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Functionally Equivalent to the
TIBPAL22V10/10A, with Additional
Feedback Paths in the Output Logic
Macrocell
Choice of Operating Speeds:
TIBPAL22VP10-20C . . . 20 ns Max
TIBPAL22VP10-25M . . . 25 ns Max
Variable Product Term Distribution
Allows More Complex Functions to Be
Implemented
Each Output Is User Programmable for
Registered or Combinational Operation,
Polarity, and Output Enable Control
TTL-Level Preload for Improved Testability
Extra Terms Provide Logical Synchronous
Set and Asynchronous Reset Capability
Fast Programming, High Programming
Yield, and Unsurpassed Reliability Ensured
Using Ti-W Fuses
AC and DC Testing Done at the Factory
Utilizing Special Designed-In Test Features
Dependable Texas Instruments Quality and
Reliability
Package Options Include Plastic
Dual-In-Line and Chip Carrier Packages
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NC
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C SUFFIX . . . NT PACKAGE
M SUFFIX . . . JT PACKAGE
(TOP VIEW)
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CLK/I
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V
CC
I/O/Q
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I/O/Q
I/O/Q
I/O/Q
I/O/Q
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I/O/Q
I/O/Q
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C SUFFIX . . . FN PACKAGE
M SUFFIX . . . FK PACKAGE
(TOP VIEW)
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NC
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CC
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description
The TIBPAL22VP10鈥?is equivalent to the
TIBPAL22V10A but offers additional flexibility in
the output structure. The improved output
macrocell uses the registered outputs as inputs
when in a high-impedance condition. This
provides two additional output configurations for a
total of six possible macrocell configurations all of
which are shown in Figure 1.
I/O/Q
I/O/Q
I/O/Q
NC
I/O/Q
I/O/Q
I/O/Q
NC
鈥?/div>
No internal connection
Pin assignments in operating mode
These devices contain up to 22 inputs and 10 outputs. They incorporate the unique capability of defining and
programming the architecture of each output on an individual basis. Outputs may be registered or nonregistered
and inverting or noninverting. In addition, the data may be fed back into the array from either the register or the
I/O port. The ten potential outputs are enabled through the use of individual product terms.
Further advantages can be seen in the introduction of variable product term distribution. This technique
allocates from 8 to 16 logical product terms to each output for an average of 12 product terms per output. This
variable allocation of terms allows far more complex functions to be implemented than in previously available
devices.
These devices are covered by U.S. Patent 4,410,987.
IMPACT-X is a trademark of Texas Instruments Incorporated.
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.
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
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Copyright
漏
1991, Texas Instruments Incorporated
1
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