74VHC125; 74VHCT125
Quad buffer/line driver; 3-state
Rev. 02 — 13 October 2009
Product data sheet
1. General description
The 74VHC125; 74VHCT125 are high-speed Si-gate CMOS devices and are pin
compatible with Low-power Schottky TTL (LSTTL). They are specified in compliance with
JEDEC standard JESD7-A.
The 74VHC125; 74VHCT125 provides four non-inverting buffer/line drivers with 3-state
outputs. The 3-state outputs (nY) are controlled by the output enable input (nOE). A HIGH
at nOE causes the outputs to assume a high-impedance OFF-state.
The 74VHC125; 74VHCT125 are identical to the 74VHC126; 74VHCT126 but have active
LOW enable inputs.
2. Features
I
I
I
I
Balanced propagation delays
All inputs have a Schmitt-trigger action
Inputs accepts voltages higher than V
CC
Input levels:
N
The 74VHC125 operates with CMOS logic levels
N
The 74VHCT125 operates with TTL logic levels
I
ESD protection:
N
HBM JESD22-A114E exceeds 2000 V
N
MM JESD22-A115-A exceeds 200 V
N
CDM JESD22-C101C exceeds 1000 V
I
Multiple package options
I
Specified from
−40 °C
to +85
°C
and from
−40 °C
to +125
°C
3. Ordering information
Table 1.
Ordering information
Package
Temperature range
74VHC125D
74VHCT125D
74VHC125PW
74VHCT125PW
74VHC125BQ
74VHCT125BQ
−40 °C
to +125
°C
−40 °C
to +125
°C
TSSOP14
−40 °C
to +125
°C
Name
SO14
Description
plastic small outline package; 14 leads;
body width 3.9 mm
plastic thin shrink small outline package; 14 leads;
body width 4.4 mm
Version
SOT108-1
SOT402-1
SOT762-1
Type number
DHVQFN14 plastic dual in-line compatible thermal enhanced very
thin quad flat package; no leads; 14 terminals;
body 2.5
×
3
×
0.85 mm
Nexperia
74VHC125; 74VHCT125
Quad buffer/line driver; 3-state
4. Functional diagram
2
1
5
4
9
10
12
13
1A
1OE
2A
2OE
1Y
3
2
1
3
2Y
6
1
5
EN1
6
4
3A
3OE
4A
4OE
mna228
3Y
8
9
8
10
4Y
11
12
11
13
nA
nY
nOE
mna229
mna227
Fig 1.
Logic symbol
Fig 2.
IEC logic symbol
Fig 3.
Logic diagram (one buffer)
5. Pinning information
5.1 Pinning
74VHC125
74VHCT125
1OE
2
3
4
5
6
7
GND
3Y
8
GND
(1)
1
terminal 1
index area
1A
14 V
CC
13 4OE
12 4A
11 4Y
10 3OE
9
8
001aak044
74VHC125
74VHCT125
1OE
1A
1Y
2OE
2A
2Y
GND
1
2
3
4
5
6
7
14 V
CC
13 4OE
12 4A
11 4Y
10 3OE
9
3A
1Y
2OE
2A
2Y
3A
3Y
001aak045
Transparent top view
(1) The die substrate is attached to this pad using
conductive die attach material. It can not be used as a
supply pin or input.
Fig 4.
Pin configuration SO14 and TSSOP14
Fig 5.
Pin configuration DHVQFN14
74VHC_VHCT125_2
©
Nexperia B.V. 2017. All rights reserved
Product data sheet
Rev. 02 — 13 October 2009
2 of 15
Nexperia
74VHC125; 74VHCT125
Quad buffer/line driver; 3-state
5.2 Pin description
Table 2.
Symbol
1OE, 2OE, 3OE, 4OE
1A, 2A, 3A, 4A
1Y, 2Y, 3Y, 4Y
GND
V
CC
Pin description
Pin
1, 4, 10, 13
2, 5, 9, 12
3, 6, 8, 11
7
14
Description
output enable input (active LOW)
data input
data output
ground (0 V)
supply voltage
6. Functional description
Table 3.
