CY28400 Cypress Semiconductor, CY28400 Datasheet - Page 11

• Manufacturer Part Number: CY28400
• Description: 100-MHz Differential Buffer for PCI Express and SATA
• Manufacturer: Cypress Semiconductor

Document #: 38-07591 Rev. **
AC Electrical Specification
Switching Waveforms
V
∆V
V
V
V
t
t
Parameter
PD(PLL)
PD(NONPLL)
OX
OVS
UDS
RB
OX
Crossing Point Voltage at 0.7V Swing
Vcross Variation over all edges
Maximum Overshoot Voltage
Minimum Undershoot Voltage
Ring Back Voltage
Input to output skew in PLL mode
Input to output skew in Non - PLL mode Measured at crossing point V
V
OH
V
OL
= 0.525V
VCROSS
= 0.175V
IR E F
D IF C
D IF T
Description
Figure 9. Single-Ended Measurement Points for TRise and TFall
4 7 5 Ω
(continued)
3 3 Ω
3 3 Ω
Figure 8. Differential Clock Termination
T r a c e Im p e d a n c e M e a s u r e d D if f e r e n tia lly
4 9 .9 Ω
4 9 .9 Ω
Measured SE
Measured at crossing point V
T
T
P C B
P C B
TRise (CLOCK)
TFall (CLOCK)
Condition
2 p F
2 p F
M e a s u r e m e n t
M e a s u r e m e n t
OX
OX
P o in t
P o in t
Min.
250
0.2
2.5
–
–
–
–
CY28400
V
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Max.
±250
HIGH
–0.3
550
140
N/A
0.3
6.5
+
Unit
mV
mv
ps
ns
V
V
V