MPC9449 Motorola, MPC9449 Datasheet - Page 8

• Manufacturer Part Number: MPC9449
• Description: 3.3V / 2.5 V 1:15 PECL/LVCMOS
• Manufacturer: Motorola

MPC9449
MOTOROLA
PCLK
PCLK
Figure 12. Output Transition Time Test Reference
Q X
Figure 10. Propagation delay (t PD ) test reference
The pin–to–pin skew is defined as the worst case difference in prop-
agation delay between any similar delay path within a single device
t F
Figure 8. Output–to–output Skew t SK(O)
t (LH)
V PP
t SK(O)
t (HL)
t R
Freescale Semiconductor, Inc.
V CC =3.3V
For More Information On This Product,
0.55
2.4
V CC =2.5V
Go to: www.freescale.com
1.8V
0.6V
V CC
V CC
GND
V CC
V CC
GND
V CMR
V CC
V CC
GND
B
B
B
2
2
2
8
Figure 11. Output Pulse Skew t SK(P) test reference
CCLK
CCLK
The variation in cycle time of a signal between adjacent cycles, over a
random sample of adjacent cycle pairs
Q X
Q X
Figure 9. Propagation delay (t PD ) test reference
Figure 13. Cycle–to–cycle Jitter
t (LH)
T N
t (LH)
t SK(P) = | t PLH – t PHL |
T N+1
t (HL)
t (HL)
T JIT(CC) = |T N –T N+1 |
V CC
V CC
GND
V CC
V CC
GND
V CC
V CC
GND
V CC
V CC
GND
B
B
B
B
2
2
2
2