74AHCV244APW [NEXPERIA]
Octal buffer/line driver 3-state;
| 型号： | 74AHCV244APW |
| 厂家： | 
Nexperia |
| 描述： | Octal buffer/line driver 3-state |
| 文件： | 总15页 (文件大小：202K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
74AHCV244A
Octal buffer/line driver; 3-state
Rev. 2 — 21 March 2018
Product data sheet
1 General description
The 74AHCV244A is an 8-bit buffer/line driver with 3-state outputs and Schmitt trigger
inputs. The device features two output enables (1OE and 2OE). A HIGH on nOE causes
the associated outputs to assume a high-impedance OFF-state.
Inputs are overvoltage tolerant. This feature allows the use of these devices as
translators in mixed voltage environments.
The data (nAn) and control (nOE) inputs include Schmitt trigger inputs, capable of
transforming slowly changing input signals into sharply defined, jitter-free output signals.
This device is fully specified for partial Power-down applications using IOFF. The IOFF
circuitry disables the output, preventing the damaging backflow current through the
device when it is powered down.
2 Features and benefits
• Wide supply voltage range from 1.8 V to 5.5 V
• Typical tpd of 3.0 ns at 5 V
• Typical VOL(p) < 0.8 V at VCC = 3.3 V, Tamb = 25 °C
• Typical VOH(v) > 2.3 V at VCC = 3.3 V, Tamb = 25 °C
• Supports mixed-mode voltage operation on all ports
• IOFF circuitry provides partial Power-down mode operation
• Latch-up performance exceeds 250 mA per JESD 78 Class II
• ESD protection:
– HBM ANSI/ESDA/JEDEC JS-001 Class 2 exceeds 3 kV
– MM JESD22-A115-A exceeds 150 V
– CDM JESD22-C101E exceeds 2 kV
• Specified from -40 °C to +85 °C and from -40 °C to +125 °C
3 Ordering information
Table 1.ꢀOrdering information
Type number
Package
Temperature range Name
Description
Version
74AHCV244APW -40 °C to +125 °C
TSSOP20
plastic thin shrink small outline package; 20 leads;
body width 4.4 mm
SOT360-1
Nexperia
74AHCV244A
Octal buffer/line driver; 3-state
4 Functional diagram
1A0
2
1Y0
1Y1
1Y2
1Y3
18
16
14
12
1A1
4
1A2
6
1A3
8
1
2
EN
1OE
1
18
2Y0
2Y1
2Y2
2Y3
2A0
17
3
5
7
9
16
14
12
4
6
8
2A1
15
2A2
13
19
11
EN
2A3
11
9
7
5
3
13
15
17
2OE
19
aaa-025792
mna873
Figure 1.ꢀLogic symbol
Figure 2.ꢀIEC logic symbol
5 Pinning information
5.1 Pinning
74AHCV244A
1
2
20
19
18
17
16
15
14
13
12
11
1OE
1A0
2Y0
1A1
2Y1
1A2
2Y2
1A3
2Y3
GND
V
CC
2OE
1Y0
2A0
1Y1
2A1
1Y2
2A2
1Y3
2A3
3
4
5
6
7
8
9
10
aaa-025793
Figure 3.ꢀPin configuration SOT360-1 (TSSOP20)
74AHCV244A
All information provided in this document is subject to legal disclaimers.
© Nexperia B.V. 2018. All rights reserved.
Product data sheet
Rev. 2 — 21 March 2018
2 / 15
Nexperia
74AHCV244A
Octal buffer/line driver; 3-state
5.2 Pin description
Table 2.ꢀPin description
Symbol
Pin
Description
1OE, 2OE
1, 19
output enable input (active LOW)
data input
1A0, 1A1, 1A2, 1A3
2Y0, 2Y1, 2Y2, 2Y3
GND
2, 4, 6, 8
3, 5, 7, 9
10
data output
ground (0 V)
2A0, 2A1, 2A2, 2A3
1Y0, 1Y1, 1Y2, 1Y3,
17, 15, 13, 11
18, 16, 14, 12
data input
data output
6 Functional description
Table 3.ꢀFunction table [1]
Control
Input
Output
nOE
L
nAn
L
nYn
L
L
H
H
H
X
Z
[1] 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 Parameter
Conditions
Min
-0.5
-0.5
-0.5
-0.5
-50
-50
-
Max
+7.0
+7.0
VCC + 0.5
+7.0
-
Unit
V
VCC
VI
supply voltage
input voltage
output voltage
[1]
[2] [3]
[2]
V
VO
active mode
V
power-down or 3-state mode
VI < 0 V
V
IIK
input clamping current
output clamping current
output current
mA
mA
mA
mA
mA
°C
IOK
IO
VO < 0 V
-
VO = 0 V to VCC
±50
100
-
ICC
IGND
Tstg
Ptot
supply current
-
ground current
-100
-65
-
storage temperature
total power dissipation
+150
500
[4]
Tamb = -40 °C to +125 °C
mW
[1] The minimum input voltage ratings may be exceeded if the input current ratings are observed.
