SN74ALS990 Overview
Key Specifications
Package: PDIP
Mount Type: Through Hole
Pins: 20
Operating Voltage: 5 V
Description
This 8-bit latch is designed specifically for storing the contents of the input data bus and providing the capability of reading back the stored data onto the input data bus. DW OR N PACKAGE (TOP VIEW) OERB 1 1D 2 2D 3 3D 4 4D 5 5D 6 6D 7 7D 8 8D 9 GND 10 20 VCC 19 1Q 18 2Q 17 3Q 16 4Q 15 5Q 14 6Q 13 7Q 12 8Q 11 LE The eight latches are transparent D-type latches.
