MK3200

32.768 kHz Clock Oscillator

MDS 3200 C

3

Revision 101001

Integrated Circuit Systems, Inc. • 525 Race Street • San Jose •CA • 95126• (408)295-9800tel • www.icst.com

Parameter

Conditions

Minimum

Typical

Maximum

Units

ABSOLUTE MAXIMUM RATINGS (note

te 1)

Supply voltage, VDD

Referenced to GND

7

V

Inputs and Clock Outputs

Referenced to GND

-0.5

VDD+0.5

V

Ambient Operating Temperature

-40

85

°C

Storage temperature

-65

150

°C

DC CHARACTERISTICS (VDD = 3.3 V

V unless noted)

Operating Voltage, VDD

2.375

5.250

V

Output High Voltage, VOH

IOH=-3mA

2.4

V

Output Low Voltage, VOL

IOL=3mA

0.4

V

Output High Voltage, VOH, CMOS level

IOH=-1.5mA

VDD-0.4

V

Operating Supply Current, IDD, PD=0, OE=1 No Load

3.5

µA

Short Circuit Current

±6

mA

AC CHARACTERISTICS (VDD = 3.3 V

V unless noted)

Input Crystal Frequency

32.768

kHz

Input Crystal Accuracy

±30

ppm

Output Clock Rise Time

0.8 to 2.0V

8

ns

Output Clock Fall Time

2.0 to 0.8V

8

ns

Output Clock Duty Cycle

At VDD/2

40

50

60

%

Electrical Specifications

Notes: 1. Stresses beyond those listed under Absolute Maximum Ratings could cause permanent damage to the

device. Prolonged exposure to levels above the operating limits but below the Absolute Maximums may affect

device reliability.

External Components

The MK3200 requires a minimum number of external components for proper operation. A decoupling capacitor of

0.01µF should be connected between VDD and GND on pins 2 and 3, as close to the MK3200 as possible. A series

termination resistor of 33

Ω may be used for the clock output if the trace is longer than a few inches. The input crystal

must be connected as close to the chip as possible. The input crystal should be a parallel mode watch crystal with 12

pF load capacitance.