CBT3257AD [NEXPERIA]
Quad 1-of-2 multiplexer/demultiplexerProduction;
| 型号： | CBT3257AD |
| 厂家： | 
Nexperia |
| 描述： | Quad 1-of-2 multiplexer/demultiplexerProduction 光电二极管 逻辑集成电路 |
| 文件： | 总13页 (文件大小：251K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
CBT3257A
Quad 1-of-2 multiplexer/demultiplexer
Rev. 9 — 29 July 2021
Product data sheet
1. General description
The CBT3257A is a quad single-pole, dual-throw bus switch. The device features an output enable
input (OE) and a select input (S). When OE is LOW the switch is enabled and the select input can
be used to connect the nA terminals to either of the associated nB terminals.
2. Features and benefits
•
5 Ω switch connection between two ports
•
•
•
•
•
Minimal propagation delay through the switch
Direct interface with TTL levels
Overvoltage tolerant control inputs to 5.5 V
Latch-up protection exceeds 100 mA per JEDEC standard JESD78 class II level A
ESD protection:
•
•
•
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-A exceeds 200 V
CDM JESD22-C101E exceeds 1000 V
•
•
Multiple package options
Specified from -40 °C to +85 °C
3. Ordering information
Table 1. Ordering information
Type number
Temperature range Package
Name
Description
Version
CBT3257AD
-40 °C to +85 °C
-40 °C to +85 °C
-40 °C to +85 °C
-40 °C to +85 °C
SO16
plastic small outline package; 16 leads;
body width 3.9 mm
SOT109-1
CBT3257ADS
CBT3257APW
CBT3257ABQ
SSOP16 [1]
TSSOP16
plastic shrink small outline package; 16 leads;
body width 3.9 mm; lead pitch 0.635 mm
SOT519-1
SOT403-1
SOT763-1
plastic thin shrink small outline package; 16 leads;
body width 4.4 mm
DHVQFN16 plastic dual in-line compatible thermal enhanced
very thin quad flat package; no leads; 16 terminals;
body 2.5 × 3.5 × 0.85 mm
[1] Also known as QSOP16.
Nexperia
CBT3257A
Quad 1-of-2 multiplexer/demultiplexer
4. Functional diagram
4
7
2
1A
1B1
3
1B2
5
2A
3A
4A
2B1
6
2B2
9
11
3B1
10
3B2
12
14
4B1
13
4B2
1
S
15
OE
002aab779
Fig. 1. Logic diagram
5. Pinning information
5.1. Pinning
CBT3257A
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
S
1B1
1B2
1A
V
CC
OE
4B1
4B2
4A
CBT3257A
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
S
1B1
1B2
1A
V
CC
OE
4B1
4B2
4A
2B1
2B2
2A
3B1
3B2
3A
2B1
2B2
2A
3B1
3B2
3A
9
GND
GND
001aai364
001aai365
Fig. 2. Pin configuration SOT109-1 (SO16) and
SOT519-1 (SSOP16)
Fig. 3. Pin configuration SOT403-1 (TSSOP16)
©
CBT3257A
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 9 — 29 July 2021
2 / 13
Nexperia
CBT3257A
Quad 1-of-2 multiplexer/demultiplexer
CBT3257A
terminal 1
index area
2
3
4
5
6
7
15
14
13
12
11
10
1B1
OE
1B2
1A
4B1
4B2
4A
2B1
2B2
2A
(1)
3B1
3B2
GND
001aai366
Transparent top view
(1) This is not a ground pin. There is no electrical or mechanical requirement to solder the pad. In case soldered,
the solder land should remain floating or connected to GND.
Fig. 4. Pin configuration SOT763-1 (DHVQFN16)
5.2. Pin description
Table 2. Pin description
Symbol
Pin
Description
S
1
select control input
B1 outputs/inputs
B2 outputs/inputs
A inputs/outputs
1B1, 2B1, 3B1, 4B1,
2, 5, 11, 14
1B2, 2B2, 3B2, 4B2
3, 6, 10, 13
1A, 2A, 3A, 4A
4, 7, 9, 12
GND
OE
8
ground (0 V)
15
16
output enable (active LOW)
positive supply voltage
VCC
6. Functional description
Table 3. Function selection
H = HIGH voltage level; L = LOW voltage level; X = Don’t care.
