asm2i99456 PulseCore Semiconductor, asm2i99456 Datasheet - Page 8

• Manufacturer Part Number: asm2i99456
• Description: 3.3v/2.5v Lvcmos Clock Fanout Buffer
• Manufacturer: PulseCore Semiconductor

t
November 2006
rev 0.3
F
Figure 5. Output Transition Time Test Reference
Figure 9. Output Transition Time Test Reference
The time from the output controlled edge to the
non-controlled edge, divided by the time output
controlled edge, expressed as a percentage.
Figure 7. Output Duty Cycle (DC)
t
F
Figure 3. Optimized Dual Line Termination
Pulse Generator
Figure 4. PCLK ASM2I99456 AC Test Reference for VCC = 3.3V and VCC = 2.5V
t
P
Differential
Z=50
V
T
Ω
0
CC
– 2V
t
R
DC (t
t
R
V
Notice: The information in this document is subject to change without notice.
P
3.3V/2.5V LVCMOS Clock Fanout Buffer
CC
Z
÷T
2.4
0.55
0
=50
= 3.3V V
R
0
V
Χ 100%)
T
CC
Ω
=50
2.4
0.55
= 3.3V V
Ω
CC
1.8V
= 2.5V
0.6V
V
V
GND
CC
CC
CC
÷2
= 2.5V
1.8V
0.6V
ASM2I99456 DUT
PCLK
PCLK
Q
X
Figure 6. Propagation Delay (t
The pin-to-pin skew is defined as the worst case
difference in propagation delay between any similar
delay path within a single device
Figure 8. Output-to- Output Skew t
t
P(LH)
Z
V
0
PP
=50
Ω
R
T
=50
t
SK(LH)
Ω
t
P(HL)
V
ASM2I99456
TT
PD
) Test Reference
t
8 of 14
SK(HL)
SK(O)
V
V
GND
CC
CC
V
V
GND
V
OH
CC
÷2
CMR
V
V
GND
CC
CC
÷2
÷2