[2] The output voltage ratings may be exceeded if the output current ratings are observed.
[3] This value is limited to 7.0 V maximum.
[4] For TSSOP20 package: above 100 °C the value of Ptot derates linearly with 10 mW/K.
74AHCV244A
All information provided in this document is subject to legal disclaimers.
© Nexperia B.V. 2018. All rights reserved.
Product data sheet
Rev. 2 — 21 March 2018
3 / 15
Nexperia
74AHCV244A
Octal buffer/line driver; 3-state
8 Recommended operating conditions
Table 5.ꢀRecommended operating conditions
Voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
Min
1.8
0
Max
5.5
5.5
VCC
5.5
+125
50
Unit
V
VCC
VI
supply voltage
input voltage
output voltage
V
VO
active mode
0
V
power-down or 3-state mode
0
V
Tamb
ambient temperature
-40
-
°C
Δt/ΔV
input transition rise and fall rate
VCC = 2.3 V to 2.7 V
VCC = 3.0 V to 3.6 V
VCC = 4.5 V to 5.5 V
ms/V
ms/V
ms/V
-
20
-
1
9 Static characteristics
Table 6.ꢀStatic characteristics
Voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
25 °C
-40 °C to
+85 °C
-40 °C to
+125 °C
Unit
Min
-
Typ
Max
1.65
1.85
2.2
3.15
3.85
-
Min
Max
1.65
1.85
2.2
3.15
3.85
-
Min
Max
VT+
VT-
VH
positive-going VCC = 1.8 V
threshold
VCC = 2.3 V
voltage
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1.65
1.85
2.2
3.15
3.85
-
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
-
-
-
VCC = 3.0 V
-
-
-
VCC = 4.5 V
-
-
-
VCC = 5.5 V
-
-
-
negative-going VCC = 1.8 V
threshold
VCC = 2.3 V
voltage
0.15
0.45
0.9
1.35
1.65
0.15
0.2
0.3
0.4
0.5
0.15
0.45
0.9
1.35
1.65
0.15
0.2
0.3
0.4
0.5
0.15
0.45
0.9
1.35
1.65
0.15
0.2
0.3
0.4
0.5
-
-
-
VCC = 3.0 V
VCC = 4.5 V
VCC = 5.5 V
-
-
-
-
-
-
-
-
-
hysteresis
voltage
VCC = 1.8 V
VCC = 2.3 V
VCC = 3.0 V
VCC = 4.5 V
VCC = 5.5 V
1.05
1.1
1.2
1.4
1.6
1.05
1.1
1.2
1.4
1.6
1.05
1.1
1.2
1.4
1.6
74AHCV244A
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© Nexperia B.V. 2018. All rights reserved.
