tc74vhc540f TOSHIBA Semiconductor CORPORATION, tc74vhc540f Datasheet - Page 5

• Manufacturer Part Number: tc74vhc540f
• Description: Octal Bus Buffer
• Manufacturer: TOSHIBA Semiconductor CORPORATION

AC Characteristics
Propagation delay
time
(TC74VHC540)
Propagation delay
time
(TC74VHC541)
3-state output enable
time
3-state output disable
time
Output to output skew
Input capacitance
Output capacitance
Power dissipation
capacitance (Note 2)
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
OL
OL
Characteristics
Characteristics
current consumption without load.
Average operating current can be obtained by the equation:
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
C
t
t
(input: t
t
t
C
t
t
t
t
t
t
osHL
osLH
C
pZH
pHZ
pLH
pHL
pLH
pHL
pZL
pLZ
OUT
PD
PD
IN
− t
(input: t
·V
CC
pLHn
·f
r
Symbol
R
R
TC74VHC540
TC74VHC541
IN
V
V
V
V
= t
|, t
L
L
OLP
OLV
IHD
ILD
= 1 kΩ
= 1 kΩ
+ I
r
osHL
f
= t
―
―
(Note 1)
= 3 ns)
CC
f
/8 (per bit)
= |t
= 3 ns)
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
3.3 ± 0.3
5.0 ± 0.5
V
―
―
CC
− t
(V)
pHLn
5
|
C
L
Test Condition
15
50
15
50
15
50
15
50
15
50
15
50
50
50
50
50
(pF)
Min
―
―
―
―
―
―
―
―
―
―
―
―
―
―
―
―
―
―
―
―
TC74VHC540,541F/FT/FK
Ta = 25°C
Typ.
11.2
4.8
7.3
3.7
5.2
5.0
7.5
3.5
5.0
6.8
9.3
4.7
6.2
6.0
17
18
―
―
4
6
V
CC
5.0
5.0
5.0
5.0
Max
10.5
10.5
10.5
14.0
15.4
7.0
5.0
7.0
7.0
5.0
7.0
7.2
9.2
8.8
1.5
1.0
10
―
―
―
(V)
Typ.
−0.7
Min
−40 to 85°C
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.7
―
―
―
―
―
―
―
―
Ta = 25°C
Ta =
2007-10-01
Limit
12.0
12.0
12.5
16.0
10.5
17.5
10.0
−1.0
Max
8.5
6.0
8.0
8.5
6.0
8.0
8.5
1.5
1.0
1.0
3.5
1.5
10
―
―
―
Unit
Unit
pF
pF
pF
ns
ns
ns
ns
ns
V
V
V
V