Inputs
Switch
OE
L
S
L
nA to nB1
nA to nB2
switch off
L
H
X
H
©
CBT3257A
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 9 — 29 July 2021
3 / 13
Nexperia
CBT3257A
Quad 1-of-2 multiplexer/demultiplexer
7. Limiting values
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter
Conditions
Min
-0.5
-0.5
-
Max
+7.0
+7.0
128
-
Unit
V
VCC
VI
supply voltage
input voltage
[1]
V
ISW
IIK
switch current
continuous current through each switch
VI < 0 V
mA
mA
°C
input clamping current
storage temperature
total power dissipation
-50
-65
-
Tstg
Ptot
+150
500
Tamb = -40 °C to +85 °C
mW
[1] The input and output negative voltage ratings may be exceeded if the input and output clamp current ratings are observed.
8. Recommended operating conditions
Table 5. Operating conditions
All unused control inputs of the device must be held at VCC or GND to ensure proper device operation.
Symbol
VCC
Parameter
Conditions
Min
4.5
2.0
-
Max
5.5
-
Unit
V
supply voltage
VIH
HIGH-level input voltage
LOW-level input voltage
ambient temperature
V
VIL
0.8
+85
V
Tamb
operating in free-air
-40
°C
9. Static characteristics
Table 6. Static characteristics
Symbol Parameter
Conditions
Tamb = -40 °C to +85 °C. Unit
Min
Typ[1]
Max
-1.2
4.2
±1
VIK
Vpass
II
input clamping voltage
VCC = 4.5 V; II = -18 mA
-
-
V
pass voltage
VI = VCC = 5.0 V; IO = -100 μA
3.6
3.9
V
input leakage current
supply current
VCC = 5.5 V; VI = GND or 5.5 V
VCC = 5.5 V; IO = 0 mA; VI = VCC or GND
-
-
-
-
-
-
μA
μA
mA
ICC
3
ΔICC
additional supply current per input; VCC = 5.5 V; one input at 3.4 V,
other inputs at VCC or GND
[2]
[3]
2.5
CI
input capacitance
control pins; VI = 3 V or 0 V
A port; VO = 3 V or 0 V; OE = VCC
B port; VO = 3 V or 0 V; OE = VCC
VCC = 4.5 V
-
-
-
3.3
9.9
6.4
-
-
-
pF
pF
pF
Cio(off)
off-state input/output
capacitance
RON
ON resistance
VI = 0 V; II = 64 mA
-
-
-
5
5
7
7
Ω
Ω
Ω
VI = 0 V; II = 30 mA
VI = 2.4 V; II = 15 mA
10
15
[1] All typical values are measured at VCC = 5 V; Tamb = 25 °C.
[2] This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND.
[3] Measured by the voltage drop between the nA and the nBn terminals at the indicated current through the switch. The lowest voltage of
the two (nA or nBn) terminals determines the ON resistance.
©
CBT3257A
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 9 — 29 July 2021
4 / 13
Nexperia
CBT3257A
Quad 1-of-2 multiplexer/demultiplexer
10. Dynamic characteristics
Table 7. Dynamic characteristics
VCC = 4.5 V to 5.5 V; for test circuit see Fig. 7.
Symbol Parameter
Conditions
Tamb = -40 °C to +85 °C Unit
Min
-
Max
0.25
5.0
tpd
ten
tdis
propagation delay
nA to nBn or nBn to nA; see Fig. 5
S to nA; see Fig. 5
[1] [2]
[1] [2]
[2]
ns
ns
ns
ns
ns
ns
1.4
1.5
1.4
2.2
1.0
enable time
disable time
OE to nA or nBn; see Fig. 6
S to nBn; see Fig. 6
5.1
[2]
5.2
OE to nA or nBn; see Fig. 6
S to nBn; see Fig. 6
[2]
5.5
[2]
5.0
[1] This parameter is warranted but not production tested. The propagation delay is based on the RC time constant of the typical ON
resistance of the switch and a load capacitance, when driven by an ideal voltage source (zero output impedance).
[2] tPLH and tPHL are the same as tpd; tPZL and tPZH are the same as ten; tPLZ and tPHZ are the same as tdis
.
10.1. Waveforms and test circuit
V
I
V
V
M
input
0 V
M
t
t
PLH
PHL
V
OH
V
V
M
output
M
V
OL
001aai367
Measurement points are given in Table 8.
VOL and VOH are typical voltage output levels that occur with the output load.
Fig. 5. The input (nA; nBn) to output (nBn; nA) or input (S) to output (nA) propagation delay times
V
I
OE, S 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
V
M
OFF-to-HIGH
GND
outputs
enabled
outputs
disabled
outputs
enabled
001aai368
Measurement points are given in Table 8.
VOL and VOH are typical voltage output levels that occur with the output load.
