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HP 5340A Service Manual

HP 5340A
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Model 5340A
Theory of Operation
Figure 4
-
7. Four
-
Bit Binary Counter 1820
-
0099
INPUT
A NC
ZA
ZD
GND
ZB
ZC
B
Roo,
NC
vcc
NC
NC
INPUT
1820-0099(SN7493N)
4
-
BIT BINARY COUNTER
(SEE NOTES
I
a21
r*m
NOTES
I.
OUTPUT A CONNECTED TO INPUT B
2.
TO RESET ALL OUTPUTS TO LOGICAL
0
BOTH
Ro(,,
AND
Roo,
INPUTS MUST
BE AT LOGICAL
I
3.
POSITIVE LOGIC:
SEE TRUTH TABLE
Figure
4
-
8.
Monostable Multivibrator 1820
-
0207
X
L
Vcc
=
Pin14
GND
=
Pin
7
4
-
7

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HP 5340A Specifications

General IconGeneral
BrandHP
Model5340A
CategoryCash Counter
LanguageEnglish

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