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5T30553DCGI8

P1-P3P4-P6P7-P8
DATASHEET
LOW SKEW 1 TO 4 CLOCK BUFFER IDT5T30553
IDT®
LOW SKEW 1 TO 4 CLOCK BUFFER 1
IDT5T30553 REV F 121013
Description
The IDT5T30553 is a low skew, single input to four output,
clock buffer.
IDT makes many non-PLL and PLL based low skew output
devices as well as Zero Delay Buffers to synchronize
clocks. Contact us for all of your clocking needs.
Features
• Extremely low skew outputs (50 ps maximum)
• Packaged in 8-pin SOIC – Pb-free, RoHS compliant
• Low power CMOS technology
• Operating voltages of 2.5 V to 3.3 V
• Output Enable pin tri-states outputs
• Commercial (0 to +70°C) and Industrial (-40°C to +85°C)
temperature ranges
Block Diagram
Q0
ICLK
Q1
Q2
Q3
Output Enable
IDT5T30553
LOW SKEW 1 TO 4 CLOCK BUFFER FAN OUT BUFFER
IDT®
LOW SKEW 1 TO 4 CLOCK BUFFER 2
IDT5T30553 REV F 121013
Pin Assignment
Pin Descriptions
External Components
A minimum number of external components are required for proper operation. A decoupling capacitor of 0.01 µF
should be connected between VDD on pin 1 and GND on pin 4, as close to the device as possible. A 33
series
terminating resistor may be used on each clock output if the trace is longer than 1 inch.
To achieve the low output skew that the IDT5T30553 is capable of, careful attention must be paid to board layout.
Essentially, all four outputs must have identical terminations, identical loads and identical trace geometries. If they
do not, the output skew will be degraded. For example, using a 30
series termination on one output (with 33 on
the others) will cause at least 15 ps of skew.
1
2
3
VDD
4
Q0
Q1
Q3
GND
Q2
ICLK
8
7
6
5
OE
8-pin SOIC
Pin
Number
Pin
Name
Pin
Type
Pin Description
1 VDD Power Connect to +2.5 V or +3.3 V.
2 Q0 Output Clock output 0.
3 Q1 Output Clock output 1.
4 GND Power Connect to ground.
5 ICLK Input Clock input.
6 Q2 Output Clock Output 2.
7 Q3 Output Clock Output 3.
8 OE Input Output Enable. Tri-states outputs when low. Connect to VDD for normal operation.
IDT5T30553
LOW SKEW 1 TO 4 CLOCK BUFFER FAN OUT BUFFER
IDT®
LOW SKEW 1 TO 4 CLOCK BUFFER 3
IDT5T30553 REV F 121013
Absolute Maximum Ratings
Stresses above the ratings listed below can cause permanent damage to the IDT5T30553. These ratings, which
are standard values for IDT commercially rated parts, are stress ratings only. Functional operation of the device at
these or any other conditions above those indicated in the operational sections of the specifications is not implied.
Exposure to absolute maximum rating conditions for extended periods can affect product reliability. Electrical
parameters are guaranteed only over the recommended operating temperature range.
Recommended Operation Conditions
DC Electrical Characteristics
VDD=2.5 V ±5%, Ambient temperature -40 to +85C, unless stated otherwise
Item Rating
Supply Voltage, VDD 7 V
Output Enable and All Outputs -0.5V to VDD+0.5 V
ICLK -0.5V to VDD+0.5V
Ambient Operating Temperature (industrial) -40
C to +85C
Storage Temperature -65
C to +150C
Junction Temperature 125
C
Soldering Temperature 260
C
Parameter Min. Typ. Max. Units
Ambient Operating Temperature (industrial) -40 +85 C
Power Supply Voltage (measured in respect to GND) +2.375 +3.465 V
Parameter Symbol Conditions Min. Typ. Max. Units
Operating Voltage VDD 2.375 2.625 V
Input High Voltage, OE V
IH
1.8 VDD V
Input Low Voltage, OE V
IL
0.7 V
Output High Voltage V
OH
I
OH
= -16 mA 2 V
Output Low Voltage V
OL
I
OL
= 16 mA 0.4 V
Operating Supply Current IDD No load, 135 MHz 25 mA
Nominal Output Impedance Z
O
20
Input Capacitance C
IN
ICLK, OE pin 5 pF
Short Circuit Current I
OS
±28 mA
P1-P3P4-P6P7-P8

5T30553DCGI8

Mfr. #:
Buy 5T30553DCGI8
Manufacturer:
IDT
Description:
Clock Buffer LOW SKEW BUFFER 1 TO 4 CLOCK BUFFER
Lifecycle:
New from this manufacturer.
Delivery:
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