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參數資料
| 型號： | MK3235-02SLF |
| 元件分類： | 時鐘產生/分配 |
| 英文描述： | 14.3 MHz, OTHER CLOCK GENERATOR, PDSO16 |
| 封裝： | SOIC-16 |
| 文件頁數： | 3/4頁 |
| 文件大?。?/td> | 61K |
| 代理商： | MK3235-02SLF |
MK3235
Handheld System Clock Synthesizer
MDS 3235 E
3
Revision 010302
Integrated Circuit Systems, Inc. 525 Race Street San Jose CA 95126 (408)295-9800 www.icst.com
Note 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.
Note 2: When PD=0 (low) and VDD32 is greater than 2.0V, then the 32kHz oscillator will continue to run on the chip,
but the output is turned off. This allows for a quick power-up (<20ms), while the chip is only consuming
approximately 1A.
Parameter
Conditions
Minimum
Typical
Maximum
Units
ABSOLUTE MAXIMUM RATINGS (note 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
0
70
°C
Soldering Temperature
Max of 30 seconds
260
°C
Storage Temperature
-65
150
°C
DC CHARACTERISTICS (at 5.0V unless otherwise noted)
Operating Voltage, VDD
3.0
5.5
V
Operating Voltage,VDD32
2.0
5.5
V
Input High Voltage, VIH
VDD=5V
2.0
V
Input Low Voltage, VIL
VDD=5V
0.8
V
Output High Voltage, VOH, 3.3V or 5V
IOH=-4mA
VDD-0.4
V
Output High Voltage, VOH
VDD=5V, IOH=-25mA
2.4
V
Output Low Voltage, VOL
VDD=5V, IOL=25mA
0.4
V
Input High Voltage, VIH
VDD=3.3V
1.9
V
Input Low Voltage, VIL
VDD=3.3V
0.4
V
Output High Voltage, VOH
VDD=3.3V, IOH=-8mA
2.4
V
Output Low Voltage, VOL
VDD=3.3V, IOL=8mA
0.4
V
IDD Operating Supply Current, 5V
No Load
9
mA
IDD32 with only 32 kHz running, 5V
No Load
3.5
A
IDD Operating Supply Current, 3.3V
No Load
6
mA
IDD32 with only 32 kHz output running, 3.3V
No Load
2.5
A
IDD32, only 32 kHz osc. running, 3.3V, note 2
32kHz output off. PD=0
1
A
Short Circuit Current, 5V
32kHz output
±30
mA
Short Circuit Current, 5V
14 MHz/3.686 MHz outputs
±80
mA
Input Capacitance
7
pF
AC CHARACTERISTICS (at 5.0V unless otherwise noted)
Input Frequency
32.768
kHz
Output Clock Rise and Fall Time, 0.2 to 0.8VDD
2
ns
Output Clock Duty Cycle, all MHz clocks
At VDD/2
45
49 to 51
55
%
32.768 kHz Clock Duty Cycle
At VDD32/2
57
%
Absolute Clock Period Jitter
14.318 MHz/3.686 MHz
-500
500
ps
Power up time, to all clocks stable, 32k running
VDD=3.3 or 5V
9
ms
Power on time,VDD32=0V to all clocks stable
32.768kHz crystal with ESR
≤25k
32.768kHz crystal with ESR
≤25k
500
1000
ms
Power on time, all power down pins taken high
32.768kHz oscillator running
15
ms
Electrical Specifications
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