mpc904 Freescale Semiconductor, Inc, mpc904 Datasheet - Page 3

• Manufacturer Part Number: mpc904
• Description: Mpc903 1 6 Pci Clock Generator/ Fanout Buffer
• Manufacturer: Freescale Semiconductor, Inc

1. Assuming input duty cycle specs from Recommended Operationg Conditions table are met.
2. Assuming external crystal or 50% duty cycle external reference is used.
TIMING SOLUTIONS
BR1333 — REV 5
AC CHARACTERISTICS (T A = 0–70 C; V DD = 3.3V 0.3V)
F max
t pw
t per
t os
t r , t f
t EN
t DIS
A osc
Phase
Symbol
Figure 1. Crystal Oscillator Interface
Maximum Operating
Frequency
Output Pulse Width
Output Period
Output-to-Output Skew
Rise/Fall Times (Slew Rate)
Enable Time
Disable Time
XTAL_IN to XTAL_OUT Oscillator Gain
Loop Phase Shift Modulo 360 +
C1
Pin 16
(Fundamental)
33.3333MHz
10pF
Y1
Characteristic
Table 1. Crystal Specifications
Crystal Cut
Resonance
Frequency Tolerance
Frequency/Temperature Stability
Operating Range
Shunt Capacitance
Equivalent Series Resistance (ESR)
Correlation Drive Level
Aging
C3
Using External Clock Source
Pin 1
100Ω
16pF
Using External Crystal
HIGH (Above 2.0V)
HIGH (Above 2.0V)
Parameter
LOW (Below 0.8V)
LOW (Below 0.8V)
Falling Edges
Rising Edges
Enable1
Enable2
Enable1
Enable2
3
T – 400ps
0.40T 1
0.40T 1
0.45T 2
0.45T 2
TBD
Min
DC
30
1
6
Fundamental AT Cut
Parallel Resonance*
0 to 70 C
5–7pF
50 to 80Ω
100µW
5ppm/Yr (First 3 Years)
75ppm at 25 C
150pm 0 to 70 C
C1
Pin 16
Figure 2. Crystal Oscillator Interface
10pF
11.1111MHz
Typ
Value
Y1
C3
Pin 1
0.60T 1
0.60T 1
0.55T 2
0.55T 2
Max
100
400
500
50
(3rd Overtone)
4
5
4
4
4
16pF
MPC903 MPC904 MPC905
C TRAP
f FUND
Degrees
Cycles
Cycles
MHz
Unit
V/ns
ms
db
ps
+
L TRAP
2
p
T = Periods
T = Desired Period
Series Terminated
Transmission Lines
L TRAP C TRAP
Condition
1
MOTOROLA