CY28359 Datasheet, PDF (6/7 Pages) Cypress Semiconductor – 273-MHz 6-Output Buffer for DDR400 DIMMS

Switching Waveforms
Duty Cycle Timing
t₁
t₂
CY28359
Output-Output Skew
OUTPUT
OUTPUT
t₄
Figure 1 shows the differential clock directly terminated by a 120:resistor.
V_CC
V_CC
Device _Out
Under
Test
Out
) ^60:
) ^60:
VTR
R_T =120:
VCP
Receiver
Figure 1. Differential Signal Using Direct Termination Resistor
Ordering Information
Ordering Code
CY28359OC
CY28359OCT
CY28359OI
CY28359OIT
Package Type
28-pin SSOP
28-pin SSOP (Tape & Reel)
28-pin SSOP
28-pin SSOP (Tape & Reel)
Operating Range
Commercial, 0°C to 70 °C
Commercial, 0°C to 70 °C
Industrial, –40°C to 85 °C
Industrial, –40°C to 85 °C
Rev 1.0, November 24, 2006
Page 6 of 7