TC74VHC238FT Toshiba, TC74VHC238FT Datasheet - Page 2

• 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

Pin Assignment
IEC Logic Symbol
Truth Table
X: Don’t care
G
G
G1
H
H
H
H
H
H
H
H
L
X
X
2A
2B
G1
A
B
C
G
G
GND
2A
2B
G1
Enable
Y7
G
C
A
B
(1)
(2)
(3)
(6)
(4)
(5)
H
X
X
2
L
L
L
L
L
L
L
L
A
1
2
3
4
5
6
7
8
G
&
1
2
4
X
X
H
L
L
L
L
L
L
L
L
2
B
Inputs
BIN/OCT
EN
(top view)
C
X
X
X
H
H
H
H
L
L
L
L
Select
0
1
2
3
4
5
6
7
H
H
H
H
B
X
X
X
L
L
L
L
16
15
14
13
12
11
10
9
(15)
(14)
(13)
(12)
(11)
(10)
(9)
(7)
A
X
X
X
H
H
H
H
L
L
L
L
V
Y0
Y1
Y2
Y3
Y4
Y5
Y6
CC
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y0
H
L
L
L
L
L
L
L
L
L
L
Y1
H
L
L
L
L
L
L
L
L
L
L
2
Y2
H
L
L
L
L
L
L
L
L
L
L
G
G
2A
2B
G1
Y3
C
A
B
H
L
L
L
L
L
L
L
L
L
L
Outputs
(1)
(2)
(3)
(6)
(4)
(5)
Y4
H
L
L
L
L
L
L
L
L
L
L
TC74VHC238F/FN/FT/FK
&
1
2
Y5
H
L
L
L
L
L
L
L
L
L
L
G
DMUX
0
7
Y6
H
L
L
L
L
L
L
L
L
L
L
0
1
2
3
4
5
6
7
Y7
H
L
L
L
L
L
L
L
L
L
L
(15)
(14)
(13)
(12)
(11)
(10)
(9)
(7)
2007-10-01
Selected
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Output
None
None
None
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7