Philips Semiconductors Programmable Logic Devices
Product specification
Programmable logic arrays
(18
脳
42
脳
10)
PLUS153B/D
DESCRIPTION
The PLUS153 PLDs are high speed,
combinatorial Programmable Logic Arrays.
The Philips Semiconductors state-of-the-art
Oxide Isolated Bipolar fabrication process is
employed to produce propagation delays as
short as 12ns.
The 20-pin PLUS153 devices have a
programmable AND array and a
programmable OR array. Unlike PAL
廬
devices, 100% product term sharing is
supported. Any of the 32 logic product terms
can be connected to any or all of the 10
output OR gates. Most PAL ICs are limited to
7 AND terms per OR function; the PLUS153
devices can support up to 32 input wide OR
functions.
The polarity of each output is
user-programmable as either active-High or
active-Low, thus allowing AND-OR or
AND-NOR logic implementation. This feature
adds an element of design flexibility,
particularly when implementing complex
decoding functions.
The PLUS153 devices are
user-programmable using one of several
commercially available, industry standard
PLD programmers.
FEATURES
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I/O propagation delays (worst case)
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PLUS153B 鈥?15ns max.
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PLUS153D 鈥?12ns max.
PIN CONFIGURATIONS
N Package
I0
I1
I2
I3
I4
I5
I6
I7
B0
1
2
3
4
5
6
7
8
9
20 V
CC
19 B9
18 B8
17 B7
16 B6
15 B5
14 B4
13 B3
12 B2
11 B1
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Functional superset of 16L8 and most
other 20-pin combinatorial PAL devices
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Two programmable arrays
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Supports 32 input wide OR functions
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8 inputs
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10 bi-directional I/O
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42 AND gates
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32 logic product terms
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10 direction control terms
GND 10
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Programmable output polarity
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Active-High or Active-Low
N = Plastic Dual In-Line Package (300mil-wide)
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Security fuse
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3-State outputs
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Power dissipation: 750mW (typ.)
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TTL Compatible
APPLICATIONS
I3
I4
I5
I6
I7
4
5
6
7
8
A Package
I2
3
I1
2
I0 V
CC
B9
1 20 19
18 B8
17 B7
16 B6
15 B5
14 B4
9
10
11
12
13
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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
t
PD
(MAX)
15ns
12ns
15ns
12ns
B0 GND B1 B2 B3
A = Plastic Leaded Chip Carrier
ORDERING INFORMATION
DESCRIPTION
20-Pin Plastic Dual-In-Line 300mil-wide
20-Pin Plastic Dual-In-Line 300mil-wide
20-Pin Plastic Leaded Chip Carrier
20-Pin Plastic Leaded Chip Carrier
ORDER CODE
PLUS153BN
PLUS153DN
PLUS153BA
PLUS153DA
DRAWING NUMBER
0408D
0408D
0400E
0400E
廬PAL
is a registered trademark of Monolithic Memories, Inc., a wholly owned subsidiary of Advanced Micro Devices Corporation.
October 22, 1993
9
853鈥?285 11164
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Programmable logic arrays 18 】 42 】 10
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PAL devices
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PAL devices
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PAL devices
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Programmable logic arrays 18 】 42 】 10
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