afs600 Actel Corporation, afs600 Datasheet - Page 194

• 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 is a high-speed bus standard (JESD8-3). It provides a differential amplifier input buffer and
an open-drain output buffer. The V
Table 2-138 • Minimum and Maximum DC Input and Output Levels
Figure 2-117 • AC Loading
Table 2-139 • AC Waveforms, Measuring Points, and Capacitive Loads
Table 2-140 • 2.5 V GTL
2 -1 8 0
2.5 GTL
Drive Strength Min., V
25 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.
3. Output drive strength is below JEDEC specification.
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
– 0.05
3
Commercial-Case Conditions: T
–0.3
t
0.66
0.56
0.49
DOUT
Input HIGH (V)
V
V
trip
REF
IL
V
Max., V
REF
. See
+ 0.05
2.13
1.81
1.59
– 0.05 V
t
DP
Table 2-87 on page 2-151
CCI
pin should be connected to 2.5 V.
Min., V
REF
t
0.04
0.04
0.03
DIN
+ 0.05
Measuring Point* (V)
J
= 70°C, Worst-Case V
V
2.46
2.09
1.83
Test Point
t
IH
PY
Max., V Max., V Min., V mA mA Max., mA
0.8
A d v a n c e d v 1 . 4
3.6
t
GTL
0.43
0.36
0.32
EOUT
for a complete table of trip points.
V
V
0.4
OL
TT
CC
2.16
1.84
1.61
t
25
ZL
10 pF
= 1.425 V, Worst-Case V
V
V
REF
OH
–
2.13
1.81
1.59
t
(typ.) (V)
ZH
0.8
I
25 25
OL
I
OH
t
Table 3-7 on page
LZ
V
TT
I
CCI
124
OSL
(typ.) (V)
t
HZ
1.2
= 3.0 V, V
1
Max., mA
4.40
3.74
3.28
t
ZLS
3-9.
I
169
REF
OSH
C
= 0.8 V
t
4.36
3.71
3.26
LOAD
ZHS
1
10
µA
I
10
IL
(pF)
Units
2
ns
ns
ns
µA
I
10
IH
2