Fig. 6. Enable and disable times
©
CBT3257A
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Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 9 — 29 July 2021
5 / 13
Nexperia
CBT3257A
Quad 1-of-2 multiplexer/demultiplexer
Table 8. Measurement points
Supply voltage
VCC
Input
Output
VM
VI
VM
VX
VY
4.5 V to 5.5 V
GND to 3.0 V
1.5 V
1.5 V
VOL + 0.3 V
VOH - 0.3 V
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
EXT
R
V
CC
L
V
V
O
I
G
DUT
R
T
C
L
R
L
001aae331
Test data is given in Table 9.
Definitions for test circuit:
RL = Load resistance.
CL = Load capacitance including jig and probe capacitance.
RT = Termination resistance should be equal to the output impedance Zo of the pulse generator.
VEXT = External voltage for measuring switching times.
Fig. 7. Test circuit for measuring switching times
Table 9. Test data
Supply voltage Input
Load
CL
VEXT
VCC
VI
tr, tf
RL
tPLH, tPHL
open
tPLZ, tPZL
tPHZ, tPZH
open
4.5 V to 5.5 V
GND to 3.0 V
≤ 2.5 ns
50 pF
500 Ω
7.0 V
©
CBT3257A
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 9 — 29 July 2021
6 / 13
Nexperia
CBT3257A
Quad 1-of-2 multiplexer/demultiplexer
11. Package outline
SO16: plastic small outline package; 16 leads; body width 3.9 mm
SOT109-1
D
E
A
X
v
c
y
H
M
A
E
Z
16
9
Q
A
2
A
(A )
3
A
1
pin 1 index
θ
L
p
L
1
8
e
w
M
detail X
b
p
0
2.5
scale
5 mm
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
A
(1)
(1)
(1)
UNIT
A
A
A
b
c
D
E
e
H
E
L
L
p
Q
v
w
y
Z
θ
1
2
3
p
max.
0.25
0.10
1.45
1.25
0.49
0.36
0.25
0.19
10.0
9.8
4.0
3.8
6.2
5.8
1.0
0.4
0.7
0.6
0.7
0.3
mm
1.27
0.05
1.05
0.041
1.75
0.25
0.01
0.25
0.1
0.25
0.01
8o
0o
0.0100
0.0075
0.010 0.057
0.004 0.049
0.019
0.014
0.39
0.38
0.16
0.15
0.244
0.228
0.039 0.028
0.016 0.020
0.028
0.012
inches
0.069
0.01 0.004
Note
1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included.
REFERENCES
OUTLINE
EUROPEAN
PROJECTION
ISSUE DATE
VERSION
IEC
JEDEC
JEITA
99-12-27
03-02-19
SOT109-1
076E07
MS-012
Fig. 8. Package outline SOT109-1 (SO16)
©
CBT3257A
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 9 — 29 July 2021
7 / 13
Nexperia
CBT3257A
Quad 1-of-2 multiplexer/demultiplexer
SSOP16: plastic shrink small outline package; 16 leads; body width 3.9 mm; lead pitch 0.635 mm
SOT519-1
D
E
A
X
c
y
H
v
M
A
E
Z
9
16
A
2
A
(A )
3
A
1
θ
L
p
L
8
1
detail X
w M
e
b
p
0
2.5
5 mm
scale
DIMENSIONS (mm are the original dimensions)
A
(1)
(1)
(1)
UNIT
A
A
A
b
c
D
E
e
H
L
L
v
w
y
Z
θ
p
p
1
2
3
E
max.