Product data sheet
Rev. 2 — 21 March 2018
4 / 15
Nexperia
74AHCV244A
Octal buffer/line driver; 3-state
Symbol Parameter
Conditions
25 °C
Typ
-40 °C to
+85 °C
-40 °C to
+125 °C
Unit
Min
Max
Min
Max
Min
Max
VOH
VOL
IOZ
HIGH-level
output voltage
VI = VT+ or VT-
V
V
V
V
V
IO = -50 μA; VCC = 1.8 V
IO = -50 μA; VCC = 3.0 V
IO = -50 μA; VCC = 4.5 V
IO = -8 mA; VCC = 3.0 V
IO = -16 mA; VCC = 4.5 V
VI = VT+ or VT-
1.7
2.9
1.8
3.0
4.5
-
-
-
-
-
-
1.7
2.9
-
-
-
-
-
1.7
2.9
-
-
-
-
-
4.4
4.4
4.4
2.58
3.94
2.48
3.80
2.48
3.80
-
LOW-level
output voltage
IO = 50 μA; VCC = 1.8 V
IO = 50 μA; VCC = 3.0 V
IO = 50 μA; VCC = 4.5 V
IO = 8 mA; VCC = 3.0 V
IO = 16 mA; VCC = 4.5 V
VCC = 1.8 V to 5.5 V;
-
-
-
-
-
-
0
0
0
-
0.1
0.1
-
-
-
-
-
-
0.1
0.1
-
-
-
-
-
-
0.1
0.1
V
V
V
V
V
0.1
0.1
0.1
0.36
0.44
±0.25
0.44
0.55
±2.5
0.44
0.55
-
OFF-state
-
±2.5 μA
output current VI = VIH or VIL;
VO = GND to 5.5 V
IOFF
II
power-off
leakage current VCC = 0 V
VI or VO = GND to 5.5 V;
-
-
-
-
-
-
0.5
±0.1
2
-
-
-
5
-
-
-
5
μA
μA
μA
input leakage
current
VI = VCC or GND;
VCC = 0 V to 5.5 V
±1
20
±1
20
ICC
supply current VI = VCC or GND; IO = 0 A;
VCC = 5.5 V
9.1 Transfer characteristics waveforms
V
O
V
T+
V
I
V
H
V
T-
V
O
V
I
V
H
V
T-
V
T+
mnb154
mnb155
Figure 4.ꢀTransfer characteristics
Figure 5.ꢀTransfer characteristics definitions
74AHCV244A
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© Nexperia B.V. 2018. All rights reserved.
Product data sheet
Rev. 2 — 21 March 2018
5 / 15
Nexperia
74AHCV244A
Octal buffer/line driver; 3-state
aaa-023439
aaa-023440
1.5
3
I
I
CC
CC
(mA)
(mA)
1.25
2.5
2
1
0.75
0.5
1.5
1
0.25
0.5
0
0
0
0.5
1
1.5
2
2.5
(V)
3
0
1
2
3
4
5
V
V
IN
(V)
IN
a. VCC = 3.0 V
b. VCC = 4.5 V
aaa-023441
5
4
3
2
1
0
I
CC
(mA)
0
1
2
3
4
5
(V)
6
V
IN
c. VCC = 5.5 V
Figure 6.ꢀTypical transfer characteristics
74AHCV244A
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© Nexperia B.V. 2018. All rights reserved.
Product data sheet
Rev. 2 — 21 March 2018
6 / 15
Nexperia
74AHCV244A
Octal buffer/line driver; 3-state
10 Dynamic characteristics
Table 7.ꢀDynamic characteristics
Voltages are referenced to GND (ground = 0 V). For test circuit see Figure 9.
Symbol Parameter
Conditions
25 °C
-40 °C to
+85 °C
-40 °C to Unit
+125 °C
Min Typ [1] Max Min Max Min Max
[2]
[2]
[2]
tpd
propagation
delay
nAn to nYn; see Figure 7
VCC = 2.3 V to 2.7 V; CL = 15 pF
VCC = 2.3 V to 2.7 V; CL = 50 pF
VCC = 3.0 V to 3.6 V; CL = 15 pF
VCC = 3.0 V to 3.6 V; CL = 50 pF
VCC = 4.5 V to 5.5 V; CL = 15 pF
VCC = 4.5 V to 5.5 V; CL = 50 pF
nOE to nYn; see Figure 8
-
-
-
-
-
-
5.1
7
12.5
15.3
8.4
1
1
1
1
1
1
15
18
1
1
1
1
1
1
15 ns
18 ns
10 ns
13.5 ns
6.5 ns
8.5 ns
3.9
5.4
3
10
11.9
5.5
13.5
6.5
8.5
4.2
7.5
ten
enable time
disable time
skew
VCC = 2.3 V to 2.7 V; CL = 15 pF
