54act174 National Semiconductor Corporation, 54act174 Datasheet
54act174
Available stocks
Related parts for 54act174
54act174 Summary of contents
Page 1
... Hex D Flip-Flop with Master Reset General Description The ’AC/’ACT174 is a high-speed hex D flip-flop. The device is used primarily as a 6-bit edge-triggered storage register. The information on the D inputs is transferred to storage dur- ing the LOW-to-HIGH clock transition. The device has a Master Reset to simultaneously clear all flip-flops ...
Page 2
Connection Diagrams Pin Assignment for DIP and Flatpak DS100277-3 Functional Description The ’AC/’ACT174 consists of six edge-triggered D flip-flops with individual D inputs and Q outputs. The Clock (CP) and Master Reset (MR) are common to all flip-flops. Each D ...
Page 3
Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage ( Input Diode Current ( −0. ...
Page 4
DC Characteristics for ’AC Family Devices Symbol Parameter I Maximum Quiescent CC Supply Current Note 2: All outputs loaded; thresholds on input associated with output under test. Note 3: Maximum test duration 2.0 ms, one output loaded at a time. ...
Page 5
AC Electrical Characteristics Symbol Parameter f Maximum Clock max Frequency t Propagation Delay PLH Propagation Delay PHL Propagation Delay PHL ± Note 8: Voltage Range 3.3 ...
Page 6
AC Operating Requirements Symbol Parameter t Setup Time, HIGH or LOW Hold Time, HIGH or LOW Pulse Width, LOW Pulse Width, HIGH OR w ...
Page 7
Physical Dimensions inches (millimeters) unless otherwise noted 20-Terminal Ceramic Leadless Chip Carrier (L) 16-Lead Ceramic Dual-In-Line Package (D) NS Package Number E20A NS Package Number J16A 7 www.national.com ...
Page 8
Physical Dimensions inches (millimeters) unless otherwise noted (Continued) LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DE- VICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMI- CONDUCTOR ...