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Pericom Semiconductor

PI49FCT20807 Datasheet Preview

PI49FCT20807 Datasheet

1-10 Clock Buffer

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PI49FCT20807
1-10 Clock Buffer for Networking Applications
Features
• High Frequency >150 MHz
• High-speed, low-noise, non-inverting 1-10 buffer
• Low-skew (<150ps) between any two output clocks
• Low duty cycle distortion <300ps
• Low propagation delay <3.5ns
• Multiple VDD, GND pins for noise reduction
• 2.5V supply voltage and 3V tolerant input
• Packaging (Pb-free & Green available):
-20-pin SSOP (H)
-20-pin QSOP (Q)
Block Diagram
BUF_IN
CLK0
CLK1
CLK2
CLK3
CLK9
Description
The PI49FCT20807, a 2.5V compatible, high-speed, low-noise
1-10 non-inverting clock buffer, is designed to target networking
applications that require low-skew, low-jitter, and high-frequen-
cy clock distribution. Providing output-to-output skew as low as
150ps, the PI49FCT20807 is an ideal clock distribution device for
synchronous systems. Designing synchronous networking sys-
tems requires a tight level of skew from a large number of outputs.
Pin Description
Pin Name
BUF_IN
CLK [0:9]
GND
VDD
Description
Input
Outputs
Ground
Power
Pin Configuration
BUF_IN
GND
CLK0
1
2
3
20 VDD
19 CLK9
18 CLK8
VDD
CLK1
GND
4
5
6
17 GND
20-Pin
H, Q
16
CLK7
15 VDD
CLK2 7
14 CLK6
VDD
CLK3
8
9
13 GND
12 CLK5
GND 10
11 CLK4
1 www.pericom.com 09/25/14




Pericom Semiconductor

PI49FCT20807 Datasheet Preview

PI49FCT20807 Datasheet

1-10 Clock Buffer

No Preview Available !

PI49FCT20807
1-10 Clock Buffer for Networking Applications
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.)
Storage Temperature.......................................... –65°C to +150°C
VDD Voltage..............................................................–0.5V to +3.6V
Input/Output Voltage(4)....................................... –0.5V to VDD+0.5V
DC Output Current.............................................. –60mA to +60mA
Power Dissipation.............................................................. 500mW
Note:
Stresses greater than those listed under MAXIMUM
RATINGS may cause permanent damage to the de-
vice. This is a stress rating only and functional opera-
tion of the device at these or any other conditions
above those indicated in the operational sections of
this specification is not implied. Exposure to absolute
Operating Range
maximum rating conditions for extended periods may
affect reliability.
VIN Voltage.................................................................–0.3V to 3.6V
VDD Voltage...................................................................2.5V ± 0.2V
Industrial Temperature.......................................... –40°C to +85°C
Input Frequency..................................................... DC to 150 MHz
Capacitive Loading................................................... 10pF to 25pF
DC Electrical Characteristics (Over the Operating Range)
Parameters
Description
Test Conditions(1)
Min. Typ.(2)
VIH Input HIGH Voltage Guaranteed Logic HIGH Level (Input Pins)
1.7 —
VIL Input LOW Voltage Guaranteed Logic LOW Level (Input Pins)
II
Input Current
VDD = Max., VIN = VDD or
GND
VIN = VDD — —
VIK
Clamp Diode
Voltage
VDD = Min., IIN = –18mA
— –0.7
VOH
Output HIGH
Voltage
VDD = Min., VIN = VIH or VIL
IOH = –1mA
IOH = –8mA
2
1.8(3)
VOL
Output LOW
Voltage
VDD = Min., VIN = VIH or VIL
IOL = 1mA
IOL = 8mA
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at VDD = 2.5V, +25°C ambient and maximum loading.
3. VOH = VDD – 0.6V at rated current.
4. This value is limited to 3.6V maximum.
Max.
0.7
±1
–1
0.4
0.6
Units
V
mA
V
Power Supply Characteristics
Parameters
Description
Test Conditions(1)
Min. Typ.(2)
IDDQ
Quiescent Power Supply
Current
VDD = Max.
VIN = GND or VDD
— 0.1
IDD
Supply Current per
Inputs @ TTL HIGH
VDD = Max.
VIN = VDD – 0.6V(3)
— 47
IDD Dynamic Supply Current VDD = 2.7V, 15pF & 150 MHz
(See Graph 1)
33-ohm load
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device.
2. Typical values are at VDD = 2.5V, +25°C ambient.
3. Per TTL driven input (VIN = VDD – 0.6V); all other inputs at VDD or GND.
136
Max.
20
300
Units
µA
mA
2 www.pericom.com 09/25/14


Part Number PI49FCT20807
Description 1-10 Clock Buffer
Maker Pericom Semiconductor
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PI49FCT20807 Datasheet PDF






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