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參數(shù)資料
| 型號(hào)： | MC74AC4040NG |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類(lèi)： | 通用總線功能 |
| 英文描述： | 12−Stage Binary Ripple Counter |
| 中文描述： | AC SERIES, ASYN NEGATIVE EDGE TRIGGERED 12-BIT UP BINARY COUNTER, PDIP16 |
| 封裝： | LEAD FREE, PLASTIC, DIP-16 |
| 文件頁(yè)數(shù)： | 1/6頁(yè) |
| 文件大?。?/td> | 92K |
| 代理商： | MC74AC4040NG |
Semiconductor Components Industries, LLC, 2006
November, 2006 Rev. 7
1
Publication Order Number:
MC74AC4040/D
MC74AC4040
12Stage 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
PbFree Packages are Available
15
16
14
13
12
11
10
2
1
3
4
5
6
7
V
CC
9
8
Q11
Q10
Q8
Q9
RESET CLK
Q1
Q12
Q6
Q5
Q7
Q4
Q3
Q2
GND
Figure 1. Pinout: 16Lead Packages Conductors
(Top View)
FUNCTION TABLE
Clock
Reset
Output State
L
No Change
L
Advance to next state
X
H
All Outputs are low
PDIP16
N SUFFIX
CASE 648
1
16
SOIC16
D SUFFIX
CASE 751B
1
16
See general marking information in the device marking
section on page 4 of this data sheet.
DEVICE MARKING INFORMATION
1
16
SOEIAJ16
M SUFFIX
CASE 966
Device
Package
Shipping
ORDERING INFORMATION
MC74AC4040N
MC74AC4040NG
PDIP16
PDIP16
(PbFree)
25 Units/Rail
25 Units/Rail
MC74AC4040D
SOIC16
(PbFree)
48 Units/Rail
MC74AC4040DR2
2500 Tape & Reel
SOIC16
MC74AC4040M
SOEIAJ16
50 Units/Rail
http://onsemi.com
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.
MC74AC4040DG
SOIC16
48 Units/Rail
MC74AC4040DR2G
SOIC16
(PbFree)
2500 Tape & Reel
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