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74AC174 Datasheet PDF : 9 Pages
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MC74AC174, MC74ACT174
Hex D Flip−Flop
with Master Reset
The MC74AC174/74ACT174 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 during the
LOW−to−HIGH clock transition. The device has a Master Reset to
simultaneously clear all flip−flops.
• Outputs Source/Sink 24 mA
• ′ACT174 Has TTL Compatible Inputs
VCC Q5 D5 D4 Q4 D3 Q3 CP
16 15 14 13 12 11 10 9
12345678
MR Q0 D0 D1 Q1 D2 Q2 GND
Figure 1. Pinout: 16−Lead Packages Conductors
(Top View)
PIN ASSIGNMENT
PIN
FUNCTION
D0−D5
CP
Data Inputs
Clock Pulse Input
MR
Master Reset Input
Q0−Q5
Outputs
TRUTH TABLE
Inputs
Output
MR CP
D
Q
L
X
X
L
H
H
H
H
L
L
H
L
X
Q
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
= LOW−to−HIGH Transition of Clock
http://onsemi.com
16
1
16
1
16
1
DIP−16
N SUFFIX
CASE 648
SO−16
D SUFFIX
CASE 751B
TSSOP−16
DT SUFFIX
CASE 948F
16
1
EIAJ−16
M SUFFIX
CASE 966
ORDERING INFORMATION
Device
Package
Shipping
MC74AC174N
PDIP−16 25 Units/Rail
MC74ACT174N
PDIP−16 25 Units/Rail
MC74AC174D
SOIC−16 48 Units/Rail
MC74ACT174D
MC74AC174DR2
SOIC−16 48 Units/Rail
SOIC−16 2500 Tape & Reel
MC74ACT174DR2 SOIC−16 2500 Tape & Reel
MC74AC174DT TSSOP−16 96 Units/Rail
MC74ACT174DT TSSOP−16 96 Units/Rail
MC74AC174DTR2 TSSOP−16 2500 Tape & Reel
MC74AC174M
EIAJ−16 50 Units/Rail
MC74ACT174M
EIAJ−16 50 Units/Rail
MC74AC174MEL EIAJ−16 2000 Tape & Reel
MC74ACT174MEL EIAJ−16 2000 Tape & Reel
© Semiconductor Components Industries, LLC, 2006
June, 2006 − Rev. 7
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 6 of this data sheet.
1
Publication Order Number:
MC74AC174/D
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