Philips PM2521 Service Manual page 112

122
ABSOLUTE
MAXIMUM
RATINGS
78L05ACS
PARAMETER RATING
UNIT
Input voltage
30
V
Internal
power
dissipation
Internally limited
Storage
temperature
range
Metal
can (TO-
39
type)
—65
to
+150
°C
Moulded TO-92
—55
to
+150 °C
Operating junction temperature range 0 to
+
1
50
°C
Lead temperatures
Metal
can
(soldering,
60s time
limit)
300
°C
Moulded TO-92
(soldering,
10s time
limit)
260
°C
8.2.
LOCMOS
CIRCUITS
(HEF)
HEF4011B
QUADRUPLE
2-INPUT
NAND GATE
fiz] fill r?2i
rrn
[T^ fTi
Tsi
3
Vqq
Ig I7
O4 O3
Ig
I5
^
HEF
4011
B
—
'2
°2
*3
'4
''SS
'LU
^
LU
^
LiJ
TiJ'lIJ
Pinning diagram
Functionai diagram
Logic diagram (one
gate)
HEF4023B TRIPLE
3-INPUT
NAND GATE
3
1
6 4
12
*—
&
. 0
l
5
'
3
r-
9
1
2
'5
&
. °2
8
>
6
j—
10
11
12
>
8
^
a
. °3
13
' 9 r-J
r
Functional diagram
[TZ1 F31
fTil
[T^ |T| |T|
VOD '9
>8
?
I3
I2
1
6
D
HEF
4023
B
'4
'5
1
,
I2 I3
0
,
vss
LLl LlJ LlJ lAJ
UJ
[6j LiJ
Pinning diagram
&
1
^
1
1
i
Logic diagram (one gate)