TC74VHC238FT Toshiba, TC74VHC238FT Datasheet - Page 5

• Manufacturer Part Number: TC74VHC238FT
• Manufacturer: Toshiba

Specifications of TC74VHC238FT

• Logical Function: Decoder/Demux
• Logic Family: VHC
• Number Of Elements: 1
• Polarity: Non-Inverting
• Number Of Inputs: 3
• Number Of Outputs: 8
• Propagation Delay Time: 18.5ns
• Package Type: TSSOP
• High Level Output Current: -8mA
• Low Level Output Current: 8mA
• Operating Supply Voltage (typ): 2.5/3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 16
• Quiescent Current: 4uA
• Technology: CMOS
• Lead Free Status / Rohs Status: Compliant

Input Equivalent Circuit
INPUT
AC Characteristics
Propagation delay
time
(A, B, C-Y)
Propagation delay
time
(G1-Y)
Propagation delay
time
( 2
Input capacitance
Power dissipation
capacitance
Note: C
G -Y)
Characteristics
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
PD
Symbol
(input: t
C
t
t
t
t
t
t
C
pLH
pHL
pLH
pHL
pLH
pHL
·V
PD
IN
CC
·f
IN
r
+ I
= t
CC
f
―
―
―
= 3 ns)
Test Condition
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
(V)
5
C
L
15
50
15
50
15
50
15
50
15
50
15
50
(Note)
(pF)
Min
―
―
―
―
―
―
―
―
―
―
―
―
―
―
TC74VHC238F/FN/FT/FK
Ta = 25°C
Typ.
10.5
10.6
10.6
8.0
5.5
7.0
8.1
5.4
6.9
8.1
5.7
7.2
37
4
Max
12.3
15.8
10.1
12.8
16.3
10.1
12.3
15.8
10.1
8.1
8.1
8.1
―
―
Min
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Ta = −40 to
―
―
85°C
2007-10-01
14.5
18.0
11.5
15.0
18.5
11.5
14.5
18.0
11.5
Max
9.5
9.5
9.5
10
―
Unit
pF
pF
ns
ns
ns