Datasheet4U Logo Datasheet4U.com

SN54ALS191A - Synchronous 4-Bit Up/Down Binary Counter

Description

SN54ALS191A .

.

.

📥 Download Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
SN54ALS191A, SN74ALS191A SYNCHRONOUS 4ĆBIT UP/DOWN BINARY COUNTERS SDAS210C − DECEMBER 1982 − REVISED JULY 1996 D Single Down / Up Count-Control Line D Look-Ahead Circuitry Enhances Speed of Cascaded Counters D Fully Synchronous in Count Modes D Asynchronously Presettable With Load Control D Package Options Include Plastic Small-Outline (D) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs description SN54ALS191A . . . J PACKAGE SN74ALS191A . . . D OR N PACKAGE (TOP VIEW) B1 QB 2 QA 3 CTEN 4 D/U 5 QC 6 QD 7 GND 8 16 VCC 15 A 14 CLK 13 RCO 12 MAX/MIN 11 LOAD 10 C 9D The ’ALS191A are synchronous 4-bit reversible up/down binary counters.