Octal Buffers Transceiver
T
ABLE
5. 54BCT245 DC E
LECTRICAL
C
HARACTERISTICS
(V
CC
= 5V ±10%, T
A
= -55
°
C
TO
125
°
C,
UNLESS OTHERWISE SPECIFIED
)
P
ARAMETER
Supply Current, Outputs Dis-
abled to High Impedance State
Input Capacitance
Input Output Capacitance
S
YMBOL
I
CCZ
C
i3
C
io3
V
CC
= 5.5 V
V
I
= 2.5 V or Control Input V
CC
= 5.5 V
0.5V
V
CC
= 5.5 V
A to B
B to A
V
I
= 2.5 V or
0.5 V
T
EST
C
ONDITIONS
S
UBGROUPS
1, 2, 3
1, 2, 3
54BCT245
M
IN
--
M
AX
15
7
9
12
U
NIT
mA
pF
pF
1. For I/O ports, the parameters I
IH
and I
IL
include the off-state output current.
2. Not more than one output should be shorted at one time and the duration of test shall not exceed one second.
3. Guaranteed by design.
T
ABLE
6. 54BCT245 AC E
LECTRICAL
C
HARACTERISTICS
Memory
(V
CC
= 5V ±10%, T
A
= -55
°
C
TO
125
°
C,
UNLESS OTHERWISE SPECIFIED
)
P
ARAMETER
Propagation Delay Time
from A or B to B or A
S
YMBOL
t
PLH
t
PHL
t
PLH
t
PHL
Output Enable Time
OE to Yn
t
PZH
t
PZL
t
PZH
t
PZL
Output Disable Time
OE to Yn
t
PHZ
t
PLZ
t
PHZ
t
PLZ
T
EST
C
ONDITIONS
V
CC
= 4.5 to 5.5 V
R
1
= 500
Ω
T
A
= -55 to +125
°
C
V
CC
= 5.0 V
R
1
= 500
Ω
T
A
= +25
°
C
V
CC
= 4.5 to 5.5 V
R
1
= 500
Ω
T
A
= -55 to +125
°
C
V
CC
= 5.0 V
R
1
= 500
Ω
T
A
= +25
°
C
V
CC
= 4.5 to 5.5 V
R
1
= 500
Ω
T
A
= -55 to +125
°
C
V
CC
= 5.0 V
R
1
= 500
Ω
T
A
= +25
°
C
C
L
= 50 pF
R
2
= 500
Ω
C
L
= 50 pF
R
2
= 500
Ω
9, 10, 11
C
L
= 50 pF
R
2
= 500
Ω
C
L
= 50 pF
R
2
= 500
Ω
9, 10, 11
C
L
= 50 pF
R
2
= 500
Ω
C
L
= 50 pF
R
2
= 500
Ω
S
UBGROUPS
9, 10, 11
M
IN
1
1.5
1
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
M
AX
7.2
7.6
6
6.6
11.2
11.8
9.4
10.2
9.7
9.6
8.3
7.8
ns
ns
U
NIT
ns
7.25.02 Rev 1
All data sheets are subject to change without notice
4
©2002 Maxwell Technologies
All rights reserved.
MAXWELL [ MAXWELL TECHNOLOGIES ]
