Data Sheet
June 1999
ORCA Series 3C and 3T FPGAs
Timing Characteristics (continued)
Table 51. Boundary-Scan Timing Characteristics
<
<
<
<
+85 °C.
DD
A
DD
A
OR3Cxx Commercial: V
= 5.0 V ± 5%, 0 °C
T
70 °C; Industrial: V
= 5.0 V ± 10%, –40 °C
T
DD = 3.0 V to 3.6 V, 0 °C < TA < 70 °C; Industrial: VDD = 3.0 V to 3.6 V, –40 °C < TA < +85 °C.
OR3Txxx Commercial: V
Parameter
Symbol
Min
25.0
0.0
Max
—
Unit
ns
S
TDI/TMS to TCK Setup Time
TDI/TMS Hold Time from TCK
TCK Low Time
T
T
H
—
ns
CL
T
50.0
50.0
—
—
ns
CH
TCK High Time
T
—
ns
D
TCK to TDO Delay
TCK Frequency
T
20.0
10.0
ns
TCK
T
—
MHz
TCK
TS
TH
TMS
TDI
TD
TDO
5-6764(F)
Figure 75. Boundary-Scan Timing Diagram
122
Lucent Technologies Inc.
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