VCC = 2.3 V to 2.7 V; CL = 50 pF
VCC = 3.0 V to 3.6 V; CL = 15 pF
VCC = 3.0 V to 3.6 V; CL = 50 pF
VCC = 4.5 V to 5.5 V; CL = 15 pF
VCC = 4.5 V to 5.5 V; CL = 50 pF
nOE to nYn; see Figure 8
-
-
-
-
-
-
6.1
8.2
4.6
6.3
3.0
4.4
14.6
17.8
10.6
14.1
7.3
1
1
1
1
1
1
17
21
1
1
1
1
1
1
17 ns
21 ns
12.5 ns
16 ns
8.5 ns
10.5 ns
12.5
16
8.5
10.5
9.3
tdis
VCC = 2.3 V to 2.7 V; CL = 15 pF
VCC = 2.3 V to 2.7 V; CL = 50 pF
VCC = 3.0 V to 3.6 V; CL = 15 pF
VCC = 3.0 V to 3.6 V; CL = 50 pF
VCC = 4.5 V to 5.5 V; CL = 15 pF
VCC = 4.5 V to 5.5 V; CL = 50 pF
VCC = 2.3 V to 2.7 V; CL = 50 pF
VCC = 3.0 V to 3.6 V; CL = 50 pF
VCC = 4.5 V to 5.5 V; CL = 50 pF
VI = VCC or GND; VCC = 3.3 V
-
-
-
-
-
-
-
-
-
-
6.6
11.2
5.3
8.8
4.2
6.4
-
15
19.2
13
14
12
9.2
2
1
1
1
1
1
1
-
17
21
15
16
14
10.5
2
1
1
1
1
1
1
-
17 ns
21 ns
15 ns
16 ns
14 ns
10.5 ns
tsk(o)
2
ns
-
1.5
1
-
1.5
1
-
1.5 ns
-
-
-
1
6
ns
CI
input
2
6
-
6
-
pF
capacitance
CO
CPD
output
capacitance
VO = VCC or GND; VCC = 3.3 V
-
-
5
-
-
-
-
-
-
-
-
-
-
pF
pF
[3]
power
dissipation
capacitance
per buffer; CL = 0 pF; f = 10 MHz;
VCC = 5 V; VI = GND to VCC
15
[1] Typical values are measured at Tamb = 25 °C and VCC = 2.5 V, 3.3 V, and 5 V respectively, unless otherwise specified.
[2] tpd is the same as tPLH and tPHL; ten is the same as tPZL and tPZH; tdis is the same as tPLZ and tPHZ
.
[3] CPD is used to determine the dynamic power dissipation PD (μW).; PD = CPD × VCC2 × fi × N + Σ (CL × VCC2 × fo) where:
fi = input frequency in MHz; fo = output frequency in MHz; CL = output load capacitance in pF;
VCC = supply voltage in Volts; N = number of inputs switching; Σ (CL × VCC2 × fo) = sum of outputs.
74AHCV244A
All information provided in this document is subject to legal disclaimers.
© Nexperia B.V. 2018. All rights reserved.
Product data sheet
Rev. 2 — 21 March 2018
7 / 15
Nexperia
74AHCV244A
Octal buffer/line driver; 3-state
Table 8.ꢀNoise characteristics
Voltages are referenced to GND (ground = 0 V). For test circuit see Figure 9.
Symbol Parameter
Conditions
Tamb = 25 °C
Typ
Unit
Min
Max
VCC = 3.3 V; CL = 50 pF
VOL(p)
VOL(v)
VOH(v)
LOW-level output voltage (peak)
-
-0.8
-
0.3
-0.2
2.9
-
0.8
V
V
V
V
V
LOW-level output voltage (valley)
HIGH-level output voltage (valley)
-
-
-
VIH(AC) AC HIGH-level input voltage (dynamic)
VIL(AC) AC LOW-level input voltage (dynamic)
VCC = 5.0 V; CL = 50 pF
2.31
-
-
0.99
VOL(p)
VOL(v)
VOH(v)
LOW-level output voltage (peak)
LOW-level output voltage (valley)
HIGH-level output voltage (valley)
-
-1.5
-
0.6
-0.6
4.0
-
1.5
V
V
V
V
V
-
-
VIH(AC) AC HIGH-level input voltage (dynamic)
VIL(AC) AC LOW-level input voltage (dynamic)
3.5
-
-
-
1.5
74AHCV244A
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© Nexperia B.V. 2018. All rights reserved.
