HEF4520B
Dual binary counter
Rev. 8 — 1 March 2022
Product data sheet
1. General description
The HEF4520B is a dual 4-bit internally synchronous binary counter with two clock inputs (nCP0
and nCP1), buffered outputs from all four bit positions (nQ0 to nQ3) and an asynchronous master
reset input (nMR). The counter advances on either the LOW-to-HIGH transition of nCP0 if nCP1
is HIGH or the HIGH-to-LOW transition of nCP1 if nCP0 is LOW. Either nCP0 or nCP1 may be
used as the clock input to the counter and the other clock input may be used as a clock enable
input. A HIGH on nMR resets the counter (nQ0 to nQ3 = LOW) independent of nCP0 and nCP1.
Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to
voltages in excess of VDD.
2. Features and benefits
•
•
•
•
•
•
•
•
•
•
Tolerant of slow clock rise and fall times
Fully static operation
5 V, 10 V, and 15 V parametric ratings
Wide supply voltage range from 3.0 V to 15.0 V
CMOS low power dissipation
High noise immunity
Standardized symmetrical output characteristics
Complies with JEDEC standard JESD 13-B
ESD protection:
• HBM JESD22-A114F exceeds 2000 V
• MM JESD22-A115-B exceeds 200 V
Specified from -40 °C to +85 °C
3. Ordering information
Table 1. Ordering information
Type number
Package
HEF4520BT
Temperature range
Name
Description
Version
-40 °C to +85 °C
SO16
plastic small outline package; 16 leads;
body width 3.9 mm
SOT109-1
HEF4520B
Nexperia
Dual binary counter
4. Functional diagram
1Q0 3
1 1CP0
1Q1 4
2 1CP1
1Q2 5
1Q3 6
7 1MR
2Q0 11
9 2CP0
2Q1 12
10 2CP1
2Q2 13
2Q3 14
15 2MR
001aae698
Fig. 1.
Functional diagram
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
0
1
2
nCP0
nCP1
nMR
3
4
nQ0
nQ1
nQ2
nQ3
001aae707
Fig. 2.
Timing diagram
nQ0
nCP1
nCP0
T
FF 1
nQ1
Q
T
CD Q
FF 2
nQ2
Q
CD Q
T
FF 3
nQ3
Q
T
CD Q
FF 4
Q
CD Q
nMR
001aae705
Fig. 3.
Logic diagram for one counter
HEF4520B
Product data sheet
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HEF4520B
Nexperia
Dual binary counter
5. Pinning information
5.1. Pinning
HEF4520B
1CP0
1
16 VDD
1CP1
2
15 2MR
1Q0
3
14 2Q3
1Q1
4
13 2Q2
1Q2
5
12 2Q1
1Q3
6
11 2Q0
1MR
7
10 2CP1
VSS
8
9
2CP0
001aae704
Fig. 4.
Pin configuration SOT109-1 (SO16)
5.2. Pin description
Table 2. Pin description
Symbol
Pin
Description
1CP0, 2CP0
1, 9
clock input (LOW-to-HIGH triggered)
1CP1, 2CP1
2, 10
clock input (HIGH-to-LOW triggered)
1Q0, 1Q1, 1Q2, 1Q3
3, 4, 5, 6
output
1MR, 2MR
7, 15
master reset input
VSS
8
ground supply voltage
2Q0, 2Q1, 2Q2, 2Q3
11, 12, 13, 14
output
VDD
16
supply voltage
6. Functional description
Table 3. Function table
H = HIGH voltage level; L = LOW voltage level; X = don’t care; ↑ = positive-going transition; ↓ = negative-going transition.
nCP0
nCP1
nMR
Mode
↑
H
L
counter advances
L
↓
L
counter advances
↓
X
L
no change
X
↑
L
no change
↑
L
L
no change
H
↓
L
no change
X
X
H
nQ0 to nQ3 = LOW
HEF4520B
Product data sheet
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Rev. 8 — 1 March 2022
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3 / 12
HEF4520B
Nexperia
Dual binary counter
7. Limiting values
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to VSS = 0 V (ground).
