Data Sheet
June 1999
ORCA Series 2 FPGAs
Timing Characteristics (continued)
Table 55. Series 2 Boundary-Scan Timing Characteristics
OR2CxxA Commercial: VDD = 5.0 V ± 5%, 0 °C ≤ TA ≤ 70 °C; OR2CxxA Industrial: VDD = 5.0 V ± 10%, –40 °C ≤ TA ≤ +85 °C.
OR2TxxA Commercial: VDD = 3.0 V to 3.6 V, 0 °C ≤ TA ≤ 70 °C; OR2TxxA Industrial: VDD = 3.0 V to 3.6 V, –40 °C ≤ TA ≤ +85 °C.
OR2TxxB Commercial: VDD = 3.0 V to 3.6 V, 0 °C ≤ TA ≤ 70 °C; OR2TxxB Industrial: VDD = 3.0 V to 3.6 V, –40 °C ≤ TA ≤ +85 °C.
Parameter
TDI/TMS to TCK Setup Time
TDI/TMS Hold Time from TCK
TCK Low Time
Symbol
TS
Min
25
0
Max
—
Unit
ns
TH
—
ns
TCL
50
50
—
—
—
ns
TCK High Time
TCH
TD
—
ns
TCK to TDO Delay
20
10
ns
TCK Frequency
TTCK
MHz
TCK
TS
TH
TMS
TDI
TD
TDO
BSTD(F).2c.r3
Figure 73. Boundary-Scan Timing Diagram
168
Lucent Technologies Inc.
ETC [ ETC ]