Product data sheet
Rev. 2 — 21 March 2018
8 / 15
Nexperia
74AHCV244A
Octal buffer/line driver; 3-state
10.1 Waveforms and test circuit
V
I
nAn input
GND
V
V
M
M
t
t
PLH
PHL
V
OH
V
V
M
nYn output
M
V
OL
mna171
Measurement points are given in Table 9.
VOL and VOH are typical voltage output levels that occur with the output load.
Figure 7.ꢀPropagation delay input (nAn) to output (nYn)
V
I
nOE input
V
M
GND
t
t
PLZ
PZL
V
CC
output
LOW-to-OFF
OFF-to-LOW
V
M
V
X
V
OL
t
t
PHZ
PZH
V
OH
V
Y
output
HIGH-to-OFF
OFF-to-HIGH
V
M
GND
outputs
enabled
outputs
enabled
outputs
disabled
mna362
Measurement points are given in Table 9.
VOL and VOH are typical voltage output levels that occur with the output load.
Figure 8.ꢀEnable and disable times
Table 9.ꢀMeasurement points
Input
VM
Output
VM
VX
VY
VOH - 0.3 V
0.5VCC
0.5VCC
VOL + 0.3 V
74AHCV244A
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© Nexperia B.V. 2018. All rights reserved.
Product data sheet
Rev. 2 — 21 March 2018
9 / 15
Nexperia
74AHCV244A
Octal buffer/line driver; 3-state
t
W
V
I
90 %
negative
pulse
V
V
V
M
M
10 %
0 V
t
t
r
f
t
t
f
r
V
I
90 %
positive
pulse
V
M
M
10 %
0 V
t
W
V
V
CC
CC
V
I
V
O
R
L
S1
G
open
DUT
R
T
C
L
001aad983
Test data is given in Table 10.
Definitions test circuit:
RT = Termination resistance should be equal to output impedance Zo of the pulse generator
CL = Load capacitance including jig and probe capacitance
RL = Load resistor
S1 = Test selection switch
Figure 9.ꢀTest circuit for measuring switching times
Table 10.ꢀTest data
Input
Load
S1 position
tPHL, tPLH
open
VI
tr, tf
CL
RL
tPZH, tPHZ
tPZL, tPLZ
GND to VCC
3.0 ns
15 pF, 50 pF
1 kΩ
GND
VCC
74AHCV244A
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© Nexperia B.V. 2018. All rights reserved.
Product data sheet
Rev. 2 — 21 March 2018
10 / 15
Nexperia
74AHCV244A
Octal buffer/line driver; 3-state
11 Package outline
TSSOP20: plastic thin shrink small outline package; 20 leads; body width 4.4 mm
SOT360-1
D
E
A
X
c
H
v
M
A
y
E
Z
11
20
Q
A
2
(A )
3
A
A
1
pin 1 index
θ
L
p
L
1
10
detail X
w
M
b
p
e
0
2.5
5 mm
scale
DIMENSIONS (mm are the original dimensions)
A
(1)
(2)
(1)
UNIT
A
A
A
b
c
D
E
e
H
L
L
Q
v
w
y
Z
θ
1
2
3
p
E
p
max.
8o
0o
0.15
0.05
0.95
0.80
0.30
0.19
0.2
0.1
6.6
6.4
4.5
4.3
6.6
6.2
0.75
0.50
0.4
0.3
0.5
0.2
mm
1.1
0.65
1
0.2
0.13
0.1
0.25
Notes
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.
2. Plastic interlead protrusions of 0.25 mm maximum per side are not included.
REFERENCES
OUTLINE
EUROPEAN
PROJECTION
ISSUE DATE
VERSION
IEC
JEDEC
JEITA
99-12-27
03-02-19
SOT360-1
MO-153
Figure 10.ꢀPackage outline SOT360-1 (TSSOP20)
74AHCV244A
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© Nexperia B.V. 2018. All rights reserved.
Product data sheet
Rev. 2 — 21 March 2018
11 / 15
Nexperia
74AHCV244A
Octal buffer/line driver; 3-state
12 Abbreviations
Table 11.ꢀAbbreviations
Acronym
Description
CDM
DUT
ESD
HBM
MM
Charged Device Model
Device Under Test
ElectroStatic Discharge
Human Body Model
Machine Model
13 Revision history
Table 12.ꢀRevision history
Document ID
74AHCV244A v.2
Modifications:
Release date
20180321
Data sheet status
Change notice
Supersedes
Product data sheet
-
74AHCV244A v.1
• The format of this data sheet has been redesigned to comply with the identity guidelines of
Nexperia.
