afs600 Actel Corporation, afs600 Datasheet - Page 202

• Manufacturer Part Number: afs600
• Description: Actel Fusion Programmable System Chips Mixed-signal Family With Optional Arm Support
• Manufacturer: Actel Corporation

SSTL3 Class II
Stub-Speed Terminated Logic for 3.3 V memory bus standard (JESD8-8). Fusion devices support Class II. This provides a
differential amplifier input buffer and a push-pull output buffer.
Table 2-162 • Minimum and Maximum DC Input and Output Levels
Figure 2-125 • AC Loading
Table 2-163 • AC Waveforms, Measuring Points, and Capacitive Loads
Table 2-164 • SSTL3- Class II
2 -1 8 8
SSTL3 Class II
Drive Strength Min., V
21 mA
Notes:
1. Currents are measured at high temperature (100°C junction temperature) and maximum voltage.
2. Currents are measured at 85°C junction temperature.
Input LOW (V)
V
Note: *Measuring point = V
Speed Grade
Std.
–1
–2
Note: For the derating values at specific junction temperature and voltage supply levels, refer to
REF
Actel Fusion Programmable System Chips
Timing Characteristics
– 0.2
Commercial-Case Conditions: T
t
0.66
0.56
0.49
DOUT
–0.3
V
Input HIGH (V)
trip
IL
V
Max., V
2.07
1.76
1.54
t
REF
. See
DP
V
REF
– 0.2 V
Table 2-87 on page 2-151
+ 0.2
t
0.04
0.04
0.03
DIN
Min., V
REF
+ 0.2
J
= 70°C, Worst-Case V
1.25
1.06
0.93
V
Test Point
t
PY
IH
Measuring Point* (V)
Max., V Max., V Min., V mA mA Max., mA
3.6
A d v a n c e d v 1 . 4
t
0.43
0.36
0.32
EOUT
1.5
SSTL3
Class II
for a complete table of trip points.
25
V
0.5
OL
2.10
1.79
1.57
t
ZL
CC
V
V
TT
= 1.425 V, Worst-Case V
CCI
25
V
30 pF
OH
1.67
1.42
1.25
– 0.9 21 21
t
ZH
V
REF
I
OL
(typ.) (V)
1.5
t
LZ
I
OH
Table 3-7 on page
t
I
HZ
109
OSL
CCI
V
TT
= 3.0 V, V
(typ.) (V)
1.485
1
4.34
3.69
3.24
t
ZLS
Max., mA
3-9.
I
103
OSH
REF
t
3.91
3.32
2.92
= 1.5 V
ZHS
C
LOAD
1
µA
30
10
I
IL
Units
2
(pF)
ns
ns
ns
µA
I
10
IH
2