afs600 Actel Corporation, afs600 Datasheet - Page 196

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

2.5 V GTL+
Gunning Transceiver Logic Plus is a high-speed bus standard (JESD8-3). It provides a differential amplifier input buffer
and an open-drain output buffer. The V
Table 2-144 • Minimum and Maximum DC Input and Output Levels
Figure 2-119 • AC Loading
Table 2-145 • AC Waveforms, Measuring Points, and Capacitive Loads
Table 2-146 • 2.5 V GTL+
2 -1 8 2
2.5 V GTL+
Drive Strength Min., V
33 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
– 0.1
Commercial-Case Conditions: T
–0.3
0.66
0.56
0.49
0.66
Input HIGH (V)
V
V
REF
trip
IL
V
Max., V
REF
2.21
1.88
1.65
2.21
. See
+ 0.1
– 0.1 V
Table 2-87 on page 2-151
0.04
0.04
0.03
0.04
Min., V
REF
CCI
+ 0.1
Measuring Point* (V)
J
pin should be connected to 2.5 V.
V
= 70°C, Worst-Case V
1.51
1.29
1.13
1.51
IH
Test Point
Max.,
3.6
V
A d v a n c e d v 1 . 4
1.0
0.43
0.36
0.32
0.43
Max.,
GTL+
for a complete table of trip points.
V
0.6
V
OL
2.25
1.91
1.68
2.25
V
Min., V mA
TT
V
CC
25
OH
–
10 pF
= 1.425 V, Worst-Case V
V
2.10
1.79
1.57
2.10
REF
I
33
OL
(typ.) (V)
1.0
mA
I
33
OH
Table 3-7 on page
Max., mA
V
TT
I
124
OSL
CCI
(typ.) (V)
1.5
= 2.3 V, V
1
4.48
3.81
3.35
4.48
Max., mA
I
3-9.
169
OSH
REF
4.34
3.69
3.24
4.34
= 1.0 V
C
LOAD
1
µA
10
I
10
IL
Units
(pF)
2
ns
ns
ns
µA
I
10
IH
2