74LVTH2245PW [NEXPERIA]
3.3 V octal transceiver with 30 Ohm termination resistors; 3-stateProduction;
| 型号： | 74LVTH2245PW |
| 厂家： | 
Nexperia |
| 描述： | 3.3 V octal transceiver with 30 Ohm termination resistors; 3-stateProduction |
| 文件： | 总12页 (文件大小：232K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
74LVT2245; 74LVTH2245
3.3 V octal transceiver with 30 Ω termination resistors;
3-state
Rev. 7 — 17 August 2021
Product data sheet
1. General description
The 74LVT2245; 74LVTH2245 is an 8-bit transceiver with 30 Ω termination resistors and 3-state
outputs. The device features an output enable (OE) and send/receive (DIR) for direction control.
A HIGH on OE causes the outputs to assume a high-impedance OFF-state. Bus hold data inputs
eliminate the need for external pull-up resistors to define unused inputs
2. Features and benefits
•
30 Ω output termination resistors
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Octal bidirectional bus interface
3-state buffers
Wide supply voltage range from 2.7 to 3.6 V
BiCMOS high speed and output drive
Output capability: +12 mA and -12 mA
TTL input and output switching levels
Overvoltage tolerant inputs to 5.5 V
Bus hold data inputs eliminate need for external pull-up resistors to hold unused inputs
Live insertion and extraction permitted
Direct interface with TTL levels
Power-up 3-state
No bus current loading when output is tied to 5 V bus
IOFF circuitry provides partial Power-down mode operation
Latch-up performance exceeds 500 mA per JESD 78 Class II Level B
Complies with JEDEC standards JESD8C (2.7 V to 3.6 V)
ESD protection:
•
•
MIL STD 883 method 3015: exceeds 2000 V
MM JESD22-A115-A exceeds 200 V (C = 200 pF, R = 0 Ω)
3. Ordering information
Table 1. Ordering information
Type number
Package
Temperature range Name
Description
Version
74LVT2245D
-40 °C to +85 °C
-40 °C to +85 °C
SO20
plastic small outline package; 20 leads;
body width 7.5 mm
SOT163-1
74LVTH2245D
74LVT2245PW
74LVTH2245PW
TSSOP20
plastic thin shrink small outline package; 20 leads; SOT360-1
body width 4.4 mm
Nexperia
74LVT2245; 74LVTH2245
3.3 V octal transceiver with 30 Ω termination resistors; 3-state
4. Functional diagram
1
DIR
19
OE
2
A0
18
B0
19
3
G3
A1
17
3 EN1 (BA)
3 EN2 (AB)
B1
1
2
V
V
CC
CC
4
A2
16
B2
5
A3
18
1
15
B3
2
6
A4
17
16
15
14
13
12
11
3
4
5
6
7
8
9
25 Ω
14
B4
7
A5
13
B5
25 Ω
8
A6
12
B6
9
A7
11
B7
mna817
mna818
mna819
Fig. 1. Logic symbol
Fig. 2. IEC logic symbol
Fig. 3. Schematic of one output
5. Pinning information
5.1. Pinning
74LVT2245
74LVTH2245
74LVT2245
74LVTH2245
1
2
20
V
DIR
A0
1
2
20
19
18
17
16
15
14
13
12
11
DIR
A0
A1
A2
A3
A4
A5
A6
A7
V
CC
CC
19
18
17
16
15
14
13
12
11
OE
B0
B1
B2
B3
B4
B5
B6
B7
OE
B0
B1
B2
B3
B4
B5
B6
B7
3
3
A1
4
A2
4
5
A3
5
6
6
A4
7
A5
7
8
A6
8
9
9
A7
10
GND
10
GND
aaa-026622
001aae465
Fig. 4. Pin configuration SOT163-1 (SO20)
Fig. 5. Pin configuration SOT360-1 (TSSOP20)
©
74LVT_LVTH2245
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 7 — 17 August 2021
2 / 12
Nexperia
74LVT2245; 74LVTH2245
3.3 V octal transceiver with 30 Ω termination resistors; 3-state
5.2. Pin description
Table 2. Pin description
Symbol
Pin
Description
DIR
1
direction control input
data input/output
ground (0 V)
A0, A1, A2, A3, A4, A5, A6, A7
2, 3, 4, 5, 6, 7, 8, 9
GND
10
B7, B6, B5, B4, B3, B2, B1, B0
11, 12, 13, 14, 15, 16, 17, 18
data input/output
output enable input
supply voltage
OE
19
20
VCC
6. Functional description
Table 3. Function table
H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.
