
51
Hi R e l F P GA s
A3 21 00 DX Ti m i n g Ch ar ac te r i st i c s (continued)
(Wors t-C ase Mi litary Conditions , V CC = 4.5V, TJ = 125°C)
‘–1’ Speed
‘Std’ Speed
Parameter
Description
Min.
Max.
Min.
Max.
Units
1
tDLH
Data to Pad High
5.1
6.8
ns
tDHL
Data to Pad Low
6.3
8.3
ns
tENZH
Enable Pad Z to High
6.6
8.8
ns
tENZL
Enable Pad Z to Low
7.1
9.4
ns
tENHZ
Enable Pad High to Z
11.5
15.3
ns
tENLZ
Enable Pad Low to Z
11.5
15.3
ns
tGLH
G to Pad High
11.5
15.3
ns
tGHL
G to Pad Low
12.4
16.6
ns
tLSU
I/O Latch Output Setup
0.4
0.5
ns
tLH
I/O Latch Output Hold
0.0
ns
tLCO
I/O Latch Clock-Out (Pad-to-Pad) 32 I/O
11.5
15.4
ns
tACO
Array Latch Clock-Out (Pad-to-Pad) 32 I/O
16.3
21.7
ns
dTLH
Capacitive Loading, Low to High
0.04
0.06
ns/pF
dTHL
Capacitive Loading, High to Low
0.06
0.08
ns/pF
tWDO
Hard-Wired Wide Decode Output
0.05
0.07
ns
CMOS Output Module Timing1
tDLH
Data to Pad High
6.3
8.3
ns
tDHL
Data to Pad Low
5.1
6.8
ns
tENZH
Enable Pad Z to High
6.6
8.8
ns
tENZL
Enable Pad Z to Low
7.1
9.4
ns
tENHZ
Enable Pad High to Z
11.5
15.3
ns
tENLZ
Enable Pad Low to Z
11.5
15.3
ns
tGLH
G to Pad High
11.5
15.3
ns
tGHL
G to Pad Low
12.4
16.6
ns
tLSU
I/O Latch Setup
0.4
0.5
ns
tLH
I/O Latch Hold
0.0
ns
tLCO
I/O Latch Clock-Out (Pad-to-Pad) 32 I/O
13.7
18.2
ns
tACO
Array Latch Clock-Out (Pad-to-Pad) 32 I/O
19.2
25.6
ns
dTLH
Capacitive Loading, Low to High
0.06
0.08
ns/pF
dTHL
Capacitive Loading, High to Low
0.05
0.07
ns/pF
tWDO
Hard-Wired Wide Decode Output
0.05
0.07
ns
Notes:
1.
Delays based on 35 pF loading.
2.
SSO information can be found in the Simultaneously Switching Output Limits for Actel FPGAs application note at
http://www.actel.com/appnotes.