SSTL Data Rate with DLL
Output standard = SSTL 3 Class 2
(OBUF_SSTL3_II)
Temp=100C, Vdd=2.375V, Vcco=3.3V, Vtt=1.5V
Waveforms:
1: CLKIN
2: DATA OUT (no DLL)
3: DATA OUT (DLL deskewed)
Timing
w/o DLL w/ DLL
r->r r->f r->r r->f
3.5n 3.8n 1.1n 1.3n
1.3 ns measured clock-to-output delay
much lower noise than LVTTL
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