SN74ACT8997 Datasheet PDF

SN54ACT8997, SN74ACT8997 SCAN-PATH LINKERS WITH 4-BIT IDENTIFICATION BUSES SCAN-CONTROLLED IEEE STD 1149.1 (JTAG) TAP CONCATENATORS SCAS157D – APRIL 1990 – REVISED DECEMBER 1996 D Members of the Texas Instruments SCOPE ™ Family of Testability Products D Compatible With the IEEE Standard 1149.1-1990 (JTAG) Serial Test Bus D Allow Partitioning of System Scan Paths D Can Be Cascaded Horizontally or Vertically D Select Up to Four Secondary Scan Paths to Be Included in a Primary Scan Path D Include 8-Bit Programmable Binary Counter to Count or Initiate Interrupt Signals D Include 4-Bit Identification Bus for Scan-Path Identification D Inputs Are TTL Compatible D EPIC ™ (Enhanced-Performance Implanted CMOS) 1-µm Process D Package Options Include Plastic Small-Outline (DW) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (NT) and Ceramic (JT) 300-mil DIPs SN54ACT8997 . . . JT PACKAGE SN74ACT8997 . . . DW OR NT PACKAGE (TOP VIEW) DCO 1 MCO 2 DTDO1 3 DTDO2 4 DTDO3 5 DTDO4 6 GND 7 DTMS...