | AND Gate | -- |
| Max Propagation Delay V Max Cl | 47ns @ 5.5V, 150pF | 18ns @ 5.5V, 50pF | 18ns @ 5.5V, 50pF | -- |
| Number of Circuits | 8 | 4 | 4 | -- |
| Action |
Texas Instruments SN74HCT574DW Flip Flops Overview
8-bit D-type bus interface flip-flop, positive edge-triggered, 3-state output. Features a 40MHz maximum operating frequency and 45ns propagation delay. Operates from a 4.5V to 5.5V supply voltage with a typical 5V operating voltage. Surface mountable in a 20-pin SOIC package, this CMOS logic IC offers 6mA output current and is RoHS compliant.
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
MC74HCT574ADWR2GonsemiDirectonsemi
Pin YesPkg YesElec Yes
Octal 3-State D Flip-Flop, 5V, SOIC, 30MHz
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.