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Cypress Semiconductor Electronic Components Datasheet

PALC22V10 Datasheet

Reprogrammable CMOS PAL Device

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1P AL C2 2V 10
This is an abbreviated datasheet. Contact a
Cypress representative for complete specifications.
fax id: 6005
For new designs, please refer to the PALCE22V10.
Features
• Advanced second-generation PAL architecture
• Low power
— 55 mA max. “L”
— 90 mA max. standard
— 120 mA max. military
• CMOS EPROM technology for reprogrammability
• Variable product terms
— 2 x (8 through 16) product terms
• User-programmable macrocell
— Output polarity control
— Individually selectable for registered or
combinatorial operation
PALC22V10
Reprogrammable CMOS
PAL® Device
• 20, 25, 35 ns commercial and industrial
• 25, 30, 40 ns military
• Up to 22 input terms and 10 outputs
• High reliability
— Proven EPROM technology
— 100% programming and functional testing
• Windowed DIP, windowed LCC, DIP, LCC, and PLCC
available
Functional Description
The Cypress PALC22V10 is a CMOS second-generation pro-
grammable logic array device. It is implemented with the
familiar sum-of-products (AND-OR) logic structure and a
new concept, the “programmable macrocell.”
Logic Block Diagram (PDIP/CDIP)
VSS I I I I I I I I I I CP/I
12 11
10
9
87
6
5
43
21
8 10
12 14
PROGRAMMABLE
AND ARRAY
(132 X 44)
16 16
14
12 10
8
Reset
Macrocell
Macrocell
Macrocell
Macrocell
Macrocell
Macrocell
Macrocell
Macrocell
Macrocell
Macrocell
Preset
13 14 15 16 17
I I/O9 I/O8 I/O 7 I/O6
Pin Configuration
18 19
I/O5 I/O4
LCC/PLCC
Top View
20 21 22 23 24
I/O3 I/O2 I/O1 I/O0 VCC
V10–1
4 3 2 1 282726
I5
25 I/O 2
I6
I7
NC 8
24 I/O 3
23 I/O 4
22 NC
I9
I 10
21 I/O 5
20 I/O 6
I 11
19 I/O 7
12131415161718
PAL is a registered trademark of Advanced Micro Devices.
Cypress Semiconductor Corporation • 3901 North First Street
V10–2
• San Jose • CA 95134 • 408-943-2600
June 1986 – Revised September 1995


Cypress Semiconductor Electronic Components Datasheet

PALC22V10 Datasheet

Reprogrammable CMOS PAL Device

No Preview Available !

PALC22V10
Functional Description (continued)
The PALC22V10 is available in 24-pin 300-mil molded DIPs,
300-mil windowed cerDIPs, 28-lead square ceramic leadless
chip carriers, 28-lead square plastic leaded chip carriers, and
provides up to 22 inputs and 10 outputs. When the windowed
cerDIP is exposed to UV light, the 22V10 is erased and can
then be reprogrammed. The programmable macrocell pro-
vides the capability of defining the architecture of each output
Document #: 38-00020-H
individually. Each of the 10 potential outputs may be specified
as registered or combinatorial. Polarity of each output may
also be individually selected, allowing complete flexibility of
output configuration. Further configurability is provided
through array-configurable output enable for each potential
output. This feature allows the 10 outputs to be reconfigured
as inputs on an individual basis, or alternately used as a com-
bination I/O controlled by the programmable array.
© Cypress Semiconductor Corporation, 1995. The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use
of any circuitry other than circuitry embodied in a Cypress Semiconductor product. Nor does it convey or imply any license under patent or other rights. Cypress Semiconductor does not authorize
its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress
Semiconductor products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress Semiconductor against all charges.


Part Number PALC22V10
Description Reprogrammable CMOS PAL Device
Maker Cypress Semiconductor
Total Page 2 Pages
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