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MC74AC174 Schematic ( PDF Datasheet ) - ON Semiconductor

Teilenummer MC74AC174
Beschreibung Hex D Flip-Flop
Hersteller ON Semiconductor
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Gesamt 9 Seiten
MC74AC174 Datasheet, Funktion
MC74AC174, MC74ACT174
Hex D Flip−Flop
with Master Reset
The MC74AC174/74ACT174 is a highspeed hex D flipflop. The
device is used primarily as a 6bit edgetriggered storage register. The
information on the D inputs is transferred to storage during the
LOWtoHIGH clock transition. The device has a Master Reset to
simultaneously clear all flipflops.
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: 16Lead Packages Conductors
(Top View)
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PIN ASSIGNMENT
PIN FUNCTION
D0D5
CP
Data Inputs
Clock Pulse Input
MR Master Reset Input
Q0Q5
Outputs
TRUTH TABLE
Inputs
Output
MR CP
D
Q
LXX
HH
HL
HLX
L
H
L
Q
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
= LOWtoHIGH Transition of Clock
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16
1
16
1
16
1
DIP16
N SUFFIX
CASE 648
SO16
D SUFFIX
CASE 751B
TSSOP16
DT SUFFIX
CASE 948F
16
1
EIAJ16
M SUFFIX
CASE 966
ORDERING INFORMATION
Device
Package
Shipping
MC74AC174N
PDIP16 25 Units/Rail
MC74ACT174N
PDIP16 25 Units/Rail
MC74AC174D
SOIC16 48 Units/Rail
MC74ACT174D
MC74AC174DR2
SOIC16 48 Units/Rail
SOIC16 2500 Tape & Reel
MC74ACT174DR2 SOIC16 2500 Tape & Reel
MC74AC174DT TSSOP16 96 Units/Rail
MC74ACT174DT TSSOP16 96 Units/Rail
MC74AC174DTR2 TSSOP16 2500 Tape & Reel
MC74AC174M
EIAJ16
50 Units/Rail
MC74ACT174M
EIAJ16
50 Units/Rail
MC74AC174MEL EIAJ16 2000 Tape & Reel
MC74ACT174MEL EIAJ16 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






MC74AC174 Datasheet, Funktion
MC74AC174, MC74ACT174
AC OPERATING REQUIREMENTS
Symbol
Parameter
ts
Setup Time, HIGH or LOW
Dn to CP
th
Hold Time, HIGH or LOW
Dn to CP
tw MR Pulse Width, LOW
tw
CP Pulse Width
HIGH or LOW
trec
Recovery Time
MR to CP
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
CAPACITANCE
Symbol
Parameter
CIN Input Capacitance
CPD Power Dissipation Capacitance
VCC*
(V)
74ACT
74ACT
TA = +25°C
CL = 50 pF
TA = 40°C
to +85°C
CL = 50 pF
Typ Guaranteed Minimum
5.0
1.5
1.5
5.0
2.0
2.0
5.0
3.0
3.5
5.0
3.0
3.5
5.0
0.5
0.5
Unit
ns
ns
ns
ns
ns
Fig.
No.
39
39
36
36
36
Value
Typ
4.5
85
Unit
pF
pF
Test Conditions
VCC = 5.0 V
VCC = 5.0 V
DIP16
MC74AC174N
AWLYYWW
MC74ACT174N
AWLYYWW
MARKING DIAGRAMS
SO16
TSSOP16
AC174
AWLYWW
AC
174
ALYW
ACT174
AWLYWW
ACT
174
ALYW
A = Assembly Location
WL, L = Wafer Lot
YY, Y = Year
WW, W = Work Week
EIAJ16
74AC174
ALYW
74ACT174
ALYW
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