Control
nOE
L
H
[1]
Function table
[1]
Input
nA
L
H
X
Output
nY
L
H
Z
H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.
7. Limiting values
Table 4.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol
V
CC
V
I
I
IK
I
OK
I
O
I
CC
I
GND
T
stg
P
tot
Parameter
supply voltage
input voltage
input clamping current
output clamping current
output current
supply current
ground current
storage temperature
total power dissipation
SO14 package
TSSOP14 package
DHVQFN14 package
[1]
[2]
[3]
[4]
Conditions
Min
−0.5
−0.5
Max
+7.0
+7.0
-
±20
±25
75
-
+150
500
500
500
Unit
V
V
mA
mA
mA
mA
mA
°C
mW
mW
mW
V
I
<
−0.5
V
V
O
<
−0.5
V or V
O
> V
CC
+ 0.5 V
V
O
=
−0.5
V to (V
CC
+ 0.5 V)
[1]
[1]
−20
-
-
-
−75
−65
T
amb
=
−40 °C
to +125
°C
[2]
[3]
[4]
-
-
-
The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
P
tot
derates linearly with 8 mW/K above 70
°C.
P
tot
derates linearly with 5.5 mW/K above 60
°C.
P
tot
derates linearly with 4.5 mW/K above 60
°C.
74VHC_VHCT125_2
©
Nexperia B.V. 2017. All rights reserved
Product data sheet
Rev. 02 — 13 October 2009
3 of 15
Nexperia
74VHC125; 74VHCT125
Quad buffer/line driver; 3-state
8. Recommended operating conditions
Table 5.
Recommended operating conditions
Voltages are referenced to GND (ground = 0 V).
Symbol Parameter
V
CC
V
I
V
O
T
amb
∆t/∆V
supply voltage
input voltage
output voltage
ambient temperature
input transition rise
and fall rate
V
CC
= 3.3 V
±
0.3 V
V
CC
= 5.0 V
±
0.5 V
Conditions
74VHC125
Min
2.0
0
0
−40
-
-
Typ
5.0
-
-
+25
-
-
Max
5.5
5.5
V
CC
+125
100
20
74VHCT125
Min
4.5
0
0
−40
-
-
Typ
5.0
-
-
+25
-
-
Max
5.5
5.5
V
CC
+125
-
20
V
V
V
°C
ns/V
ns/V
Unit
9. Static characteristics
Table 6.
Static characteristics
Voltages are referenced to GND (ground = 0 V).
Symbol Parameter
For type 74VHC125
V
IH
HIGH-level
input voltage
V
CC
= 2.0 V
V
CC
= 3.0 V
V
CC
= 5.5 V
V
IL
LOW-level
input voltage
V
CC
= 2.0 V
V
CC
= 3.0 V
V
CC
= 5.5 V
V
OH
HIGH-level
V
I
= V
IH
or V
IL
output voltage
I
O
=
−50 µA;
V
CC
= 2.0 V
I
O
=
−50 µA;
V
CC
= 3.0 V
I
O
=
−50 µA;
V
CC
= 4.5 V
I
O
=
−4.0
mA; V
CC
= 3.0 V
I
O
=
−8.0
mA; V
CC
= 4.5 V
V
OL
LOW-level
V
I
= V
IH
or V
IL
output voltage
I
O
= 50
µA;
V
CC
= 2.0 V
I
O
= 50
µA;
V
CC
= 3.0 V
I
O
= 50
µA;
V
CC
= 4.5 V
I
O
= 4.0 mA; V
CC
= 3.0 V
I
O
= 8.0 mA; V
CC
= 4.5 V
I
OZ
OFF-state
V
I
= V
IH
or V
IL
;
output current V
O
= V
CC
