Texas Instruments SN74ALS990DW Latches
8-bit, 3-state, transparent D-type latch IC featuring non-inverting logic.

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
SN74ALS990DW
Series
Base Model
Detailed Description
8-bit, 3-state, transparent D-type latch IC featuring non-inverting logic. This surface mount device operates with a 5V supply voltage (4.5V to 5.5V range) and supports frequencies up to 1MHz. It offers a propagation delay of 26ns and a turn-on delay time of 6ns, with a low-level output current of 24mA. The component is RoHS compliant and packaged in a 20-pin SOIC for tube distribution.
Package
SOIC
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
SN74ALS990DW Datasheet
Quick Jump:
Technical Specifications
Texas Instruments SN74ALS990DW Latches technical specifications.
General
Series
74ALS
RoHS
Yes
Package / Case
20-SOIC
Packaging
Rail/Tube
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 70°C
Supply Voltage
5V
Package
SOIC
Frequency
1MHz
High Level Output Current
-2.6mA
Alternate Parts Comparison (SN74ALS990DW vs SN74ALS161BDR vs SN74ALS163BDR vs SN74ALS03BDR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 20-SOIC | 16-SOIC | 16-SOIC | 14-SOIC |
| 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 | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V | 4.5V ~ 5.5V |
| Logic Type | D-Type Transparent Latch | Binary Counter | Binary Counter | NAND Gate |
| Number of Elements | 1 | 1 | 1 | -- |
| Action |
Texas Instruments SN74ALS990DW Latches Overview
8-bit, 3-state, transparent D-type latch IC featuring non-inverting logic. This surface mount device operates with a 5V supply voltage (4.5V to 5.5V range) and supports frequencies up to 1MHz. It offers a propagation delay of 26ns and a turn-on delay time of 6ns, with a low-level output current of 24mA.
The component is RoHS compliant and packaged in a 20-pin SOIC for tube distribution.
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