tc74act257f TOSHIBA Semiconductor CORPORATION, tc74act257f Datasheet - Page 4

• Manufacturer Part Number: tc74act257f
• Description: 2-channel Multiplexer
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Electrical Characteristics
DC Characteristics
High-level input
voltage
Low-level input
voltage
High-level output
voltage
Low-level output
voltage
3-state output
off-state current
Input leakage
current
Quiescent supply
current
Note:
AC Characteristics
Propagation delay
time
(A, B-Y)
Propagation delay
time
(SELECT-Y)
Output enable time
Output disable time
Input capacitance
Output capacitance
Power dissipation
capacitance
Note:
Characteristics
Characteristics
This spec indicates the capability of driving 50 Ω transmission lines.
One output should be tested at a time for a 10 ms maximum duration.
C
current consumption without load.
Average operating current can be obtained by the equation:
PD
I
is defined as the value of the internal equivalent capacitance which is calculated from the operating
CC
(opr) = C
Symbol
V
V
V
I
I
V
I
OZ
CC
I
OH
OL
IN
Symbol
C
IH
IL
C
(C
t
t
C
t
t
t
t
t
t
C
pZH
pHZ
pLH
pHL
pLH
pHL
pZL
pLZ
OUT
PD
PD
IN
L
(Note)
･V
= 50 pF, R
CC
V
= V
V
V
= V
V
V
V
V
V
Per input: V
Other input: V
IN
IL
IN
IL
IN
OUT
IN
IN
･f
IH
IH
= V
= V
= V
IN
or
or
= V
IH
CC
CC
+ I
CC
I
I
I
I
I
I
or V
L
OH
OH
OH
OL
OL
OL
CC
or GND
or GND
IN
= 500 Ω, input: t
or GND
Test Condition
= 50 μA
= 24 mA
= 75 mA
CC
= −50 μA
= −24 mA
= −75 mA
IL
/4 (per bit)
= 3.4 V
Test Condition
⎯
⎯
⎯
⎯
⎯
⎯
or GND
⎯
⎯
⎯
4
(Note)
(Note)
5.0 ± 0.5
5.0 ± 0.5
5.0 ± 0.5
5.0 ± 0.5
V
CC
r
4.5 to
4.5 to
= t
V
(V)
5.5
5.5
4.5
4.5
5.5
4.5
4.5
5.5
5.5
5.5
5.5
5.5
(V)
CC
f
= 3 ns)
3.94
Min
Min
2.0
4.4
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
Ta = 25°C
Ta = 25°C
Typ.
Typ.
4.5
0.0
6.5
7.8
6.3
6.3
10
57
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
5
TC74ACT257P/F/FN
Max
0.36
±0.5
±0.1
1.35
Max
11.4
0.8
0.1
8.0
9.6
9.6
8.8
10
⎯
⎯
⎯
⎯
⎯
⎯
⎯
3.80
3.85
Min
Min
2.0
4.4
1.0
1.0
1.0
1.0
Ta = −40 to
Ta = −40 to
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
85°C
85°C
2007-10-01
0.44
1.65
±5.0
±1.0
80.0
11.0
13.0
11.0
10.0
Max
Max
0.8
0.1
1.5
10
⎯
⎯
⎯
⎯
⎯
⎯
Unit
Unit
mA
μA
μA
μA
pF
pF
pF
ns
ns
ns
ns
V
V
V
V