82C84A
®
Data Sheet
December 6, 2005
FN2974.3
CMOS Clock Generator Driver
Features
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
“Ready” synchronization and reset logic.
• Generates the System Clock For CMOS or NMOS
Microprocessors
• Up to 25MHz Operation
• Uses a Parallel Mode Crystal Circuit or External
Frequency Source
• Provides Ready Synchronization
Static CMOS circuit design permits operation with an external
frequency 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.
• Generates System Reset Output From Schmitt Trigger
Input
• TTL Compatible Inputs/Outputs
• Very Low Power Consumption
• Single 5V Power Supply
All inputs (except X1 and RES) are TTL compatible over
temperature and voltage ranges.
• Operating Temperature Ranges
Power consumption is a fraction of that of the equivalent
bipolar circuits. This speed-power characteristic of CMOS
permits the designer to custom tailor his system design with
respect to power and/or speed requirements.
- C82C84A . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to +70°C
- I82C84A . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +85°C
- M82C84A . . . . . . . . . . . . . . . . . . . . . . .-55°C to +125°C
• Pb-Free Plus Anneal Available (RoHS Compliant)
Ordering Information
Pinouts
82C84A (PDIP, CERDIP)
PART
PART
TEMP.
PKG.
TOP VIEW
NUMBER
MARKING RANGE (°C) PACKAGE DWG. #
CSYNC
PCLK
AEN1
1
2
3
4
5
6
7
8
9
18
V
CC
CP82C84A
CP82C84A
0 to +70
0 to +70
18 Ld PDIP
E18.3
17 X1
CP82C84AZ
(See Note)
CP82C84AZ
18 Ld PDIP* E18.3
(Pb-free)
16 X2
IP82C84A
CS82C84A
IP82C84A
-40 to +85 18 Ld PDIP
E18.3
15 ASYNC
RDY1
CS82C84A
CS82C84AZ
0 to +70
0 to +70
20 Ld PLCC
N20.35
N20.35
EFI
READY
RDY2
14
CS82C84AZ
(Note)
20 Ld PLCC
(Pb-free)
13 F/C
CS82C84AZ96 CS82C84AZ
(Note)
0 to +70
20 Ld PLCC
Tape and Reel
(Pb-free)
N20.35
12 OSC
11 RES
10 RESET
AEN2
CLK
GND
IS82C84A
CD82C84A
ID82C84A
IS82C84A
CD82C84A
ID82C84A
-40 to +85 20 Ld PLCC
0 to +70
-40 to +85 18 Ld CERDIP F18.3
N20.35
18 Ld CERDIP F18.3
82C84A (PLCC, CLCC)
TOP VIEW
MD82C84A/B MD82C84A/B -55 to +125 18 Ld CERDIP F18.3
8406801VA
8406801VA
-55 to +125 18 Ld CERDIP F18.3
SMD#
MR82C84A/B MR82C84A/B -55 to +125 20 Pad CLCC J20.A
3
2
1
20 19
84068012A
84068012A
-55 to +125 20 Pad CLCC J20.A
18
17
16
15
14
X2
4
5
6
7
8
RDY1
READY
RDY2
AEN2
NC
SMD#
ASYNC
EFI
*Pb-free PDIPs can be used for through hole wave solder processing
only. They are not intended for use in Reflow solder processing
applications.
NOTE: Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and 100% matte
tin plate termination finish, which are RoHS compliant and compatible
with both SnPb and Pb-free soldering operations. Intersil Pb-free
products are MSL classified at Pb-free peak reflow temperatures that
meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
F/C
NC
9
10 11 12 13
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 1997, 2002, 2005. All Rights Reserved
1
All other trademarks mentioned are the property of their respective owners.
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