HP 5334B Service Manual page 128

Table &I. General Qualifying Syr?tbols
HP 5334B - Service Manual
8-8
Example
SN7400
SN7402
SN7486
SN74180
SN74180
SN74ALS86
SN7404
SN74S436
SN74S18
SN74LS347
SN74150
SN74138
SN74LS385
SN74LS385
SN74182
SN74LS384
SN74LS682
SN74LS381
SN74LS422
SN74121
SN74LS320
SN74LS624
Symbol
&
r l
=
1
- -
2k
2k+
1
1
I>
or
4
-tr
WY
MUX
DMUX or DX
Z
P-Q
CPG
P
COMP
ALU
n
I
_C-L
G
AUl-
!G
JlJl
G!
AUl-
Description
AND gate or function.
OR gate or function. The symbol was chosen to indicate that at least
one active input is needed to activate the output.
Exlusive OR. One and only one input must be active to activate the out-
put.
Logic identity. All inputs must stand at same state.
An even number of inputs must be active.
An odd number of inputs must be active.
The one input must be active.
A buffer or element with more than usual output capability (symbol is
oriented in the direction of signal flow).
Schmitt trigger; element with hysteresis.
Coder, code converter (DECIBCD, BINIOUT, BINIT-SEG, etc.).
Multiplexerldata selector.
Demultiplexer.
Adder.
Subtracter.
Look-ahead carry generator.
Multiplier.
Magnitude comparator.
Arithmetic logic unit.
Retriggerable monostable.
Non-retriggerable monostable (one-shot).
Astable element. Showing waveform is optional.
Synchronously starting astable.
Astable element that stops with a completed pulse.