Control
Input/output
OE
L
DIR
L
An
Bn
output An = Bn
input
L
H
input
Z
output Bn = An
Z
H
X
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
-50
-50
-
Max
+4.6
+7.0
+7.0
-
Unit
V
VCC
VI
supply voltage
input voltage
[1]
[1]
V
VO
IIK
output voltage
output in OFF-state or HIGH-state
VI < 0 V
V
input clamping current
mA
mA
mA
mA
°C
IOK
IO
output clamping current VO < 0 V
-
output current
output in LOW-state
128
-
output in HIGH-state
-64
-65
-
Tstg
Tj
storage temperature
junction temperature
total power dissipation
+150
150
500
[2]
°C
Ptot
Tamb = -40 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.
[2] The performance capability of a high-performance integrated circuit in conjunction with its thermal environment can create junction
temperatures which are detrimental to reliability.
©
74LVT_LVTH2245
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 7 — 17 August 2021
3 / 12
Nexperia
74LVT2245; 74LVTH2245
3.3 V octal transceiver with 30 Ω termination resistors; 3-state
8. Recommended operating conditions
Table 5. Recommended operating conditions
Symbol Parameter
Conditions
Min
2.7
0
Typ
Max
3.6
5.5
-
Unit
V
VCC
VI
supply voltage
-
input voltage
-
V
IOH
HIGH-level output current
LOW-level output current
input transition rise and fall rate
ambient temperature
-12
-
-
mA
mA
ns/V
°C
IOL
-
-
12
Δt/ΔV
Tamb
outputs enabled
in free-air
-
10
-40
+25
+85
9. Static characteristics
Table 6. Static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
Min Typ[1] Max Unit
Tamb = -40 °C to +85 °C
VIK
VIH
VIL
VOH
VOL
II
input clamping voltage
VCC = 2.7 V; IIK = -18 mA
-1.2
2.0
-
-0.9
-
-
V
V
V
V
V
HIGH-level input voltage
LOW-level input voltage
HIGH-level output voltage
LOW-level output voltage
input leakage current
-
-
0.8
-
VCC = 3.0 V; IOH = -12 mA
VCC = 3.0 V; IOL = 12 mA
control pins
2.0
-
2.2
-
0.8
VCC = 0 V or 3.6 V; VI = 5.5 V
VCC = 3.6 V; VI = VCC or GND
I/O data pins; VCC = 3.6 V
VI = 5.5 V
-
-
1
10 μA
±1 μA
±0.1
[2]
-
-
1
0.1
-1
20 μA
VI = VCC
1
μA
μA
VI = 0 V
-
-5
IOFF
power-off leakage current
bus hold LOW current
VCC = 0 V; VI or VO = 0 V to 4.5 V
VCC = 3 V; VI = 0.8 V
VCC = 3 V; VI = 2.0 V
VCC = 3.6 V; VI = 0 V to 3.6 V
VCC = 3.6 V; VI = 0 V to 3.6 V
-
1
±100 μA
μA
IBHL
75
-
150
-150
-
-
IBHH
IBHLO
IBHHO
ICEX
bus hold HIGH current
-75 μA
500 μA
bus hold LOW overdrive current
bus hold HIGH overdrive current
output high leakage current
[3]
-
[3] -500
-
-
-
μA
output in HIGH-state when VO > VCC
;
60
125 μA
VO = 5.5 V; VCC = 3.0 V
IO(pu/pd) power-up/power-down output current VCC ≤ 1.2 V; VO = 0.5 V to VCC
;
[4]
-
15
±100 μA
VI = GND or VCC; OE = don’t care
©
74LVT_LVTH2245
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 7 — 17 August 2021
4 / 12
Nexperia
74LVT2245; 74LVTH2245
3.3 V octal transceiver with 30 Ω termination resistors; 3-state
Symbol Parameter
Conditions
Min Typ[1] Max Unit
ICC
supply current
VCC = 3.6 V; VI = GND or VCC; IO = 0 A
outputs HIGH
-
-
-
-
0.13
3
0.19 mA
12 mA
0.19 mA
0.2 mA
outputs LOW
outputs disabled
[5]
[6]
0.13
0.1
ΔICC
additional supply current
per input pin; VCC = 3 V to 3.6 V;
one input at VCC - 0.6 V;
other inputs at VCC or GND
CI
input capacitance
DIR and OE; VI = 0 V or 3.0 V
-
-
4
-
-
pF
pF
CI/O
input/output capacitance
An and Bn; outputs disabled;
VI/O = 0 V or 3.0 V
10
[1] Typical values are measured at VCC = 3.3 V and Tamb = 25 °C.