8o
0o
0.25
0.10
1.55
1.40
0.31
0.20
0.25
0.18
5.0
4.8
4.0
3.8
6.2
5.8
0.89
0.41
0.18
0.05
mm
1.73
0.25
0.635
1
0.2
0.18
0.09
Note
1. Plastic or metal protrusions of 0.2 mm maximum per side are not included.
REFERENCES
OUTLINE
EUROPEAN
PROJECTION
ISSUE DATE
VERSION
IEC
JEDEC
JEITA
99-05-04
03-02-18
SOT519-1
Fig. 9. Package outline SOT519-1 (SSOP16)
©
CBT3257A
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Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 9 — 29 July 2021
8 / 13
Nexperia
CBT3257A
Quad 1-of-2 multiplexer/demultiplexer
TSSOP16: plastic thin shrink small outline package; 16 leads; body width 4.4 mm
SOT403-1
D
E
A
X
c
y
H
v
M
A
E
Z
9
16
Q
(A )
3
A
2
A
A
1
pin 1 index
θ
L
p
L
1
8
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
5.1
4.9
4.5
4.3
6.6
6.2
0.75
0.50
0.4
0.3
0.40
0.06
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
03-02-18
SOT403-1
MO-153
Fig. 10. Package outline SOT403-1 (TSSOP16)
©
CBT3257A
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 9 — 29 July 2021
9 / 13
Nexperia
CBT3257A
Quad 1-of-2 multiplexer/demultiplexer
DHVQFN16: plastic dual in-line compatible thermal enhanced very thin quad flat package; no leads;
16 terminals; body 2.5 x 3.5 x 0.85 mm
SOT763-1
B
A
D
A
A
1
E
c
detail X
terminal 1
index area
C
terminal 1
index area
e
1
y
y
e
b
v
M
C
C
A
B
C
1
w
M
2
7
L
1
8
9
E
h
e
16
15
10
D
h
X
0
2.5
scale
5 mm
DIMENSIONS (mm are the original dimensions)
(1)
A
(1)
(1)
UNIT
A
1
b
c
E
h
e
e
y
D
D
E
L
v
w
y
1
1
h
max.
0.05 0.30
0.00 0.18
3.6
3.4
2.15
1.85
2.6
2.4
1.15
0.85
0.5
0.3
mm
0.05
0.1
1
0.2
0.5
2.5
0.1
0.05
Note
1. Plastic or metal protrusions of 0.075 mm maximum per side are not included.
REFERENCES
OUTLINE
EUROPEAN
PROJECTION
ISSUE DATE
VERSION
IEC
JEDEC
JEITA
02-10-17
03-01-27
SOT763-1
- - -
MO-241
- - -
Fig. 11. Package outline SOT763-1 (DHVQFN16)
©
CBT3257A
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 9 — 29 July 2021
10 / 13
Nexperia
CBT3257A
Quad 1-of-2 multiplexer/demultiplexer
12. Abbreviations
Table 10. Abbreviations
Acronym
Description
CDM
DUT
ESD
HBM
MM
Charged Device Model
Device Under Test
ElectroStatic Discharge
Human Body Model
Machine Model
TTL
Transistor-Transistor Logic
13. Revision history
Table 11. Revision history
Document ID
Release date Data sheet status
20210729 Product data sheet
Type number CBT3257ADB (SOT338-1 / SSOP16) removed.
20210316 Product data sheet CBT3257A v.7
Type number CBT3257ADB (SOT338-1 / SSOP16) added.
20210208 Product data sheet CBT3257A v.6
Change notice Supersedes
CBT3257A v.9
Modifications:
-
CBT3257A v.8
•
CBT3257A v.8
Modifications:
-
•
CBT3257A v.7
Modifications:
-
•
•
Type number CBT3257ADB (SOT338-1 / SSOP16) removed.
Section 1 and Section 2 updated.
CBT3257A v.6
Modifications:
20190620
Product data sheet
-
CBT3257A v.5
•
•
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.
CBT3257A v.5
Modifications:
20130404
Product data sheet
-
CBT3257A v.4
•
Table 6: values for pass voltage modified.
CBT3257A v.4
CBT3257A v.3
CBT3257A v.2
CBT3257A v.1
20090319
20080704
20070704
20051027
Product data sheet
Product data sheet
Product data sheet
Product data sheet
-
-
-
-
CBT3257A v.3
CBT3257A v.2
CBT3257A v.1
-
©
CBT3257A
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 9 — 29 July 2021
11 / 13
Nexperia
CBT3257A
Quad 1-of-2 multiplexer/demultiplexer
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.
14. Legal information
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.
Data sheet status
Document status Product
Definition
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.
[1][2]
status [3]
Objective [short]
data sheet
Development
This document contains data from
the objective specification for
product development.
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.
Preliminary [short]
data sheet
Qualification
Production
This document contains data from
the preliminary specification.
Product [short]
data sheet
This document contains the product
specification.
[1] Please consult the most recently issued document before initiating or
completing a design.
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.
[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 https://www.nexperia.com.
Definitions
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
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©
CBT3257A
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 9 — 29 July 2021
12 / 13
Nexperia
CBT3257A
Quad 1-of-2 multiplexer/demultiplexer
Contents
1. General description......................................................1
2. Features and benefits.................................................. 1
3. Ordering information....................................................1
4. Functional diagram.......................................................2
5. Pinning information......................................................2
5.1. Pinning.........................................................................2
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........................................ 5
11. Package outline.......................................................... 7
12. Abbreviations............................................................11
13. Revision history........................................................11
14. Legal information......................................................12
© Nexperia B.V. 2021. 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: 29 July 2021
©
CBT3257A
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 9 — 29 July 2021
13 / 13
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