HA7210
Data Sheet
February 1999
File Number 3389.8
10kHz to 10MHz, Low Power Crystal
Oscillator
The HA7210 is a very low power crystal-controlled oscillators
that can be externally programmed to operate between 10kHz
and 10MHz. For normal operation it requires only the addition
of a crystal. The part exhibits very high stability over a wide
operating voltage and temperature range.
The HA7210 also features a disable mode that switches the
output to a high impedance state. This feature is useful for
minimizing power dissipation during standby and when
multiple oscillator circuits are employed.
Features
• Single Supply Operation at 32kHz . . . . . . . . . . . . 2V to 7V
• Operating Frequency Range . . . . . . . . . 10kHz to 10MHz
• Supply Current at 32kHz . . . . . . . . . . . . . . . . . . . . . . 5µA
• Supply Current at 1MHz . . . . . . . . . . . . . . . . . . . . . 130µA
• Drives 2 CMOS Loads
• Only Requires an External Crystal for Operation
Applications
• Battery Powered Circuits
• Remote Metering
Ordering Information
PART NUMBER
(BRAND)
HA7210IP
HA7210IB
(H7210I)
HA7210Y
TEMP.
RANGE (
o
C)
-40 to 85
-40 to 85
-40 to 85
PACKAGE
8 Ld PDIP
8 Ld SOIC
DIE
PKG.
NO.
E8.3
M8.15
• Embedded Microprocessors
• Palm Top/Notebook PC
• Related Literature
- AN9334, Improving HA7210 Start-Up Time
Pinout
HA7210
(PDIP, SOIC)
TOP VIEW
Typical Application Circuit
0.1µF
V
DD
1
V
DD
OSC IN
OSC OUT
V
SS
1
2
3
4
8
7
6
5
ENABLE
FREQ 2
FREQ 1
OUTPUT
32.768kHz
CRYSTAL
2
HA7210
3
4
8
7
6
5
32.768kHz
CLOCK
(NOTE 1)
32.768kHz MICROPOWER CLOCK OSCILLATOR
NOTE:
1. Internal pull-up resistors provided on EN, FREQ1, and FREQ2
inputs.
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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Copyright
©
Intersil Corporation 1999
INTERSIL [ INTERSIL CORPORATION ]
