TC74HCT139AP/AF
TOSHIBA CMOS Digital Integrated Circuit
Silicon Monolithic
TC74HCT139AP,TC74HCT139AF
Dual 2-to-4 Line Decoder
The TC74HCT139A is a high speed CMOS 2-to-4 LINE
DECODER/DEMULTIPLEXER fabricated with silicon gate
C2MOS technology.
It achieves the high speed operation similar to equivalent
LSTTL while maintaining the CMOS low power dissipation.
This device may be used as a level converter for interfacing
TTL or NMOS to High Speed CMOS. The inputs are compatible
with TTL, NMOS and CMOS output voltage levels.
The active low enable input can be used for gating or it can be
used as a data input for demultiplexing applications.
When the enable input is held “H”, all four outputs are fixed at
a high logic level independent of the other inputs.
All inputs are equipped with protection circuits against static
discharge or transient excess voltage.
TC74HCT139AP
TC74HCT139AF
Features
•
High speed: tpd = 17 ns (typ.) at VCC = 5 V
•
Low power dissipation: ICC = 4 μA (max) at Ta = 25°C
•
Compatible with TTL outputs: VIH = 2 V (min)
•
Wide interfacing ability: LSTTL, NMOS, CMOS
•
Output drive capability: 10 LSTTL loads
•
•
Symmetrical output impedance: |IOH| = IOL = 4 mA (min)
∼ tpHL
Balanced propagation delays: tpLH −
•
Pin and function compatible with 74LS139
VIL = 0.8 V (max)
Weight
DIP16-P-300-2.54A
SOP16-P-300-1.27A
: 1.00 g (typ.)
: 0.18 g (typ.)
Pin Assignment
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TC74HCT139AP/AF
IEC Logic Symbol
Truth Table
Inputs
Enable
Outputs
Select
Y0
Y1
Y2
Y3
Selected
Output
G
B
A
H
X
X
H
H
H
H
None
L
L
L
L
H
H
H
Y0
L
L
H
H
L
H
H
Y1
L
H
L
H
H
L
H
Y2
L
H
H
H
H
H
L
Y3
X: Don’t care
Absolute Maximum Ratings (Note 1)
Characteristics
Symbol
Rating
Unit
Supply voltage range
VCC
−0.5~7
V
DC input voltage
VIN
−0.5~VCC + 0.5
V
DC output voltage
VOUT
−0.5~VCC + 0.5
V
Input diode current
IIK
±20
mA
Output diode current
IOK
±20
mA
DC output current
IOUT
±25
mA
DC VCC/ground current
ICC
±50
mA
Power dissipation
PD
500 (DIP) (Note 2)/180 (SOP)
mW
Storage temperature
Tstg
−65~150
°C
Note 1: Exceeding any of the absolute maximum ratings, even briefly, lead to deterioration in IC performance or
even destruction.
Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the
significant change in temperature, etc.) may cause this product to decrease in the reliability significantly
even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute
maximum ratings and the operating ranges.
Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook
(“Handling Precautions”/“Derating Concept and Methods”) and individual reliability data (i.e. reliability test
report and estimated failure rate, etc).
Note 2: 500 mW in the range of Ta = −40 to 65°C. From Ta = 65 to 85°C a derating factor of −10 mW/°C shall be
applied until 300 mW.
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TC74HCT139AP/AF
Operating Ranges (Note)
Characteristics
Symbol
Rating
Unit
Supply voltage
VCC
4.5~5.5
V
Input voltage
VIN
0~VCC
V
VOUT
0~VCC
V
Operating temperature
Topr
−40~85
°C
Input rise and fall time
tr, tf
0~500
ns
Output voltage
Note:
The operating ranges must be maintained to ensure the normal operation of the device.
Unused inputs must be tied to either VCC or GND.
Electrical Characteristics
DC Characteristics
Characteristics
Ta = 25°C
Test Condition
Symbol
Ta = −40~85°C
VCC (V)
Min
Typ.
Max
Min
Max
Unit
High-level input
voltage
VIH
⎯
4.5~5.5
2.0
⎯
⎯
2.0
⎯
V
Low-level input
voltage
VIL
⎯
4.5~5.5
⎯
⎯
0.8
⎯
0.8
V
High-level output
voltage
VOH
IOH = −20 μA
VIN
= VIH or VIL I
OH = −4 mA
4.5
4.4
4.5
⎯
4.4
⎯
4.5
4.18
4.31
⎯
4.13
⎯
Low-level output
voltage
VOL
IOL = 20 μA
VIN
= VIH or VIL I = 4 mA
OL
4.5
⎯
0.0
0.1
⎯
0.1
4.5
⎯
0.17
0.26
⎯
0.33
IIN
VIN = VCC or GND
5.5
⎯
⎯
±0.1
⎯
±1.0
μA
ICC
VIN = VCC or GND
5.5
⎯
⎯
4.0
⎯
40.0
μA
IC
Per input:
VIN = 0.5 V or 2.4 V
5.5
⎯
⎯
2.0
⎯
2.9
mA
Test Condition
Min
Typ.
Max
Unit
⎯
⎯
4
12
ns
⎯
⎯
15
25
⎯
⎯
14
23
Input leakage
current
Quiescent supply
current
V
V
Other input: VCC or GND
AC Characteristics (CL = 15 pF, VCC = 5 V, Ta = 25°C, input: tr = tf = 6 ns)
Characteristics
Output transition time
Symbol
tTLH
tTHL
Propagation delay time
tpLH
(A, B- Y )
tpHL
Propagation delay time
tpLH
(G -Y )
tpHL
3
ns
ns
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TC74HCT139AP/AF
AC Characteristics (CL = 50 pF, input: tr = tf = 6 ns)
Characteristics
Output transition time
Propagation delay
time
Symbol
tTLH
tTHL
tpLH
(A, B- Y )
tpHL
Propagation delay
time
tpLH
(G -Y )
tpHL
Input capacitance
CIN
Power dissipation
capacitance
CPD
Note:
(Note)
Ta = 25°C
Test Condition
Ta = −40~85°C
Unit
VCC (V)
Min
Typ.
Max
Min
Max
4.5
⎯
8
15
⎯
19
5.5
⎯
7
14
⎯
17
4.5
⎯
19
30
⎯
38
5.5
⎯
16
27
⎯
35
4.5
⎯
17
27
⎯
34
5.5
⎯
14
25
⎯
31
⎯
⎯
5
10
⎯
10
pF
⎯
⎯
40
⎯
⎯
⎯
pF
⎯
⎯
⎯
ns
ns
ns
CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating
current consumption without load.
Average operating current can be obtained by the equation:
ICC (opr) = CPD･VCC･fIN + ICC/2 (per decoder)
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TC74HCT139AP/AF
Package Dimensions
Weight: 1.00 g (typ.)
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TC74HCT139AP/AF
Package Dimensions
Weight: 0.18 g (typ.)
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2012-02-29
TC74HCT139AP/AF
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