• Legal texts have been adapted to the new company name where appropriate.
• Updated Figure 3: Pin configuration SOT360-1 (TSSOP20).
74AHCV244A v.1
20161123
Product data sheet
-
-
74AHCV244A
All information provided in this document is subject to legal disclaimers.
© Nexperia B.V. 2018. All rights reserved.
Product data sheet
Rev. 2 — 21 March 2018
12 / 15
Nexperia
74AHCV244A
Octal buffer/line driver; 3-state
14 Legal information
14.1 Data sheet status
Document status[1][2]
Product status[3]
Definition
Objective [short] data sheet
Development
This document contains data from the objective specification for product
development.
Preliminary [short] data sheet
Product [short] data sheet
Qualification
Production
This document contains data from the preliminary specification.
This document contains the product specification.
[1] Please consult the most recently issued document before initiating or completing a design.
[2] The term 'short data sheet' is explained in section "Definitions".
[3] The product status of device(s) described in this document may have changed since this document was published and may differ in case of multiple
devices. The latest product status information is available on the Internet at URL http://www.nexperia.com.
systems or equipment, nor in applications where failure or malfunction
of an Nexperia product can reasonably be expected to result in personal
14.2 Definitions
injury, death or severe property or environmental damage. Nexperia and its
suppliers accept no liability for inclusion and/or use of Nexperia products in
Draft — The document is a draft version only. The content is still under
such equipment or applications and therefore such inclusion and/or use is at
internal review and subject to formal approval, which may result in
the customer’s own risk.
modifications or additions. Nexperia does not give any representations or
warranties as to the accuracy or completeness of information included herein
and shall have no liability for the consequences of use of such information.
Applications — Applications that are described herein for any of these
products are for illustrative purposes only. Nexperia makes no representation
or warranty that such applications will be suitable for the specified use
Short data sheet — A short data sheet is an extract from a full data sheet
without further testing or modification. Customers are responsible for the
with the same product type number(s) and title. A short data sheet is
design and operation of their applications and products using Nexperia
intended for quick reference only and should not be relied upon to contain
products, and Nexperia accepts no liability for any assistance with
detailed and full information. For detailed and full information see the
applications or customer product design. It is customer’s sole responsibility
relevant full data sheet, which is available on request via the local Nexperia
to determine whether the Nexperia product is suitable and fit for the
sales office. In case of any inconsistency or conflict with the short data sheet,
customer’s applications and products planned, as well as for the planned
the full data sheet shall prevail.
application and use of customer’s third party customer(s). Customers should
provide appropriate design and operating safeguards to minimize the risks
associated with their applications and products. Nexperia does not accept
Product specification — The information and data provided in a Product
data sheet shall define the specification of the product as agreed between
any liability related to any default, damage, costs or problem which is based
Nexperia and its customer, unless Nexperia and customer have explicitly
on any weakness or default in the customer’s applications or products, or
agreed otherwise in writing. In no event however, shall an agreement be
the application or use by customer’s third party customer(s). Customer is
valid in which the Nexperia product is deemed to offer functions and qualities
beyond those described in the Product data sheet.
responsible for doing all necessary testing for the customer’s applications
and products using Nexperia products in order to avoid a default of the
applications and the products or of the application or use by customer’s third
party customer(s). Nexperia does not accept any liability in this respect.
14.3 Disclaimers
Limiting values — Stress above one or more limiting values (as defined in
the Absolute Maximum Ratings System of IEC 60134) will cause permanent
Limited warranty and liability — Information in this document is believed
damage to the device. Limiting values are stress ratings only and (proper)
to be accurate and reliable. However, Nexperia does not give any
operation of the device at these or any other conditions above those
representations or warranties, expressed or implied, as to the accuracy
given in the Recommended operating conditions section (if present) or the
or completeness of such information and shall have no liability for the
Characteristics sections of this document is not warranted. Constant or
consequences of use of such information. Nexperia takes no responsibility
repeated exposure to limiting values will permanently and irreversibly affect
for the content in this document if provided by an information source outside
the quality and reliability of the device.