Symbol
Parameter
VDD
supply voltage
IIK
input clamping current
VI
input voltage
IOK
output clamping current
II/O
Conditions
Min
Max
Unit
-0.5
+18
V
-
±10
mA
-0.5
VDD + 0.5
-
±10
mA
input/output current
-
±10
mA
IDD
supply current
-
50
mA
Tstg
storage temperature
-65
+150
°C
Tamb
ambient temperature
-40
+85
°C
Ptot
total power dissipation
-
500
mW
P
power dissipation
-
100
mW
VI < -0.5 V or VI > VDD + 0.5 V
VO < -0.5 V or VO > VDD + 0.5 V
per output
SO16 package
V
8. Recommended operating conditions
Table 5. Recommended operating conditions
Symbol Parameter
Conditions
Min
Typ
Max
VDD
supply voltage
3
-
15
Unit
V
VI
input voltage
0
-
VDD
V
Tamb
ambient temperature
in free air
-40
-
+85
°C
Δt/ΔV
input transition rise and fall rate
VDD = 5 V
-
-
3.75
μs/V
VDD = 10 V
-
-
0.5
μs/V
VDD = 15 V
-
-
0.08
μs/V
9. Static characteristics
Table 6. Static characteristics
VSS = 0 V; VI = VSS or VDD unless otherwise specified.
Symbol
Parameter
Conditions
VDD
VIH
HIGH-level input
voltage
|IO| < 1 μA
5V
VIL
VOH
VOL
LOW-level input
voltage
HIGH-level output
voltage
LOW-level output
voltage
HEF4520B
Product data sheet
|IO| < 1 μA
|IO| < 1 μA;
VI = VSS or VDD
|IO| < 1 μA;
VI = VSS or VDD
Tamb = -40 °C
Tamb = 25 °C
Tamb = 85 °C
Min
Max
Min
Max
Min
Max
3.5
-
3.5
-
3.5
-
V
10 V
7.0
-
7.0
-
7.0
-
V
15 V
11.0
-
11.0
-
11.0
-
V
5V
-
1.5
-
1.5
-
1.5
V
10 V
-
3.0
-
3.0
-
3.0
V
15 V
-
4.0
-
4.0
-
4.0
V
5V
4.95
-
4.95
-
4.95
-
V
10 V
9.95
-
9.95
-
9.95
-
V
15 V
14.95
-
14.95
-
14.95
-
V
5V
-
0.05
-
0.05
-
0.05
V
10 V
-
0.05
-
0.05
-
0.05
V
15 V
-
0.05
-
0.05
-
0.05
V
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©
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HEF4520B
Nexperia
Dual binary counter
Symbol
IOH
IOL
Parameter
Conditions
HIGH-level output
current
LOW-level output
current
VDD
Tamb = -40 °C
Tamb = 25 °C
Tamb = 85 °C
Min
Max
Min
Max
Min
Max
Unit
VO = 2.5 V
5V
-
-1.7
-
-1.4
-
-1.1
mA
VO = 4.6 V
5V
-
-0.52
-
-0.44
-
-0.36 mA
VO = 9.5 V
10 V
-
-1.3
-
-1.1
-
-0.9
mA
VO = 13.5 V
15 V
-
-3.6
-
-3.0
-
-2.4
mA
VO = 0.4 V
5V
0.52
-
0.44
-
0.36
-
mA
VO = 0.5 V
10 V
1.3
-
1.1
-
0.9
-
mA
VO = 1.5 V
15 V
3.6
-
3.0
-
2.4
-
mA
II
input leakage current
VDD = 15 V
15 V
-
±0.3
-
±0.3
-
±1.0
μA
IDD
supply current
IO = 0 A;
VI = VSS or VDD
5V
-
20
-
20
-
150
μA
10 V
-
40
-
40
-
300
μA
15 V
-
80
-
80
-
600
μA
-
-
-
-
7.5
-
-
pF
CI
input capacitance
10. Dynamic characteristics
Table 7. Dynamic characteristics
VSS = 0 V; Tamb = 25 °C; unless otherwise specified. For test circuit see Fig. 6.
