Homedatasheet54ACT174DM

54ACT174DM Datasheet

Military/Aerospace->FACT AC
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Description

Features, Applications

The is a high-speed hex D flip-flop. The device is used primarily a 6-bit edge-triggered storage register. The information on the D inputs is transferred to storage during the LOW-to-HIGH clock transition. The device has a Master Reset to simultaneously clear all flip-flops. n 'ACT174 has TTL-compatible inputs n Standard Microcircuit Drawing (SMD) n 54AC174 now qualified to 300Krad RHA designation, refer to the SMD for more information

Features
Description Data Inputs Clock Pulse Input Master Reset Input Outputs

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 input's state is transferred to the corresponding flip-flop's output following the LOW-to-HIGH Clock (CP) transition. A LOW input to the Master Reset (MR) will force all outputs LOW independent of Clock or Data inputs. The 'AC/'ACT174 is useful for applications where the true output only is required and the Clock and Master Reset are common to all storage elements.

H = HIGH Voltage Level L = LOW Voltage Level N = LOW-to-HIGH Transition X = Immaterial

Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.

If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage (VCC) DC Input Diode Current (IIK) VI = VCC 0.5V DC Input Voltage (VI) DC Output Diode Current (IOK) VO = VCC 0.5V DC Output Voltage (VO) DC Output Source or Sink Current (IO) DC VCC or Ground Current per Output Pin (ICC or IGND) Storage Temperature (TSTG) Junction Temperature (TJ) CDIP -0.5V to VCC -0.5V to VCC to +7.0V

Supply Voltage (VCC) 'AC 'ACT Input Voltage (VI) Output Voltage (VO) Operating Temperature (TA) 54AC/ACT Minimum Input Edge Rate (V/t) 'AC Devices VIN from 70% of VCC 4.5V, 5.5V Minimum Input Edge Rate (V/t) 'ACT Devices VIN from to 2.0V VCC 5.5V 125 mV/ns 125 mV/ns 0V to VCC 0V to VCC

Note 1: Absolute maximum ratings are those values beyond which damage to the device may occur. The databook specifications should be met, without exception, to ensure that the system design is reliable over its power supply, temperature, and output/input loading variables. National does not recommend operation of FACTTM circuits outside databook specifications.

54AC Symbol Parameter VCC (V) VIH Minimum High Level Input Voltage VIL Maximum Low Level Input Voltage VOH Minimum High Level Output Voltage to +125�C Guaranteed Limits (Note 2) VIN = VIL or VIH 4.5 5.5 VOL Maximum Low Level Output Voltage (Note 2) VIN = VIL or VIH 4.5 5.5 IIN Maximum Input Leakage Current V �A IOL 12 mA IOL 24 mA IOL VI = VCC, GND V IOH -12 mA IOH -24 mA IOH -24 mA IOUT �A V IOUT �A V VOUT 0.1V or VCC 0.1V V VOUT 0.1V or VCC - 0.1V Units Conditions


Features

Parameters

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