Physio Control LIFEPAK 9 - Page 185

Component Reference Diagrams 6
TYPE IC NUMBER LOCATION REF. DES.
Counter
A
4040
Main
(A1)
U4
01 02 03 010 011 012
9 7 6 14 15 1
10
bC 0 pC 0 С ーー で や や C 0 pC 0 PC O
CLOCK
'
c ob—bc ob—bc —-»c 0 PC 0 c
R
R
R
R
Р
|
R
一
R
1
PIN CONFICURATION 十 > 十 > — 1
RESET Qu=Pin $ Q7=Pin à VCC=Pin 16
. 05Pin 3 Q8=Pin 13 CNO=Pin 8
06=Pin 2 09 デ Pin 12
FUNCTIONAL DIAGRAM
TLOCK RESET OUTPUT STATE
SN 0 No Change
AT
0
Advance
to
next
state
X 1 All Ouputs are low
X = Don't Care .
FUNCTION
TABLE
Figure
6-5
Counter
TYPE
IC
NuMBER
LOCATION
REF.
DES.
Counter
B
74HC161
Main
(A1)
U32
Ve
OB
Qc
Oo
RIPPLE
OUTPUTS
(14)
(12)
CARRY
wc
OUTPUT
CA
Se
αν
O
T
LOAD
16
15
14
13
12
1
10
9
RIPPLE CA O Ос Op ENABLE
CARRY T
OUTPUT
CLEAR LOAD
οκ
AN A B C D P
1
2
3
4
5
6
7
8
CLEAR
CLOCK
A
8
C
D
ENABLE
GND
DATA INPUTS
CONNECTION DIAGRAM
RIPPLE
CLK
[CLR
ENP
[ENT
|
Load
Function
CARRY
x{LIX{X{X
Clear
(19)
x
|
H|
H
|
L
|
H
|
Count
&
RC
disabled
XI
HÍLÍHÍH
Count
disabled
x
|
H
|
L
|
L
|
H
|
Count
a
AC
disabled
+ ィ | Hlx | xlL Load
个
H
H
H
H
Increment
counter
可
A
Ha high level L low level
X = dont cara = low to high transition
FUNCTION TABLE
Figure 6-6 Counter
FUNCTIONAL DIAGRAM
©
August
1993
Physio—Control
All
Rights
Reserved
6-5