Symbol Parameter
tPHL
Conditions
HIGH to LOW
nCP0, nCP1 to nQn;
propagation delay see Fig. 5
VDD
Extrapolation formula [1]
Min
Typ
Max
Unit
5V
83 ns + (0.55 ns/pF)CL
-
110
220
ns
10 V 39 ns + (0.23 ns/pF)CL
-
50
100
ns
15 V 32 ns + (0.16 ns/pF)CL
-
40
80
ns
48 ns + (0.55 ns/pF)CL
-
75
150
ns
10 V 24 ns + (0.23 ns/pF)CL
-
35
70
ns
15 V 17 ns + (0.16 ns/pF)CL
-
25
50
ns
5V
nMR to nQn; see Fig. 5 5 V
tPLH
tt
LOW to HIGH
nCP0, nCP1 to nQn;
propagation delay see Fig. 5
transition time
nQn; see Fig. 5
83 ns + (0.55 ns/pF)CL
-
110
220
ns
10 V 39 ns + (0.23 ns/pF)CL
-
50
100
ns
15 V 32 ns + (0.16 ns/pF)CL
-
40
80
ns
5V
-
60
120
ns
-
30
60
ns
10 ns + (1.00 ns/pF)CL
10 V 9 ns + (0.42 ns/pF)CL
15 V 6 ns + (0.28 ns/pF)CL
tW
pulse width
HEF4520B
Product data sheet
-
20
40
ns
nCP0 input LOW;
minimum width;
see Fig. 5
5V
60
30
-
ns
10 V
30
15
-
ns
15 V
20
10
-
ns
nCP1 input HIGH;
minimum width;
see Fig. 5
5V
60
30
-
ns
10 V
30
15
-
ns
15 V
20
10
-
ns
nMR input HIGH;
minimum width;
see Fig. 5
5V
30
15
-
ns
10 V
20
10
-
ns
15 V
16
8
-
ns
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HEF4520B
Nexperia
Dual binary counter
Symbol Parameter
Conditions
VDD
tsu
nCP0 to nCP1;
see Fig. 5
set-up time
nCP1 to nCP0;
see Fig. 5
trec
recovery time
fmax
[1]
maximum
frequency
see Fig. 5
Extrapolation formula [1]
Min
Typ
Max
5V
50
25
-
ns
10 V
30
15
-
ns
15 V
20
10
-
ns
5V
50
25
-
ns
10 V
30
15
-
ns
15 V
20
10
-
ns
5V
50
25
-
ns
10 V
30
15
-
ns
15 V
20
10
-
ns
8
16
-
MHz
10 V
15
30
-
MHz
15 V
20
40
-
MHz
nCP0, nCP1; see Fig. 5 5 V
Unit
The typical values of the propagation delay and transition times are calculated from the extrapolation formulas shown (CL in pF).
Table 8. Dynamic power dissipation PD
PD can be calculated from the formulas shown. VSS = 0 V; tr = tf ≤ 20 ns; Tamb = 25 °C.
Symbol
Parameter
VDD
Typical formula for PD (μW)
PD
dynamic power
dissipation
5V
PD = 850 × fi + Σ(fo × CL) × VDD
HEF4520B
Product data sheet
Where:
2
2
10 V
PD = 3800 × fi + Σ(fo × CL) × VDD
15 V
PD = 10200 × fi + Σ(fo × CL) × VDD
2
All information provided in this document is subject to legal disclaimers.
Rev. 8 — 1 March 2022
fi = input frequency in MHz,
fo = output frequency in MHz,
CL = output load capacitance in pF,
VDD = supply voltage in V,
Σ(fo × CL) = sum of the outputs.
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HEF4520B
Nexperia
Dual binary counter
10.1. Waveforms and test circuit
VI
VM
nCP0 input
0V
VI
nCP1 input
VM
0V
0V
tsu
tsu
VI
nMR input
VM
0V
tPHL
tPLH
VOH
nQn output
tPHL
90 %
VM
10 %
VOL
tt
tt
001aae702
a. nCP0 and nCP1 set-up times, propagation delays and output transition times
1/fmax
VI
nCP1 input
(nCP0 = LOW)
VM
0V
tW
VI
nCP0 input
(nCP1 = HIGH)
VM
0V
tW
VI
nMR input
VM
0V
tW
trec
001aae701
b. nMR recovery time, minimum nCP0, nCP1, and nMR pulse widths and maximum frequency
Measurement points are given in Table 9.
The logic levels VOH and VOL are typical output voltage levels that occur with the output load.
Fig. 5.
Waveforms showing measurements for switching times
HEF4520B
Product data sheet
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HEF4520B
Nexperia
Dual binary counter
tW
VI
90 %
negative
pulse
90 %
VM
VM
10 %
0V
VI
10 %
tf
tr
tr
tf
90 %
positive
pulse
90 %
VM
VM
10 %
0V
10 %
tW
001aaj781
a. Input waveforms
VDD
G
VI
VO
DUT
RT
CL
001aag182
b.Test circuit
Test data is given in Table 9.
