Philips Semiconductors
Product specification
FB2041
7-bit Futurebus+ transceiver
1995 May 25
9
AC ELECTRICAL CHARACTERISTICS
(Industrial)
A PORT LIMITS
SYMBOL
PARAMETER
TEST
CONDITION
T
amb
= +25
°
C, V
= 5V,
L
= 50pF, R
L
= 500
T
amb
= -40 to +85
°
C,
= 5V
±
10%,
C
L
= 50pF, R
L
= 500
MIN
1.6
1.6
1.5
1.5
0.8
1.2
1.5
1.5
UNIT
MIN
1.8
1.6
2.2
2.0
1.5
1.5
1.5
1.5
TYP
3.4
3.2
5.0
4.0
3.3
3.0
2.2
2.4
MAX
5.0
4.9
6.5
6.5
4.8
5.0
3.0
3.0
MAX
5.5
5.5
8.0
8.0
6.0
6.0
3.5
3.5
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
t
TLH
t
THL
Propagation delay,
Bn to AOn
Output enable time,
OEA to AOn
Output disable time,
OEA to AOn
Transition time, AOn Port
(10% to 90% or 90% to 10%)
Output skew between receivers
in same package
1
Waveform 1, 2
ns
Waveform 4, 5
ns
Waveform 4, 5
ns
Test Circuit and
Waveforms
ns
t
SK
(o)
Waveform 3
0.4
1.0
1.0
ns
B PORT LIMITS
SYMBOL
PARAMETER
TEST CONDITION
T
amb
= +25
°
C, V
CC
= 5V,
D
= 30pF, R
U
T
amb
= -40 to +85
°
C,
= 5V
±
10%,
C
D
= 30pF, R
U
= 9
1.9
1.5
1.9
1.8
1.9
1.5
1.0
0.5
UNIT
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
TLH
t
THL
Propagation delay,
AIn to Bn
Enable/disable time,
OEB0 to Bn
Enable/disable time,
OEB1 to Bn
Transition time, Bn Port
(1.3V to 1.8V)
Output skew between drivers in
same package
1
PARAMETER
Propagation delay,
AIn to Bn
Enable/disable time,
OEB0 to Bn
Enable/disable time,
OEB1 to Bn
Transition time, Bn Port
(1.3V to 1.8V)
Output skew between drivers in
same package
1
Waveform 1, 2
2.4
1.5
2.4
1.9
2.4
1.9
1.0
0.5
3.7
2.7
3.7
3.5
4.0
3.6
1.4
1.1
4.9
4.4
4.9
4.9
5.5
5.5
3.0
3.0
5.9
5.0
6.4
5.9
6.8
6.8
3.0
3.0
ns
Waveform 2
ns
Waveform 1
ns
Test Circuit and
Waveforms
ns
t
SK
(o)
Waveform 3
0.3
1.0
1.0
ns
SYMBOL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
TLH
t
THL
TEST CONDITION
R
U
= 16.5
3.8
2.8
3.8
3.6
4.1
3.7
1.5
1.1
R
U
= 16.5
2.0
1.6
2.0
1.9
2.0
1.6
1.0
0.5
UNIT
Waveform 1, 2
2.5
1.6
2.5
2.0
2.5
2.0
1.0
0.5
5.0
4.5
5.0
5.0
5.5
5.5
3.0
3.0
6.0
5.1
6.5
6.0
6.9
6.9
3.0
3.0
ns
Waveform 2
ns
Waveform 1
ns
Test Circuit and
Waveforms
ns
t
SK
(o)
Waveform 3
0.3
1.0
1.0
ns
NOTES:
1.
t
actual – t
actual
for any data input to output path compared to any other data input to output path where N and M are either LH or
HL. Skew times are valid only under same test conditions (temperature, V
CC
, loading, etc.).