Philips Semiconductors Programmable Logic Devices
Product specification
Programmable logic array
(22
脳
42
脳
10)
PLS173
DESCRIPTION
The PLS173 is a two-level logic element
consisting of 42 AND gates and 10 OR gates
with fusible link connections for programming
I/O polarity and direction.
All AND gates are linked to 12 inputs (I) and
10 bidirectional I/O lines (B). These yield
variable I/O gate configurations via 10
direction control gates (D), ranging from 22
inputs to 10 outputs.
On-chip T/C buffers couple either True (I, B)
or Complement (I, B) input polarities to all
AND gates, whose outputs can be optionally
linked to all OR gates. Their output polarity, in
turn, is individually programmable through a
set of EX-OR gates for implementing
AND/OR or AND/NOR logic functions.
The PLS173 is field programmable, enabling
the user to quickly generate custom patterns
using standard programming equipment.
Order codes for this device are listed below.
FEATURES
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I/O propagation delay: 30ns (max.)
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12 inputs
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42 AND gates
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10 OR gates
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10 bidirectional I/O lines
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Active-High or -Low outputs
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42 product terms:
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32 logic terms
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10 control terms
PIN CONFIGURATIONS
N Package
I0 1
I1 2
I2 3
I3 4
I4 5
I5 6
I6 7
I7 8
I8 9
I9 10
I10 11
GND 12
N = Plastic DIP (300mil-wide)
24 V
CC
23 B9
22 B8
21 B7
20 B6
19 B5
18 B4
17 B3
16 B2
15 B1
14 B0
13 I11
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Ni-Cr programmable links
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Input loading: 鈥?00碌A (max.)
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Power dissipation: 750mW (typ.)
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3-State outputs
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TTL compatible
APPLICATIONS
A Package
I3
4
I2
3
I1
2
I0 V
CC
B9 B8
1 28 27 26
25 NC
24 B7
23 B6
22 B5
21 B4
20 B3
19 NC
12
I9
13
14
15
16
17
18
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Random logic
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Code converters
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Fault detectors
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Function generators
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Address mapping
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Multiplexing
NC 5
I4 6
I5 7
I6 8
I7 9
I8 10
NC 11
I10 GND I11 B0 B1 B2
A = Plastic Leaded Chip Carrier
ORDERING INFORMATION
DESCRIPTION
24-Pin Plastic Dual-In-Line 300mil-wide
28-Pin Plastic Leaded Chip Carrier
ORDER CODE
PLS173N
PLS173A
DRAWING NUMBER
0410D
0401F
October 22, 1993
25
853鈥?324 11164
PLS173A相關型號PDF文件下載
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