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MC74AC4040_06 View Datasheet(PDF) - ON Semiconductor

Part NameMC74AC4040_06 ON-Semiconductor
ON Semiconductor ON-Semiconductor
Description12−Stage Binary Ripple Counter
MC74AC4040_06 Datasheet PDF : 6 Pages
1 2 3 4 5 6
MC74AC4040
10
CLOCK
11
RESET
PIN 16 = VCC
PIN 8 = GND
9
Q1
7
Q2
6
Q3
5
Q4
3
Q5
2
Q6
4
Q7
13
Q8
12
Q9
14
Q10
15
Q11
1
Q12
Figure 2. Logic Diagram
MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC
VIN
VOUT
IIN
IOUT
ICC
PD
DC Supply Voltage (Referenced to GND)
DC Input Voltage (Referenced to GND)
DC Output Voltage (Referenced to GND)
DC Input Current, per Pin
DC Output Current, per Pin
DC VCC or GND Current per Output Pin
Power Dissipation in Still Air
Plastic{
SOIC Package{
−0.5 to +7.0
V
−0.5 to VCC +0.5
V
−0.5 to VCC +0.5
V
±20
mA
±50
mA
±50
mA
mW
750
500
Tstg
Storage Temperature
TL
Lead Temperature, 1 mm from Case for 10 seconds
(Plastic DIP or SOIC Package)
−65 to +150
°C
260
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
†Derating: Plastic DIP: − 10mW/°C from 65°C to 125°C SOIC Package: −7.0 mW/°C from 65°C to 125°C
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
VCC
VIN/VOUT
TA
DC Supply Voltage (Referenced to GND)
Input Voltage, Output Voltage (Referenced to GND)
Operating Temperature, All Package Types
tr/tf
Input Rise/Fall Time
VCC = 3.0 V
(Figure 1)
VCC = 4.5 V
VCC = 5.5 V
Min
Max
Unit
2.0
6.0
V
0
VCC
−40
+85
°C
0
150
ns/V
0
40
0
25
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The MC74AC4040 consists of 12 master-slave flip-flops. The output of each flip-flop feeds the next and the frequency at each output is half that of the preceding one. The state of the counter advances on the negative-going edge of the Clock input. Reset is asynchronous and active-high.
State changes of the Q outputs do not occur simultaneously because of internal ripple delays. Therefore, decoded output signals are subject to decoding spikes and may have to be gated with the Clock of the MC74AC4040 for some designs.

Features
• 140 MHz Typ. Clock
• Outputs Source/Sink 24 mA
• Operating Voltage Range: 2.0 to 6.0 V
• High Noise Immunity
• Pb−Free Packages are Available

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