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ID82C84A Datasheet

  • ID82C84A

  • CMOS Clock Generator Driver

  • 92.78KB

  • 10頁

  • INTERSIL   INTERSIL

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82C84A
March 1997
CMOS Clock Generator Driver
Description
The Intersil 82C84A is a high performance CMOS Clock Generator-
driver which is designed to service the requirements of both CMOS
and NMOS microprocessors such as the 80C86, 80C88, 8086 and
the 8088. The chip contains a crystal controlled oscillator, a divide-by-
three counter and complete 鈥淩eady鈥?synchronization and reset logic.
Static CMOS circuit design permits operation with an external fre-
quency source from DC to 25MHz. Crystal controlled operation to
25MHz is guaranteed with the use of a parallel, fundamental mode
crystal and two small load capacitors.
All inputs (except X1 and RES) are TTL compatible over tempera-
ture and voltage ranges.
Power consumption is a fraction of that of the equivalent bipolar cir-
cuits. This speed-power characteristic of CMOS permits the
designer to custom tailor his system design with respect to power
and/or speed requirements.
Features
鈥?Generates the System Clock For CMOS or NMOS
Microprocessors
鈥?Up to 25MHz Operation
鈥?Uses a Parallel Mode Crystal Circuit or External
Frequency Source
鈥?Provides Ready Synchronization
鈥?Generates System Reset Output From Schmitt Trigger
Input
鈥?TTL Compatible Inputs/Outputs
鈥?Very Low Power Consumption
鈥?Single 5V Power Supply
鈥?Operating Temperature Ranges
- C82C84A . . . . . . . . . . . . . . . . . . . . . . . . .0
o
C to +70
o
C
- I82C84A . . . . . . . . . . . . . . . . . . . . . . . . -40
o
C to +85
o
C
- M82C84A . . . . . . . . . . . . . . . . . . . . . . -55
o
C to +125
o
C
Ordering Information
PART
NUMBER
CP82C84A
IP82C84A
CS82C84A
IS82C84A
CD82C84A
ID82C84A
MD82C84A/B
8406801VA
MR82C84A/B
84068012A
-55
o
C to +125
o
C
TEMP. RANGE
0
o
C to +70
o
C
-40
o
C to +85
o
C
0
o
C to +70
o
C
-40
o
C to +85
o
C
0
o
C to +70
o
C
-40
o
C to +85
o
C
-55
o
C to +125
o
C
SMD#
20 Pad CLCC
SMD#
PACKAGE
18 Ld PDIP
20 Ld PLCC
PKG.
NO.
E18.3
E18.3
N20.35
N20.35
18 Ld CERDIP F18.3
F18.3
F18.3
F18.3
J20.A
J20.A
Pinouts
82C84A (PDIP, CERDIP)
TOP VIEW
CSYNC
PCLK
AEN1
RDY1
READY
RDY2
AEN2
CLK
GND
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
V
CC
X1
X2
RDY1
ASYNC
READY
EFI
F/C
OSC
RES
RESET
RDY2
AEN2
NC
4
5
6
7
8
9
CLK
10
GND
11
RESET
12
RES
13
OSC
82C84A (PLCC, CLCC)
TOP VIEW
CSYNC
PCLK
AEN1
V
CC
20
3
2
1
19
18
17
16
15
14
X2
ASYNC
EFI
F/C
NC
X1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207
|
Copyright
漏
Intersil Corporation 1999
File Number
2974.1
4-287

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