XCR3256XL 256 Macrocell CPLD
R
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
Note:
For T
POD
, C1 = 5 pF
S2
DS013_03_050200
Figure 3:
AC Load Circuit
7.5
7.4
7.3
7.2
7.1
7.0
6.9
6.8
6.7
6.6
6.5
6.4
6.3
1
2
4
8
16
+3.0V
90%
(ns)
10%
0V
T
R
1.5 ns
T
L
1.5 ns
Number of Adjacent Outputs Switching
DS013_04_042800
Measurements:
All circuit delays are measured at the +1.5V level of
inputs and outputs, unless otherwise specified.
DS017_05_042800
Figure 4:
Derating Curve for T
PD2
Figure 5:
Voltage Waveform
6
1-800-255-7778
DS013 (v1.2) May 3, 2000
Preliminary Product Specification
XILINX [ XILINX, INC ]
