
R
XCR3032: 32 Macrocell CPLD
9
www.xilinx.com
1-800-255-7778
DS038 (v1.3) October 9, 2000
This product has been discontinued. Please see
www.xilinx.com/partinfo/notify/pdn0007.htm
for details.
AC Electrical Characteristics
1
For Commercial Grade Devices
Commercial: 0
°
C
≤
T
AMB
≤
+ 70
°
C; 3.0V
≤
V
CC
≤
3.6V
Symbol
Parameter
8
10
12
Unit
Min. Max. Min. Max. Min. Max.
2
8
2
t
PD_PAL
Propagation delay time, input (or feedback node) to output through
PAL
Propagation delay time, input (or feedback node) to output through
PAL + PLA
Clock to out (global synchronous clock from pin)
Setup time (from input or feedback node) through PAL
Setup time (from input or feedback node) through PAL + PLA
Hold time
Clock High time
Clock Low time
Input rise time
Input fall time
Maximum FF toggle rate
2
(1/t
CH
+ t
CL
)
Maximum internal frequency
2
(1/t
SUPAL
+ t
CF
)
Maximum external frequency
2
(1/t
SUPAL
+ t
CO
)
Output buffer delay time
t
PDF_PAL
Input (or feedback node) to internal feedback node delay time
through PAL
t
PDF_PLA
Input (or feedback node) to internal feedback node delay time
through PAL + PLA
t
CF
Clock to internal feedback node delay time
t
INIT
Delay from valid V
CC
to valid reset
t
ER
t
EA
Input to output valid
t
RP
Input to register preset
t
RR
Input to register reset
Notes:
1. Specifications measured with one output switching. See
Figure 6
and
Table 2
for derating.
2 . This parameter guaranteed by design and characterization, not by test.
3. Output C
L
= 5 pF.
10
2
12
ns
t
PD_PLA
3
10.5
3
13
3
15
ns
t
CO
t
SU_PAL
t
SU_PLA
t
H
t
CH
t
CL
t
R
t
F
f
MAX1
f
MAX2
f
MAX3
t
BUF
2
7
2
9
2
11
ns
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
MHz
ns
ns
6.5
9
8.5
11.5
10.5
13.5
0
0
0
3
3
4
4
5
5
20
20
20
20
20
20
167
83
74
125
63
57
100
50
47
1.5
6.5
1.5
8.5
1.5
10.5
9
11.5
13.5
ns
5.5
50
15
15
16
19
7.5
50
17
17
18
21
9.5
50
19
19
20
23
ns
μ
s
ns
ns
ns
ns
Input to output disable
3
xcr3032.fm Page 9 Monday, October 9, 2000 6:44 PM