Spread Spectrum Selection. Has an internal pull up resistor
Ground
Spread Spectrum enable and disable option When SSON is HIGH, the spread
spectrum is enabled and when LOW, it turns off the spread spectrum. Has an internal
pull up resistor
Buffered clock output
4
3.3V supply
No Connect
CLKOUT
2
VDD
NC
Timing-Safe™ Peak EMI Reduction IC
Notice: The information in this document is subject to change without notice.
3 of 15
May 2008
rev 0.5
Pin Configuration
ASM3P623S00B/E
CLKIN
CLKOUT1
VDD
SS%
GND
CLKOUT2
CLKOUT3
1
2
3
4
16
15
14
13
CLKOUT
CLKOUT7
CLKOUT6
VDD
GND
CLKOUT5
CLKOUT4
SSON
ASM3P623S00E
5
6
7
12
11
10
9
DLY_CTRL
8
Pin Description for ASM3P623S00E
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Pin Name
CLKIN
1
CLKOUT1
2
V
DD
SS%
3
GND
CLKOUT2
2
CLKOUT3
2
DLY_CTRL
SSON
3
CLKOUT4
2
CLKOUT5
2
GND
V
DD
CLKOUT6
2
CLKOUT7
2
CLKOUT
2
Type
I
O
P
I
P
O
O
O
I
O
O
P
P
O
O
O
Buffered clock output
4
3.3V supply
Description
External reference Clock input, 5V tolerant input
Spread Spectrum Selection. Refer
Spread Spectrum Control and Input-Output Skew
Table. Has an internal pull up resistor
Ground
Buffered clock output
4
Buffered clock output
4
External Input-Output Delay control
.
Spread Spectrum enable and disable option. When SSON is HIGH, the spread
spectrum is enabled and when LOW, it turns off the spread spectrum. Has an internal
pull up resistor
Buffered clock output
4
Buffered clock output
4
Ground
3.3V supply
Buffered clock output
4
Buffered clock output
4
Buffered clock output
4
Notes: 1.Weak pull down
2. Weak pull-down on all outputs
3. Weak pull-up on these Inputs
4. Buffered clock output is Timing-Safe™
Timing-Safe™ Peak EMI Reduction IC
Notice: The information in this document is subject to change without notice.
4 of 15
May 2008
rev 0.5
Spread Spectrum Control and Input-Output Skew Table
Device
ASM3P623S00B/E
ASM3P623S00B/E
Input Frequency
32MHz
SS %
0
1
Deviation
±0.25 %
±0.50 %
Input-Output Skew (±T
SKEW
)
0.125
0.25
Note: T
SKEW
is measured in units of the Clock Period
Absolute Maximum Ratings
Symbol
VDD
VIN
T
STG
T
s
T
J
T
DV
DC Input Voltage (CLKIN)
Storage temperature
Max. Soldering Temperature (10 sec)
Junction Temperature
Static Discharge Voltage (As per JEDEC STD22- A114-B)
Parameter
Supply Voltage to Ground Potential
Rating
-0.5 to +4.6
-0.5 to +7
-65 to +125
260
150
2
Unit
V
°C
°C
°C
KV
Note: These are stress ratings only and are not implied for functional use. Exposure to absolute maximum ratings for prolonged periods of time may affect
device reliability.
Operating Conditions
Parameter
VDD
T
A
C
L
C
IN
Supply Voltage
Operating Temperature (Ambient Temperature)
Load Capacitance
Input Capacitance
Description
Min
3.0
-40
Max
3.6
+85
30
7
Unit
V
°C
pF
pF
Electrical Characteristics
Parameter
V
IL
V
IH
I
IL
I
IH
V
OL
V
OH
I
DD
Z
o
Description
Input LOW Voltage
5
Input HIGH Voltage
5
Input LOW Current
Input HIGH Current
Output LOW Voltage
6
Output HIGH Voltage
Supply Current
Output Impedance
6
Test Conditions
Min
2.0
Typ
Max
0.8
Unit
V
V
µA
µA
V
V
mA
Ω
V
IN
= 0V
V
IN
= VDD
I
OL
= 8mA
I
OH
= -8mA
Unloaded outputs
23
2.4
50
100
0.4
27
Note: 5. CLKIN input has a threshold voltage of VDD/2
6. Parameter is guaranteed by design and characterization. Not 100% tested in production
Timing-Safe™ Peak EMI Reduction IC
Notice: The information in this document is subject to change without notice.
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