MPC9456 Freescale Semiconductor, MPC9456 Datasheet - Page 8

• Manufacturer Part Number: MPC9456
• Description: 2.5V AND 3.3V LVCMOS CLOCK FANOUT BUFFER
• Manufacturer: Freescale Semiconductor

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MPC9456
MOTOROLA
The time from the PLL controlled edge to the non controlled
edge, divided by the time between PLL controlled edges,
expressed as a percentage
Figure 11. Output Transition Time test reference
t F
Figure 7. Output Transition Time Test Reference
t F
Figure 9. Output Duty Cycle (DC)
t P
Pulse Generator
Differential
Figure 6. PCLK MPC9456 AC test reference for V cc = 3.3V and V cc = 2.5V
Z = 50
T 0
DC = t P /T 0 x 100%
W
t R
Freescale Semiconductor, Inc.
t R
V CC =3.3V
For More Information On This Product,
V CC – 2V
0.55
2.4
V CC =3.3V
Z O = 50
0.55
2.4
V CC =2.5V
R T = 50
V CC
V CC
GND
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1.8V
0.6V
V CC =2.5V
B
1.8V
0.6V
2
MPC9456 DUT
8
PCLK
PCLK
Q X
Figure 10. Output–to–output Skew t SK(O)
Figure 8. Propagation delay (t PD ) test reference
The pin–to–pin skew is defined as the worst case difference
in propagation delay between any similar delay path within a
single device
Z O = 50
t (LH)
V PP
R T = 50
t SK(LH)
t (HL)
V TT
TIMING SOLUTIONS
t SK(HL)
V CC
V CC
GND
V OH
V CC
GND
V CMR
V CC
V CC
GND
B
B
B
2
2
2