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Intersil Electronic Components Datasheet

MD82C54-10B Datasheet

CMOS Programmable Interval Timer

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MD82C54-10B pdf
82C54
March 1997
CMOS Programmable Interval Timer
Features
Description
• 8MHz to 12MHz Clock Input Frequency
• Compatible with NMOS 8254
- Enhanced Version of NMOS 8253
• Three Independent 16-Bit Counters
• Six Programmable Counter Modes
• Status Read Back Command
• Binary or BCD Counting
• Fully TTL Compatible
• Single 5V Power Supply
• Low Power
- ICCSB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10µA
- ICCOP . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA at 8MHz
• Operating Temperature Ranges
- C82C54 . . . . . . . . . . . . . . . . . . . . . . . . . .0oC to +70oC
- I82C54 . . . . . . . . . . . . . . . . . . . . . . . . . -40oC to +85oC
- M82C54 . . . . . . . . . . . . . . . . . . . . . . . -55oC to +125oC
The Intersil 82C54 is a high performance CMOS Program-
mable Interval Timer manufactured using an advanced 2
micron CMOS process.
The 82C54 has three independently programmable and
functional 16-bit counters, each capable of handling clock
input frequencies of up to 8MHz (82C54) or 10MHz
(82C54-10) or 12MHz (82C54-12).
The high speed and industry standard configuration of the
82C54 make it compatible with the Intersil 80C86, 80C88,
and 80C286 CMOS microprocessors along with many other
industry standard processors. Six programmable timer
modes allow the 82C54 to be used as an event counter,
elapsed time indicator, programmable one-shot, and many
other applications. Static CMOS circuit design insures low
power operation.
The Intersil advanced CMOS process results in a significant
reduction in power with performance equal to or greater than
existing equivalent products.
Pinouts
82C54 (PDIP, CERDIP, SOIC)
TOP VIEW
D7 1
D6 2
D5 3
D4 4
D3 5
D2 6
D1 7
D0 8
CLK 0 9
OUT 0 10
GATE 0 11
GND 12
24 VCC
23 WR
22 RD
21 CS
20 A1
19 A0
18 CLK 2
17 OUT 2
16 GATE 2
15 CLK 1
14 GATE 1
13 OUT 1
82C54 (PLCC/CLCC)
TOP VIEW
4 3 2 1 28 27 26
D4 5
D3 6
D2 7
D1 8
D0 9
CLK 0 10
NC 11
25 NC
24 CS
23 A1
22 A0
21 CLK2
20 OUT 2
19 GATE 2
12 13 14 15 16 17 18
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999
4-1
File Number 2970.1


Intersil Electronic Components Datasheet

MD82C54-10B Datasheet

CMOS Programmable Interval Timer

No Preview Available !

MD82C54-10B pdf
82C54
Ordering Information
8MHz
CP82C54
IP82C54
CS82C54
IS82C54
CD82C54
ID82C54
MD82C54/B
MR82C54/B
SMD # 8406501JA
SMD# 84065013A
CM82C54
PART NUMBERS
10MHz
CP82C54-10
IP82C54-10
CS82C54-10
IS82C54-10
CD82C54-10
ID82C54-10
MD82C54-10/B
MR82C54-10/B
-
-
CM82C54-10
Functional Diagram
12MHz
CP82C54-12
IP82C54-12
CS82C54-12
IS82C54-12
CD82C54-12
ID82C54-12
MD82C54-12/B
MR82C54-12/B
8406502JA
84065023A
CM82C54-12
TEMPERATURE
RANGE
0oC to +70oC
-40oC to +85oC
0oC to +70oC
-40oC to +85oC
0oC to +70oC
-40oC to +85oC
-55oC to +125oC
-55oC to +125oC
-55oC to +125oC
-55oC to +125oC
0oC to +70oC
PACKAGE
24 Lead PDIP
24 Lead PDIP
28 Lead PLCC
28 Lead PLCC
24 Lead CERDIP
24 Lead CERDIP
24 Lead CERDIP
28 Lead CLCC
24 Lead CERDIP
28 Lead CLCC
24 Lead SOIC
PKG. NO.
E24.6
E24.6
N28.45
N28.45
F24.6
F24.6
F24.6
J28.A
F24.6
J28.A
M24.3
D7 - D0 8
DATA/
BUS
BUFFER
RD
WR
READ/
WRITE
A0 LOGIC
A1
CS
CONTROL
WORD
REGISTER
Pin Description
SYMBOL
D7 - D0
CLK 0
OUT 0
GATE 0
GND
OUT 1
GATE 1
CLK 1
GATE 2
OUT 2
DIP PIN
NUMBER
1-8
9
10
11
12
13
14
15
16
17
COUNTER
0
COUNTER
1
CLK 0
GATE 0
OUT 0
CONTROL
WORD
REGISTER
CLK 1
GATE 1
OUT 1
CONTROL
LOGIC
STATUS
LATCH
STATUS
REGISTER
INTERNAL BUS
CRM
CRL
CE
COUNTER
2
CLK 2
GATE 2
OUT 2
GATE n
CLK n OUT n
OLM
OLL
COUNTER INTERNAL BLOCK DIAGRAM
TYPE
I/O
I
O
I
O
I
I
I
O
DEFINITION
DATA: Bi-directional three-state data bus lines, connected to system data bus.
CLOCK 0: Clock input of Counter 0.
OUT 0: Output of Counter 0.
GATE 0: Gate input of Counter 0.
GROUND: Power supply connection.
OUT 1: Output of Counter 1.
GATE 1: Gate input of Counter 1.
CLOCK 1: Clock input of Counter 1.
GATE 2: Gate input of Counter 2.
OUT 2: Output of Counter 2.
4-2


Part Number MD82C54-10B
Description CMOS Programmable Interval Timer
Maker Intersil
Total Page 17 Pages
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