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TIBPAL22VP10-25MWB PDF预览

TIBPAL22VP10-25MWB

更新时间: 2024-11-24 13:14:39
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德州仪器 - TI /
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TIBPAL22VP10-25MWB 数据手册

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TIBPAL22VP10-20C, TIBPAL22VP10-25M  
PROGRAMMABLE ARRAY LOGIC CIRCUITS  
HIGH-PERFORMANCE IMPACT-X  
SRPS013 – D2943, FEBRUARY 1987 – REVISED JUNE 1991  
C SUFFIX . . . NT PACKAGE  
M SUFFIX . . . JT PACKAGE  
Functionally Equivalent to the  
TIBPAL22V10/10A, with Additional  
Feedback Paths in the Output Logic  
Macrocell  
(TOP VIEW)  
CLK/I  
V
CC  
1
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
I
I
I
I
I
I
I
I
I/O/Q  
I/O/Q  
I/O/Q  
I/O/Q  
I/O/Q  
I/O/Q  
I/O/Q  
I/O/Q  
I/O/Q  
I/O/Q  
I
2
Choice of Operating Speeds:  
3
TIBPAL22VP10-20C . . . 20 ns Max  
TIBPAL22VP10-25M . . . 25 ns Max  
4
5
Variable Product Term Distribution  
Allows More Complex Functions to Be  
Implemented  
6
7
8
9
Each Output Is User Programmable for  
Registered or Combinational Operation,  
Polarity, and Output Enable Control  
I
I
10  
11  
12  
GND  
TTL-Level Preload for Improved Testability  
Extra Terms Provide Logical Synchronous  
Set and Asynchronous Reset Capability  
C SUFFIX . . . FN PACKAGE  
M SUFFIX . . . FK PACKAGE  
(TOP VIEW)  
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  
4
3
2
1
28 27 26  
25  
5
I
I
I
I/O/Q  
I/O/Q  
I/O/Q  
6
24  
23  
Dependable Texas Instruments Quality and  
Reliability  
7
8
NC  
22 NC  
9
I
I
I
Package Options Include Plastic  
Dual-In-Line and Chip Carrier Packages  
21 I/O/Q  
20 I/O/Q  
19 I/O/Q  
10  
11  
12 13 14 15 16 17 18  
description  
The TIBPAL22VP10’ 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.  
NC 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.  
Copyright 1991, Texas Instruments Incorporated  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Productionprocessingdoesnotnecessarilyinclude  
testing of all parameters.  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
1

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