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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
12−Stage Binary Ripple
Counter
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
VCC Q11 Q10 Q8
16 15 14 13
Q9 RESET CLK Q1
12 11 10 9
12345678
Q12 Q6 Q5 Q7 Q4 Q3 Q2 GND
Figure 1. Pinout: 16−Lead Packages Conductors
(Top View)
FUNCTION TABLE
Clock Reset
L
L
X
H
Output State
No Change
Advance to next state
All Outputs are low
http://onsemi.com
16
1
16
1
16
1
PDIP−16
N SUFFIX
CASE 648
SOIC−16
D SUFFIX
CASE 751B
SOEIAJ−16
M SUFFIX
CASE 966
ORDERING INFORMATION
Device
Package
Shipping
MC74AC4040N
MC74AC4040NG
MC74AC4040D
PDIP−16
PDIP−16
(Pb−Free)
SOIC−16
25 Units/Rail
25 Units/Rail
48 Units/Rail
MC74AC4040DG
MC74AC4040DR2
SOIC−16 48 Units/Rail
(Pb−Free)
SOIC−16 2500 Tape & Reel
MC74AC4040DR2G SOIC−16 2500 Tape & Reel
(Pb−Free)
MC74AC4040M SOEIAJ−16 50 Units/Rail
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 4 of this data sheet.
© Semiconductor Components Industries, LLC, 2006
1
November, 2006 − Rev. 7
Publication Order Number:
MC74AC4040/D
Direct download click here
 

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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