Quad D Flip-Flop - ON Semiconductor
Description
MC74AC175, MC74ACT175
Quad D Flip−Flop With Master Reset
The MC74AC/ACT175 is a high−speed quad D flip−flop.
The device is useful for general flip−flop requirements where clock and clear inputs are common.
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, when MR is low.
The MC74AC/ACT175 consists of four edge−triggered D flip−flops with individual D inputs and Q 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 Q outputs LOW and Q outputs HIGH independent of Clock or Data inputs.
The MC74AC/ACT175 is useful for applications where the Clock and Master Reset are common to all storage elements.
• Outputs Source/Sink 24 mA • ′ACT175 Has TTL Compatible Inputs
VCC Q3 Q3 D3 D2 Q2 Q2 CP 16 15 14 13 12 11 10 9
12345678
MR Q0 Q0 D0 D1 Q1 Q1 GND Figure 1.
Pinout: 16−Lead Packages (Top View)
PIN ASSIGNMENT
PIN
FUNCTION
D0 − D3 CP
Data Inputs Clock Pulse Input
MR
Master Reset Input
Q0 − Q3 Q0 − Q3
Outputs Outputs
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16 1
16 1
16 1
16 1
DIP−16 N SUFFIX CASE 648
SO−16 D SUFFIX CASE 751B
TSSOP−16 DT SUFFIX CASE 948F
EIAJ−16 M SUFFIX CASE 966
ORDERING INFORMATION
Device
Package
Shipping
MC74AC175N
PDIP−16 25 Units/Rail
MC74ACT175N MC74AC175D
PDIP−16 SOIC−16
25 Units/Rail 48 Units/Rail
MC74ACT175D MC74AC175DR2
SOIC−16 48 Units/Rail SOIC−16 2500 Tape & Reel
MC74ACT175DR2 SOIC−16 2500 Tape & Reel MC74AC175DT TSSOP−16 96 Units/Rail
MC74ACT175DT TSSOP−16 96 Units/Rail
MC74AC175DTR2 TSSOP−16 2500 Tape & Reel
MC74ACT175DTR2 TSSOP−16 2500 Tape & Reel
MC74AC175M
EIAJ−16 50 Units/Rail
DEVICE MARKING INFORMATION
See general marking information in the device marking section on page 6 of this data sheet.
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