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PAL16L8AM, PAL16L8A-2M, PAL16R4AM, PAL16R4A-2M
PAL16R6AM, PAL16R6A-2M, PAL16R8AM, PAL16R8A-2M
STANDARD HIGH-SPEED PAL
CIRCUITS
SRPS016 D2705, FEBRUARY 1984 REVISED MARCH 1992
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Copyright
1992, Texas Instruments Incorporated
1
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Choice of Operating Speeds
High-Speed, A Devices . . . 25 MHz Min
Half-Power, A-2 Devices . . . 16 MHz Min
Choice of Input/Output Configuration
Package Options Include Both Ceramic DIP
and Chip Carrier in Addition to Ceramic
Flat Package
DEVICE
I
INPUTS
3-STATE
O OUTPUTS
REGISTERED
Q OUTPUTS
I/O
PORT
S
PAL16L8
10
2
0
6
PAL16R4
8
0
4 (3-state buffers)
4
PAL16R6
8
0
6 (3-state buffers)
2
PAL16R8
8
0
8 (3-state buffers)
0
description
These programmable array logic devices feature
high speed and a choice of either standard or
half-power devices. They combine Advanced
Low-Power Schottky technology with proven
titanium-tungsten fuses. These devices will
provide reliable, high-performance substitutes for
conventional TTL logic. Their easy
programmability allow for quick design of "custom"
functions and typically results in a more compact
circuit board. In addition, chip carriers are
available for further reduction in board space.
The Half-Power versions offer a choice of
operating frequency, switching speeds, and
power dissipation. In many cases, these
Half-Power devices can result in significant power
reduction from an overall system level.
The PAL16' M series is characterized for
operation over the full military temperature range
of 55
C to 125
C.
PAL is a registered trademark of Advanced Micro Devices Inc.
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
I
I
I
I
I
I
I
I
I
GND
VCC
O
I/O
I/O
I/O
I/O
I/O
I/O
O
I
PAL16L8'
J OR W PACKAGE
(TOP VIEW)
3
2
1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
I/O
I/O
I/O
I/O
I/O
I
I
I
I
I
PAL16L8'
FK PACKAGE
(TOP VIEW)
I
I
I
O
I/O
O
I
GND
I
V
CC
PAL16R4AM, PAL16R4A-2M, PAL16R6AM, PAL16R6A-2M, PAL16R8AM, PAL16R8A-2M
STANDARD HIGH-SPEED PAL
CIRCUITS
SRPS016 D2705, FEBRUARY 1984 REVISED MARCH 1992
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
2
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
CLK
I
I
I
I
I
I
I
I
GND
VCC
I/O
I/O
Q
Q
Q
Q
I/O
I/O
OE
(TOP VIEW)
PAL16R4'
J OR W PACKAGE
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
CLK
I
I
I
I
I
I
I
I
GND
VCC
I/O
Q
Q
Q
Q
Q
Q
I/O
OE
(TOP VIEW)
PAL16R6'
J OR W PACKAGE
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
CLK
I
I
I
I
I
I
I
I
GND
VCC
Q
Q
Q
Q
Q
Q
Q
Q
OE
(TOP VIEW)
PAL16R8'
J OR W PACKAGE
I
I
CLK
I/O
I/O
I/O
I
GND
V
CC
OE
3
2
1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
I/O
Q
Q
Q
Q
I
I
I
I
I
(TOP VIEW)
PAL16R4'
FK PACKAGE
I
I
CLK
I/O
Q
I/O
I
GND
V
CC
3
2
1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
Q
Q
Q
Q
Q
I
I
I
I
I
(TOP VIEW)
OE
PAL16R6'
FK PACKAGE
I
I
CLK
Q
Q
Q
I
GND
V
CC
OE
3
2
1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
Q
Q
Q
Q
Q
I
I
I
I
I
(TOP VIEW)
PAL16R8'
FK PACKAGE
PAL16L8AM, PAL16L8A-2M, PAL16R4AM, PAL16R4A-2M
STANDARD HIGH-SPEED PAL
CIRCUITS
SRPS016 D2705, FEBRUARY 1984 REVISED MARCH 1992
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
3
functional block diagrams (positive logic)
denotes fused inputs
PAL16L8AM
PAL16L8A-2M
PAL16R4AM
PAL16R4A-2M
O
O
I/O
I/O
I/O
I/O
I/O
I/O
I
EN
1
&
32 X 64
10
16
16
6
7
7
7
7
7
7
7
7
6
16 x
Q
I/O
I/O
I/O
I/O
I
EN
8
16
16
4
7
7
7
8
8
8
7
4
16 x
1
&
32 X 64
1
8
Q
Q
Q
4
1D
I = 0 2
CLK
C1
EN 2
OE
4
PAL16R6AM, PAL16R6A-2M, PAL16R8AM, PAL16R8A-2M
STANDARD HIGH-SPEED PAL
CIRCUITS
SRPS016 D2705, FEBRUARY 1984 REVISED MARCH 1992
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
4
functional block diagrams (positive logic)
denotes fused inputs
PAL16R6AM
PAL16R6A-2M
PAL16R8AM
PAL16R8A-2M
Q
I/O
I/O
I
EN
8
16
16
2
7
8
8
8
7
2
16 x
1
&
32 X 64
1
8
Q
Q
Q
6
1D
I = 0 2
CLK
C1
EN 2
OE
6
8
Q
8
Q
Q
I
8
16
16
8
8
8
8
8
16 x
8
Q
Q
Q
1D
I = 0 2
CLK
C1
EN 2
8
Q
8
Q
&
32 X 64
1
OE
8
Q
8
Q
0
4
8
12
16
20
24
28
31
I
2
I
3
I
4
I
5
I
6
I
7
I
8
I
9
O
19
I/O
18
I/O
17
I/O
16
I/O
15
I/O
14
I/O
13
O
12
I
11
Increment
I
1
Fuse number = First fuse number + Increment
0
32
64
96
128
160
192
224
256
288
320
352
384
416
448
480
512
544
576
608
640
672
704
736
768
800
832
864
896
928
960
992
1024
1056
1088
1120
1152
1184
1216
1248
1280
1312
1344
1376
1408
1440
1472
1504
1536
1568
1600
1632
1664
1696
1728
1760
1792
1824
1856
1888
1920
1952
1984
2016
First
Fuse
Numbers
PAL16L8AM, PAL16L8A-2M
STANDARD HIGH-SPEED PAL
CIRCUITS
SRPS016 D2705, FEBRUARY 1984 REVISED MARCH 1992
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
5
logic diagram (positive logic)