SN54ALS561A
SN54ALS561A is SYNCHRONOUS 4-BIT COUNTERS manufactured by Texas Instruments.
- Carry Output for n-Bit Cascading
- Buffer-Type Outputs Drive Bus Lines
Directly
- Choice of Asynchronous or Synchronous
Clearing and Loading
- Internal Look-Ahead Circuitry for Fast
Cascading
- Package Options Include Plastic
Small-Outline (DW) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs description
SN54ALS561A, SN74ALS561A SYNCHRONOUS 4-BIT COUNTERS
WITH 3-STATE OUTPUTS
SDAS225A
- DECEMBER 1982
- REVISED JANUARY 1995
SN54ALS561A . . . J PACKAGE SN74ALS561A . . . DW OR N PACKAGE
(TOP VIEW)
ALOAD 1 CLK 2 A3 B4 C5 D6 ENP 7
ACLR 8 SCLR 9 GND 10
20 VCC 19 RCO
18 CCO
17 OE
16 QA 15 QB 14 QC 13 QD 12 ENT
11 SLOAD
These binary counters are...