tc74vhc245f TOSHIBA Semiconductor CORPORATION, tc74vhc245f Datasheet - Page 4

• Manufacturer Part Number: tc74vhc245f
• Description: Octal Bus Transceiver
• Manufacturer: TOSHIBA Semiconductor CORPORATION

AC Characteristics
Propagation delay
time
3-state output enable
time
3-state output disable
time
Output to output skew
Input capacitance
Bus input capacitance
Power dissipation
capacitance
Note 1: Parameter guaranteed by design.
Note 2: C
Noise Characteristics
Quiet output maximum dynamic
V
Quiet output minimum dynamic
V
Minimum high level dynamic input
voltage
Maximum low level dynamic input
voltage
Note:
OL
OL
Characteristics
Characteristics
current consumption without load.
Average operating current can be obtained by the equation:
The value in ( ) only applies to JEDEC SOP (FW) devices.
PD
t
I
is defined as the value of the internal equivalent capacitance which is calculated from the operating
osLH
CC (opr)
= |t
= C
pLHm
Symbol
t
t
(input: t
t
t
C
t
t
t
t
osLH
osHL
C
C
pZH
pHZ
pLH
pHL
pZL
pLZ
PD
PD
I/O
IN
− t
(input: t
·V
CC
pLHn
·f
r
Symbol
R
R
DIR, G
A
IN
V
V
V
V
= t
|, t
L
L
n
OLP
OLV
IHD
, Bn
ILD
= 1 kΩ
= 1 kΩ
+ I
r
osHL
f
= t
―
(Note 1)
= 3 ns)
CC
f
/8 (per bit)
= |t
= 3 ns) (Note)
Test Condition
C
C
C
C
pHLm
L
L
L
L
= 50 pF
= 50 pF
= 50 pF
= 50 pF
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
V
CC
− t
(V)
pHLn
4
|
C
(Note 2)
L
Test Condition
15
50
15
50
15
50
15
50
50
50
50
50
(pF)
Min
―
―
―
―
―
―
―
―
―
―
―
―
―
―
―
Ta = 25°C
Typ.
11.0
11.5
5.8
8.3
4.0
5.5
8.5
5.8
7.3
7.0
21
―
―
4
8
TC74VHC245F/FT/FK
V
CC
5.0
5.0
5.0
5.0
Max
11.9
13.2
16.7
10.6
15.8
8.4
5.5
7.5
8.5
9.7
1.5
1.0
10
―
―
(V)
(−0.9)
(0.9)
Typ.
−0.7
Min
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.7
Ta = −40 to
―
―
―
―
―
―
―
Ta = 25°C
85°C
2007-10-01
(−1.2)
(1.2)
10.0
13.5
15.5
19.0
10.0
12.0
18.0
11.0
−1.0
Max
Max
6.5
8.5
1.5
1.0
1.0
3.5
1.5
10
―
―
Unit
Unit
pF
pF
pF
ns
ns
ns
ns
V
V
V
V