ICS8725AM-21 IDT, Integrated Device Technology Inc, ICS8725AM-21 Datasheet - Page 8

• Manufacturer Part Number: ICS8725AM-21
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Zero Delay PLL Clock Generatorr

Specifications of ICS8725AM-21

• Number Of Elements: 1
• Supply Current: 137mA
• Pll Input Freq (min): 31.25MHz
• Pll Input Freq (max): 630MHz
• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: 0C to 70C
• Package Type: SOIC
• Output Frequency Range: Up to 630MHz
• Operating Supply Voltage (min): 3.135V
• Operating Supply Voltage (max): 3.465V
• Operating Temperature Classification: Commercial
• Pin Count: 20
• Lead Free Status / Rohs Status: Not Compliant

Parameter Measurement Information
3.3V Core/1.8V Output Load AC Test Circuit
Phase Jitter and Static Phase Offset
Cycle-to-Cycle Jitter
IDT™ / ICS™ HSTL ZERO DELAY CLOCK GENERATOR
nQ, nQFB
ICS8725-21
DIFFERENTIAL-TO-HSTL ZERO DELAY CLOCK GENERATOR
nQ, nQFB
3.3V±5%
Q, QFB
HSTL
V DD,
V DDA
Q, QFB
nCLK
CLK
GND
GND = 0V
1.8V±0.2V
V DDO
Where t(Ø) is any random sample, and t(Ø)
of the sampled cycles measured on the controlled edges)
t(Ø)
tjit(Ø) =
t(Ø) mean = Static Phase Offset
tcycle n
tjit(cc) = tcycle n – tcycle n+1
t(Ø) – t(Ø)
1000 Cycles
mean
= Phase Jitter
tcycle n+1
nQx
Qx
mean
SCOPE
is the average
V
V
V
V
OH
OL
OH
OL
8
Differential Input Level
Output Skew
Output Pulse Width
nQ, nQFB
nQx
nQy
Q, QFB
Qx
Qy
nCLK
GND
V DD
CLK
V
PP
V
DDO
2
Pulse Width
tsk(o)
ICS8725AM-21 REV. A FEBRUARY 27, 2008
t
Cross Points
PERIOD
V
DDO
2
V
CMR
V
DDO
2