Definitions for test circuit:
CL = Load capacitance including jig and probe capacitance;
RT = Termination resistance should be equal to output impedance Zo of the pulse generator.
Fig. 6.
Test circuit for measuring switching times
Table 9. Measurement points and test data
Supply voltage
Input
Load
VDD
VI
VM
tr, tf
CL
5 V to 15 V
VDD
0.5 × VI
≤ 20 ns
50 pF
HEF4520B
Product data sheet
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HEF4520B
Nexperia
Dual binary counter
11. Package outline
SO16: plastic small outline package; 16 leads; body width 3.9 mm
SOT109-1
D
E
A
X
c
y
HE
v M A
Z
16
9
Q
A2
A
(A 3)
A1
pin 1 index
θ
Lp
1
L
8
e
w M
bp
0
2.5
detail X
5 mm
scale
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
UNIT
A
max.
A1
A2
A3
bp
c
D (1)
E (1)
e
HE
L
Lp
Q
v
w
y
Z (1)
mm
1.75
0.25
0.10
1.45
1.25
0.25
0.49
0.36
0.25
0.19
10.0
9.8
4.0
3.8
1.27
6.2
5.8
1.05
1.0
0.4
0.7
0.6
0.25
0.25
0.1
0.7
0.3
inches
0.069
0.010 0.057
0.004 0.049
0.01
0.019 0.0100 0.39
0.014 0.0075 0.38
0.16
0.15
0.05
0.039
0.016
0.028
0.020
0.01
0.01
0.004
0.028
0.012
0.244
0.041
0.228
θ
o
8
o
0
Note
1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included.
Fig. 7.
REFERENCES
OUTLINE
VERSION
IEC
JEDEC
SOT109-1
076E07
MS-012
JEITA
EUROPEAN
PROJECTION
ISSUE DATE
99-12-27
03-02-19
Package outline SOT109-1 (SO16)
HEF4520B
Product data sheet
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HEF4520B
Nexperia
Dual binary counter
12. Abbreviations
Table 10. Abbreviations
Acronym
Description
CDM
Charged Device Model
DUT
Device Under Test
ESD
ElectroStatic Discharge
HBM
Human Body Model
MM
Machine Model
13. Revision history
Table 11. Revision history
Document ID
Release date
Data sheet status
Change notice
Supersedes
HEF4520B v.8
20220301
Product data sheet
-
HEF4520B v.7
Modifications:
•
•
•
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.
Section 1, Section 2, and Section 12 updated.
HEF4520B v.7
20160330
Modifications:
•
HEF4520B v.6
20111118
Modifications:
•
•
HEF4520B v.5
20091210
Product data sheet
-
HEF4520B v.4
HEF4520B v.4
20090828
Product data sheet
-
HEF4520B_CNV v.3
HEF4520B_CNV v.3
19950101
Product specification
-
HEF4520B_CNV v.2
HEF4520B_CNV v.2
19950101
Product specification
-
-
HEF4520B
Product data sheet
Product data sheet
-
HEF4520B v.6
Type number HEF4520BP (SOT38-4) removed.
Product data sheet
-
HEF4520B v.5
Section Applications removed
Table 6: IOH minimum values changed to maximum
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10 / 12
HEF4520B
Nexperia
Dual binary counter
14. Legal information
injury, death or severe property or environmental damage. Nexperia and its
suppliers accept no liability for inclusion and/or use of Nexperia products in
such equipment or applications and therefore such inclusion and/or use is at
the customer’s own risk.
Data sheet status
Quick reference data — The Quick reference data is an extract of the
product data given in the Limiting values and Characteristics sections of this
document, and as such is not complete, exhaustive or legally binding.
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
Qualification
This document contains data from
the preliminary specification.
Product [short]
data sheet
Production
This document contains the product
specification.
[1]
[2]
[3]
Please consult the most recently issued document before initiating or
completing a design.
The term 'short data sheet' is explained in section "Definitions".
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 https://www.nexperia.com.
Definitions
Draft — The document is a draft version only. The content is still under
internal review and subject to formal approval, which may result in
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.