or GND;
V
CC
= 5.5 V
input leakage
current
V
I
= 5.5 V or GND;
V
CC
= 0 V to 5.5 V
1.5
2.1
3.85
-
-
-
1.9
2.9
4.4
2.58
3.94
-
-
-
-
-
-
-
-
-
-
-
-
2.0
3.0
4.5
-
-
0
0
0
-
-
-
-
-
-
0.5
0.9
1.65
-
-
-
-
-
0.1
0.1
0.1
0.36
0.36
±0.25
1.5
2.1
3.85
-
-
-
1.9
2.9
4.4
2.48
3.8
-
-
-
-
-
-
-
-
-
0.5
0.9
1.65
-
-
-
-
-
0.1
0.1
0.1
0.44
0.44
±2.5
1.5
2.1
3.85
-
-
-
1.9
2.9
4.4
2.40
3.70
-
-
-
-
-
-
-
-
-
0.5
0.9
1.65
-
-
-
-
-
0.1
0.1
0.1
0.55
0.55
±10.0
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
µA
Conditions
Min
25
°C
Typ
Max
−40 °C
to +85
°C −40 °C
to +125
°C
Unit
Min
Max
Min
Max
I
I
I
CC
-
-
-
-
0.1
2.0
-
-
1.0
20
-
-
©
2.0
40
µA
µA
supply current V
I
= V
CC
or GND; I
O
= 0 A;
V
CC
= 5.5 V
74VHC_VHCT125_2
Nexperia B.V. 2017. All rights reserved
Product data sheet
Rev. 02 — 13 October 2009
4 of 15
Nexperia
74VHC125; 74VHCT125
Quad buffer/line driver; 3-state
Table 6.
Static characteristics
…continued
Voltages are referenced to GND (ground = 0 V).
Symbol Parameter
C
I
C
O
input
capacitance
output
capacitance
HIGH-level
input voltage
LOW-level
input voltage
V
CC
= 4.5 V to 5.5 V
V
CC
= 4.5 V to 5.5 V
Conditions
Min
-
-
25
°C
Typ
3.0
4.0
Max
10
-
−40 °C
to +85
°C −40 °C
to +125
°C
Unit
Min
-
-
Max
10
-
Min
-
-
Max
10
-
pF
pF
For type 74VHCT125
V
IH
V
IL
V
OH
2.0
-
-
-
-
0.8
2.0
-
-
0.8
2.0
-
-
0.8
V
V
HIGH-level
V
I
= V
IH
or V
IL
; V
CC
= 4.5 V
output voltage
I
O
=
−50 µA
I
O
=
−8.0
mA
LOW-level
V
I
= V
IH
or V
IL
; V
CC
= 4.5 V
output voltage
I
O
= 50
µA
I
O
= 8.0 mA
OFF-state
per input pin; V
I
= V
IH
or V
IL
;
output current V
CC
= 5.5 V; I
O
= 0 A
V
O
= V
CC
or GND;
other pins at V
CC
or GND
4.4
3.94
-
-
-
4.5
-
0
-
-
-
-
0.1
0.36
±0.25
4.4
3.8
-
-
-
-
-
0.1
0.44
±2.5
4.4
3.70
-
-
-
-
-
0.1
0.55
±10.0
V
V
V
V
µA
V
OL
I
OZ
I
I
I
CC
∆I
CC
input leakage
current
V
I
= 5.5 V or GND;
V
CC
= 0 V to 5.5 V
-
-
-
-
-
-
0.1
2.0
1.35
-
-
-
1.0
20
1.5
-
-
-
2.0
40
1.5
µA
µA
mA
supply current V
I
= V
CC
or GND; I
O
= 0 A;
V
CC
= 5.5 V
additional
per input pin;
supply current V
I
= V
CC
−
2.1 V; I
O
= 0 A;
other pins at V
CC
or GND;
V
CC
= 4.5 V to 5.5 V
input
capacitance
output
capacitance
C
I
C
O
-
-
3.0
4.0
10
-
-
-
10
-
-
-
10
-
pF
pF
74VHC_VHCT125_2
©
Nexperia B.V. 2017. All rights reserved
Product data sheet
Rev. 02 — 13 October 2009
5 of 15
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