of Nexperia. In no event shall Nexperia be liable for any indirect, incidental,
punitive, special or consequential damages (including - without limitation -
lost profits, lost savings, business interruption, costs related to the removal
Terms and conditions of commercial sale — Nexperia products are
sold subject to the general terms and conditions of commercial sale, as
or replacement of any products or rework charges) whether or not such
published at http://www.nexperia.com/profile/terms, unless otherwise agreed
damages are based on tort (including negligence), warranty, breach of
in a valid written individual agreement. In case an individual agreement is
contract or any other legal theory. Notwithstanding any damages that
concluded only the terms and conditions of the respective agreement shall
customer might incur for any reason whatsoever, Nexperia's aggregate and
apply. Nexperia hereby expressly objects to applying the customer’s general
cumulative liability towards customer for the products described herein shall
terms and conditions with regard to the purchase of Nexperia products by
customer.
be limited in accordance with the Terms and conditions of commercial sale of
Nexperia.
No offer to sell or license — Nothing in this document may be interpreted
Right to make changes — Nexperia reserves the right to make changes
or construed as an offer to sell products that is open for acceptance or
to information published in this document, including without limitation
the grant, conveyance or implication of any license under any copyrights,
patents or other industrial or intellectual property rights.
specifications and product descriptions, at any time and without notice. This
document supersedes and replaces all information supplied prior to the
publication hereof.
Export control — This document as well as the item(s) described herein
may be subject to export control regulations. Export might require a prior
authorization from competent authorities.
Suitability for use — Nexperia products are not designed, authorized or
warranted to be suitable for use in life support, life-critical or safety-critical
74AHCV244A
All information provided in this document is subject to legal disclaimers.
© Nexperia B.V. 2018. All rights reserved.
Product data sheet
Rev. 2 — 21 March 2018
13 / 15
Nexperia
74AHCV244A
Octal buffer/line driver; 3-state
Non-automotive qualified products — Unless this data sheet expressly
states that this specific Nexperia product is automotive qualified, the
product is not suitable for automotive use. It is neither qualified nor tested in
accordance with automotive testing or application requirements. Nexperia
accepts no liability for inclusion and/or use of non-automotive qualified
products in automotive equipment or applications. In the event that customer
uses the product for design-in and use in automotive applications to
automotive specifications and standards, customer (a) shall use the product
without Nexperia's warranty of the product for such automotive applications,
use and specifications, and (b) whenever customer uses the product for
automotive applications beyond Nexperia's specifications such use shall be
solely at customer’s own risk, and (c) customer fully indemnifies Nexperia
for any liability, damages or failed product claims resulting from customer
design and use of the product for automotive applications beyond Nexperia's
standard warranty and Nexperia's product specifications.
Translations — A non-English (translated) version of a document is for
reference only. The English version shall prevail in case of any discrepancy
between the translated and English versions.
14.4 Trademarks
Notice: All referenced brands, product names, service names and
trademarks are the property of their respective owners.
74AHCV244A
All information provided in this document is subject to legal disclaimers.
© Nexperia B.V. 2018. All rights reserved.
Product data sheet
Rev. 2 — 21 March 2018
14 / 15
Nexperia
74AHCV244A
Octal buffer/line driver; 3-state
Contents
1
General description ............................................ 1
2
3
4
5
5.1
5.2
6
7
8
Features and benefits .........................................1
Ordering information .......................................... 1
Functional diagram .............................................2
Pinning information ............................................ 2
Pinning ...............................................................2
Pin description ...................................................3
Functional description ........................................3
Limiting values ....................................................3
Recommended operating conditions ................4
Static characteristics ..........................................4
Transfer characteristics waveforms ................... 5
Dynamic characteristics .....................................7
Waveforms and test circuit ................................9
Package outline .................................................11
Abbreviations .................................................... 12
Revision history ................................................ 12
Legal information ..............................................13
9
9.1
10
10.1
11
12
13
14
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section 'Legal information'.
© Nexperia B.V. 2018.
All rights reserved.
For more information, please visit: http://www.nexperia.com
For sales office addresses, please send an email to: salesaddresses@nexperia.com
Date of release: 21 March 2018
Document identifier: 74AHCV244A
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