Short data sheet — A short data sheet is an extract from a full data sheet
with the same product type number(s) and title. A short data sheet is
intended for quick reference only and should not be relied upon to contain
detailed and full information. For detailed and full information see the relevant
full data sheet, which is available on request via the local Nexperia sales
office. In case of any inconsistency or conflict with the short data sheet, the
full data sheet shall prevail.
Product specification — The information and data provided in a Product
data sheet shall define the specification of the product as agreed between
Nexperia and its customer, unless Nexperia and customer have explicitly
agreed otherwise in writing. In no event however, shall an agreement be
valid in which the Nexperia product is deemed to offer functions and qualities
beyond those described in the Product data sheet.
Disclaimers
Limited warranty and liability — Information in this document is believed
to be accurate and reliable. However, Nexperia does not give any
representations or warranties, expressed or implied, as to the accuracy
or completeness of such information and shall have no liability for the
consequences of use of such information. Nexperia takes no responsibility
for the content in this document if provided by an information source outside
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special or consequential damages (including - without limitation - lost
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or replacement of any products or rework charges) whether or not such
damages are based on tort (including negligence), warranty, breach of
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Notwithstanding any damages that customer might incur for any reason
whatsoever, Nexperia’s aggregate and cumulative liability towards customer
for the products described herein shall be limited in accordance with the
Terms and conditions of commercial sale of Nexperia.
Right to make changes — Nexperia reserves the right to make changes
to information published in this document, including without limitation
specifications and product descriptions, at any time and without notice. This
document supersedes and replaces all information supplied prior to the
publication hereof.
Suitability for use — Nexperia products are not designed, authorized or
warranted to be suitable for use in life support, life-critical or safety-critical
systems or equipment, nor in applications where failure or malfunction
of an Nexperia product can reasonably be expected to result in personal
HEF4520B
Product data sheet
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
without further testing or modification.
Customers are responsible for the design and operation of their applications
and products using Nexperia products, and Nexperia accepts no liability for
any assistance with applications or customer product design. It is customer’s
sole responsibility to determine whether the Nexperia product is suitable
and fit for the customer’s applications and products planned, as well as
for the planned 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 any liability related to any default, damage, costs
or problem which is based on any weakness or default in the customer’s
applications or products, or the application or use by customer’s third party
customer(s). Customer is 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.
Limiting values — Stress above one or more limiting values (as defined in
the Absolute Maximum Ratings System of IEC 60134) will cause permanent
damage to the device. Limiting values are stress ratings only and (proper)
operation of the device at these or any other conditions above those
given in the Recommended operating conditions section (if present) or the
Characteristics sections of this document is not warranted. Constant or
repeated exposure to limiting values will permanently and irreversibly affect
the quality and reliability of the device.
Terms and conditions of commercial sale — Nexperia products are
sold subject to the general terms and conditions of commercial sale, as
published at http://www.nexperia.com/profile/terms, unless otherwise agreed
in a valid written individual agreement. In case an individual agreement is
concluded only the terms and conditions of the respective agreement shall
apply. Nexperia hereby expressly objects to applying the customer’s general
terms and conditions with regard to the purchase of Nexperia products by
customer.
No offer to sell or license — Nothing in this document may be interpreted
or construed as an offer to sell products that is open for acceptance or the
grant, conveyance or implication of any license under any copyrights, patents
or other industrial or intellectual property rights.
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.
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.
Trademarks
Notice: All referenced brands, product names, service names and
trademarks are the property of their respective owners.
All information provided in this document is subject to legal disclaimers.
Rev. 8 — 1 March 2022
©
Nexperia B.V. 2022. All rights reserved
11 / 12
HEF4520B
Nexperia
Dual binary counter
Contents
1. General description...................................................... 1
2. Features and benefits.................................................. 1
3. Ordering information....................................................1
4. Functional diagram.......................................................2
5. Pinning information......................................................3
5.1. Pinning.........................................................................3
5.2. Pin description............................................................. 3
6. Functional description................................................. 3
7. Limiting values............................................................. 4
8. Recommended operating conditions..........................4
9. Static characteristics....................................................4
10. Dynamic characteristics............................................ 5
10.1. Waveforms and test circuit........................................ 7
11. Package outline.......................................................... 9
12. Abbreviations............................................................ 10
13. Revision history........................................................10
14. Legal information......................................................11
©
Nexperia B.V. 2022. 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: 1 March 2022
HEF4520B
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 8 — 1 March 2022
©
Nexperia B.V. 2022. All rights reserved
12 / 12