TI380C60A Datasheet, PDF (13/16 Pages) Texas Instruments – CMOS TOKEN-RING INTERFACE DEVICE

TI380C60A
CMOS TOKEN-RING INTERFACE DEVICE
SPWS033 – DECEMBER 1996
electrical characteristics over recommended ranges of supply voltage and operating case
temperature (unless otherwise noted) (continued)
transmitter switching characteristics (see Figures 4 and 5)
PARAMETER
TEST CONDITIONS
XMT+/XMT– skew (see Note 13)
tsk(DRV) = – 1 ns
tsk(DRV) = + 1 ns
XMT+/XMT– asymmetry (see Note 14)
tsk(DRV) = – 1 ns
tsk(DRV) = + 1 ns
NOTES: 13. XMT+/XMT– skew is determined by: td(XMT+ _H) – td(XMT– _L) or td(XMT+ _L) – td(XMT– _H)
) ) ) ) 14. XMT+/XMT– asymmetry is determined by:
td(XMT _L) td(XMT– _H) td(XMT _H) td(XMT– _L)
2
–
2
MIN MAX UNIT
– 3 + 3 ns
– 3 + 3 ns
– 2 + 2 ns
– 2 + 2 ns
PARAMETER MEASUREMENT INFORMATION
DRVR+
DRVR–
XMT+
XMT–
2V
1.5 V
0.45 V
tsk(DRV)
td(XMT+L)
td(XMT– _H)
tsk(DRV)
td(XMT+H)
2.4 V
1.5 V
0.45 V
VOH(XMT+)
V50(XMT+)
VOL(XMT+)
VOH(XMT–)
V50(XMT–)
VOL(XMT–)
td(XMT– _L)
Figure 5. Transmitter Timing
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