TIBPAL20R6-10C Datasheet | HIGH-PERFORMANCE IMPACT-X PAL CIRCUITS





(Datasheet) TIBPAL20R6-10C Datasheet PDF Download

Part Number TIBPAL20R6-10C
Description HIGH-PERFORMANCE IMPACT-X PAL CIRCUITS
Manufacture etcTI
Total Page 24 Pages
PDF Download Download TIBPAL20R6-10C Datasheet PDF

Features: TIBPAL20L8-10C, TIBPAL20R4-10C, TIBPAL20 R6-10C, TIBPAL20R8-10C HIGH-PERFORMANCE IMPACT-X ™ PAL® CIRCUITS • High- Performance Operation: fmax (no feedbac k) TIBPAL20R’ . . . 71.4 MHz fmax (in ternal feedback) TIBPAL20R’ . . . 58. 8 MHz fmax (external feedback) TIBPAL20 R’ . . . 55.5 MHz Propagation Delay T IBPAL20’ . . . 10 ns Max • Function ally Equivalent, but Faster Than Existi ng 24-Pin PLD Circuits • Preload Capa bility on Output Registers Simplifies T esting • Power-Up Clear on Registered Devices (All Register Outputs are Set Low, but Voltage Levels at the Output P ins Go High) • Package Options Includ e Plastic Chip Carriers in Addition to Plastic and Ceramic DIPs • Security F use Prevents Duplication • Dependable Texas Instruments Quality and Reliabil ity DEVICE I 3-STATE INPUTS O OUTPUTS PAL20L8 PAL20R4 PAL20R6 PAL20R8 14 1 2 12 12 2 0 0 0 REGISTERED Q OUTPUTS 0 4 (3-state buffers) 6 (3-state buffer s) 8 (3-state buffers) I/O PORT S 6 4 2 0 SRPS008A – D3336, OCTOBER 1989 – REVISED MAR.

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TIBPAL20L8-10C, TIBPAL20R4-10C, TIBPAL20R6-10C, TIBPAL20R8-10C
HIGH-PERFORMANCE IMPACT-X PAL® CIRCUITS
High-Performance Operation:
fmax (no feedback)
TIBPAL20R’ . . . 71.4 MHz
fmax (internal feedback)
TIBPAL20R’ . . . 58.8 MHz
fmax (external feedback)
TIBPAL20R’ . . . 55.5 MHz
Propagation Delay
TIBPAL20’ . . . 10 ns Max
Functionally Equivalent, but Faster Than
Existing 24-Pin PLD Circuits
Preload Capability on Output Registers
Simplifies Testing
Power-Up Clear on Registered Devices (All
Register Outputs are Set Low, but Voltage
Levels at the Output Pins Go High)
Package Options Include Plastic Chip
Carriers in Addition to Plastic and Ceramic
DIPs
Security Fuse Prevents Duplication
Dependable Texas Instruments Quality and
Reliability
DEVICE
I 3-STATE
INPUTS O OUTPUTS
PAL20L8
PAL20R4
PAL20R6
PAL20R8
14
12
12
12
2
0
0
0
REGISTERED
Q OUTPUTS
0
4 (3-state buffers)
6 (3-state buffers)
8 (3-state buffers)
I/O
PORT
S
6
4
2
0
SRPS008A – D3336, OCTOBER 1989 – REVISED MARCH 1992
TIBPAL20L8’
JT OR NT PACKAGE
(TOP VIEW)
I
I
I
I
I
I
I
I
I
I
I
GND
1
2
3
4
5
6
7
8
9
10
11
12
24 VCC
23 I
22 O
21 I/O
20 I/O
19 I/O
18 I/O
17 I/O
16 I/O
15 O
14 I
13 I
TIBPAL20L8’
FN PACKAGE
(TOP VIEW)
4 3 2 1 28 27 26
I5
25 I/O
I6
24 I/O
I7
23 I/O
NC 8
22 NC
I9
21 I/O
I 10
20 I/O
I 11
19 I/O
12 13 14 15 16 17 18
description
These programmable array logic devices feature
high speed and functional equivalency when
NC No internal connection
Pin assignments in operating mode
compared with currently available devices. These
IMPACT-Xcircuits combine the latest Advanced
Low-Power Schottky technology with proven titanium-tungsten fuses to provide reliable, high-performance
substitutes for conventional TTL logic. Their easy programmability allows for quick design of custom functions
and typically results in a more compact circuit board. In addition, chip carriers are available for futher reduction
in board space.
All of the register outputs are set to a low level during power up. Extra circuitry has been provided to allow loading
of each register asynchronously to either a high or low state. This feature simplifies testing because the registers
can be set to an initial state prior to executing the test sequence.
The TIBPAL20’ C series is characterized from 0°C to 75°C.
These devices are covered by U.S. Patent 4,410,987.
IMPACT-X is a trademark of Texas Instruments Incorporated.
PAL is a registered trademark of Advanced Micro Devices Inc.
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 DALLAS, TEXAS 75265
Copyright © 1992, Texas Instruments Incorporated
1

                    
                    






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