afs600 Actel Corporation, afs600 Datasheet - Page 193

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

Voltage Referenced I/O Characteristics
3.3 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 2-135 • Minimum and Maximum DC Input and Output Levels
Figure 2-116 • AC Loading
Table 2-136 • AC Waveforms, Measuring Points, and Capacitive Loads
Table 2-137 • 3.3 V GTL
3.3 V GTL
Drive
Strength
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
Timing Characteristics
– 0.05
3
Min., V
Commercial-Case Conditions: T
–0.3
t
0.66
0.56
0.49
DOUT
V
Input HIGH (V)
IL
V
Max., V
REF
V
REF
trip
– 0.05 V
+ 0.05
. See
2.08
1.77
1.55
t
DP
Table 2-87 on page 2-151
Min., V
REF
CCI
+ 0.05
pin should be connected to 3.3 V.
t
0.04
0.04
0.03
DIN
Measuring Point* (V)
V
J
IH
= 70°C, Worst-Case V
Max., V
2.93
2.50
2.19
Test Point
t
3.6
PY
0.8
A d v an c ed v1 . 4
t
GTL
0.43
0.36
0.32
EOUT
Max., V Min., V mA mA Max., mA
for a complete table of trip points.
V
0.4
OL
V
TT
2.04
1.73
1.52
CC
t
25
ZL
10 pF
= 1.425 V, Worst-Case V
V
V
REF
OH
–
(typ.) (V)
0.8
2.08
1.77
1.55
t
ZH
I
25
OL
Actel Fusion Programmable System Chips
I
25
OH
t
LZ
Table 3-7 on page
V
I
TT
181
OSL
CCI
(typ.) (V)
t
HZ
1.2
= 3.0 V, V
1
Max., mA
4.27
3.63
3.19
t
ZLS
I
3-9.
268
OSH
REF
C
t
= 0.8 V
4.31
3.67
3.22
LOAD
ZHS
1
10
µA
10
I
IL
(pF)
Units
2
2-179
ns
ns
ns
µA
I
10
IH
2