Cypress Semiconductor Corporation
Document #: 38-03018 Rev. *A
Features
• Advanced second generation PAL architecture
• Low power
• CMOS EPROM technology for reprogrammability
• Variable product terms
• User-programmable macrocell
• Up to 22 input terms and 10 outputs
— 90 mA max. standard
— 100 mA max. military
— 2 x (8 through 16) product terms
— Output polarity control
— Individually selectable for registered or combina-
— 15 ns commercial and industrial
— 15 ns and “20 ns” military
Logic Block Diagram (PDIP/CDIP)
torial operation
10 ns t
10 ns t
15 ns t
50 MHz
10/15 ns t
10/17 ns t
15/20 ns t
50/31 MHz
V SS
13
12
I
CO
S
PD
Reset
CO
S
PD
Macrocell
I/O 9
11
14
I
8
Macrocell
10
I/O 8
10
15
I
Macrocell
This is an abbreviated data sheet. Contact a Cypress
I/O 7
12
16
9
I
representative for complete specifications.
•
Macrocell
I/O 6
14
17
8
I
3901 North First Street
USE ULTRA37000™ FOR
ALL NEW DESIGNS
Reprogrammable CMOS PAL
Macrocell
I/O 5
7
16
I
18
PROGRAMMABLE
ANDARRAY
(132X 44)
Macrocell
Functional Description
The Cypress PALC22V10B is a CMOS second-generation
programmable logic array device. It is implemented with the
familiar sum-of-products (AND-OR) logic structure and a new
concept, the “Programmable Macrocell.”
The PALC22V10B is executed in a 24-pin 300-mil molded DIP,
a 300-mil windowed cerDIP, a 28-lead square ceramic
leadless chip carrier, a 28-lead square plastic leaded chip
carrier, and provides up to 22 inputs and 10 outputs. When the
windowed cerDIP is exposed to UV light, the 22V10B is erased
and can then be reprogrammed. The programmable macrocell
provides the capability of defining the architecture of each
output individually. Each of the 10 potential outputs may be
specified as “registered” or “combinatorial.” Polarity of each
output may also be individually
• Enhanced test features
• High reliability
• Windowed DIP, windowed LCC, DIP, LCC, PLCC
I/O 4
16
19
6
I
— Phantom array
— Top test
— Bottom test
— Preload
— Proven EPROM technology
— 100% programming and functional testing
available
Macrocell
•
14
I/O 3
5
I
20
San Jose
Macrocell
12
I/O 2
4
I
21
,
CA 95134
Macrocell
10
I/O 1
3
22
I
Macrocell
Revised April 22, 2004
PALC22V10B
I/O 0
2
23
I
8
•
®
408-943-2600
Preset
CP/I
Device
V CC
1
24