R
XCR3128XL 128 Macrocell CPLD
Switching Characteristics
VCC
S1
Component
R1
R2
C1
V
OUT
R2
C1
Values
390Ω
390Ω
35 pF
R1
V
IN
Measurement
T
POE (High)
T
POE (Low)
T
P
S1
Open
Closed
Closed
S2
Closed
Open
Closed
S2
Note:
For T
POD
, C1 = 5 pF. Delay measured at
output level of V
OL
+ 300 mV, V
OH
– 300 mV.
DS016_03_102401
Figure 3:
AC Load Circuit
7.4
7.2
7.0
6.8
6.6
ns
+3.0V
90%
10%
0V
6.4
6.2
6.0
5.8
5.6
1
2
4
8
16
Number of Adjacent Outputs Switching
DS016_04_042800
T
R
1.5 ns
T
L
1.5 ns
Measurements:
All circuit delays are measured at the +1.5V level of
inputs and outputs, unless otherwise specified.
DS016_05_042800
Figure 5:
Voltage Waveform
Figure 4:
Derating Curve for T
PD2
DS016 (v1.8) January 8, 2002
Preliminary Product Specification
1-800-255-7778
5
XILINX [ XILINX, INC ]
