MC74AC574

MC74AC574, MC74ACT574 Octal D Flip−Flop with 3−State Outputs The MC74AC574/74ACT574 is a high−speed, low power octal flip−flop with a buffered common Clock (CP) and a buffered common Output Enable (OE). The information presented to the D inputs is stored in the flip−flops on the LOW−to−HIGH Clock (CP) transition. The MC74AC574/74ACT574 is functionally identical to the MC74AC374/74ACT374 except for the pinouts. Features Inputs and Outputs on Opposite Sides of Package Allowing Easy Interface with Microprocessors Useful as Input or Output Port for Microprocessors Functionally Identical to MC74AC374/74ACT374 3-State Outputs for Bus-Oriented Applications Outputs Source/Sink 24 mA ′ACT574 Has TTL Compatible Inputs Pb−Free Packages are Available VCC O0 O1 O2 O3 O4 O5 O6 O7 CP 20 19 18 17 16 15 14 13 12 11 http://onsemi.com 1 1 PDIP−20 N SUFFIX CASE 738 SOIC−20W DW SUFFIX CASE 751D TSSOP−20 DT SUFFIX CASE 948E 1 1 2 3 4 5 6 7 8 9 10 OE D0 D1 D2 D3 D4 D5 D6 D7 GND Figure 1. Pinout: 20−Lead Packages Conductors (Top View) PIN ASSIGNMENT PIN FUNCTION D0−D7 CP Data Inputs Clock Pulse Input OE 3−State Output Enable Input O0−O7 3−State Outputs SOEIAJ−20 M SUFFIX CASE 967 1 DEVICE MARKING INFORMATION See general marking information in the device marking section on page 6 of this data sheet. ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 7 of this data sheet. D0 D1 D2 D3 D4 D5 D6 D7 CP OE O0 O1 O2 O3 O...