Datasheet

SN74ABTE16245
16-BIT INCIDENT-WAVE SWITCHING BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCBS226H – JULY 1993 – REVISED JUNE 2001
4–8
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
extended switching characteristics over recommended ranges of supply voltage and operating
free-air temperature, C
L
= 50 pF (unless otherwise noted) (see Figure 2)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
V
CC
= 5 V,
T
A
= 25°C
MIN MAX UNIT
(INPUT)
(OUTPUT)
MIN TYP MAX
t
PLH
B
A
R
X
=13Ω
1.5 3.2 4 1.5 4.8
ns
t
PHL
B
A
R
X
=
13
Ω
1.5 3.8 4.7 1.5 5.6
ns
t
PLH
B
A
R
X
=26Ω
1.5 3.1 4 1.5 4.6
ns
t
PHL
B
A
R
X
=
26
Ω
1.5 3.5 4.4 1.5 4.9
ns
t
PLH
B
A
R
X
=56Ω
1.5 3 3.8 1.5 4.5
ns
t
PHL
B
A
R
X
=
56
Ω
1.5 3.3 4.2 1.5 4.7
ns
B A R
X
= Open 0.1 0.6 2
t
sk
(
p
)
A B 0.4 0.8 2
ns
sk( )
B A R
X
= 26 Ω 0.3 0.8 2
B A R
X
= Open 0.3 0.7 1.3
t
sk
(
o
)
A B 0.7 1.1 1.3
ns
sk(o)
B A R
X
= 26 Ω 0.5 1 1.3
t
t
†
B A R
X
= 26 Ω 0.5 0.8 1.5 0.5 1.5 ns
t
t
‡
A B
Rise or fall time
10%–90%
3.5 5.5 7.3 3.5 7.9 ns
†
t
t
is measured between 1 V and 2 V of the output waveform.
‡
t
t
is measured between 10% and 90% of the output waveform.
extended output characteristics over recommended ranges of supply voltage and operating
free-air temperature, C
L
= 50 pF (see Figures 1 and 2)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
TEST CONDITIONS LOAD MIN MAX UNIT
t
k(t )
A B
V
CC
= constant,
2.5
ns
t
sk(temp)
B A
CC
,
∆T
A
= 20°C
R
X
= 56 Ω 4
ns
t
sk(load)
B B
V
CC
= constant,
Temperature = constant
R
X
= 13, 26, or 56 Ω 4 ns