[2] Unused pins at VCC or GND.
[3] This is the bus hold overdrive current required to force the input to the opposite logic state.
[4] This parameter is valid for any VCC between 0 V and 1.2 V with a transition time of up to 10 ms.
From VCC = 1.2 V to VCC = 3.0 V to 3.6 V a transition time of 100 μs is permitted.
[5] ICC is measured with outputs pulled to VCC or GND.
[6] This is the increase in supply current for each input at the specified voltage level other than VCC or GND.
10. Dynamic characteristics
Table 7. Dynamic characteristics
Voltages are referenced to GND (ground = 0 V); for test circuit see Fig. 8.
Symbol Parameter
Conditions
Min
Typ[1]
Max
Unit
Tamb = -40 °C to +85 °C
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
LOW to HIGH
propagation delay
An to Bn or Bn to An; see Fig. 6
VCC = 2.7 V
-
-
5.3
4.6
ns
ns
VCC = 3.0 V to 3.6 V
An to Bn or Bn to An; see Fig. 6
VCC = 2.7 V
1.0
3.2
HIGH to LOW
propagation delay
-
-
4.9
4.5
ns
ns
VCC = 3.0 V to 3.6 V
see Fig. 7
1.0
3.1
OFF-state to HIGH
propagation delay
VCC = 2.7 V
-
-
9.1
7.0
ns
ns
VCC = 3.0 V to 3.6 V
see Fig. 7
1.1
4.5
OFF-state to LOW
propagation delay
VCC = 2.7 V
-
-
7.6
6.5
ns
ns
VCC = 3.0 V to 3.6 V
see Fig. 7
1.5
4.3
HIGH to OFF-state
propagation delay
VCC = 2.7 V
-
-
5.6
5.2
ns
ns
VCC = 3.0 V to 3.6 V
see Fig. 7
2.2
3.7
LOW to OFF-state
propagation delay
VCC = 2.7 V
-
-
5.0
5.0
ns
ns
VCC = 3.0 V to 3.6 V
2.0
3.6
[1] Typical values are measured at VCC = 3.3 V and Tamb = 25 °C.
©
74LVT_LVTH2245
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 7 — 17 August 2021
5 / 12
Nexperia
74LVT2245; 74LVTH2245
3.3 V octal transceiver with 30 Ω termination resistors; 3-state
10.1. Waveforms and test circuit
V
I
An or Bn
input
V
M
GND
t
t
PLH
PHL
V
OH
Bn or An
output
V
M
V
OL
mna820
VM = 1.5 V
VOL and VOH are typical voltage output levels that occur with the output load.
Fig. 6. Input (An or Bn) to output (Bn or An) propagation delays
2.7 V
OE input
1.5 V
0 V
t
t
PLZ
PZL
3.0 V
1.5 V
An or Bn output
Bn or An output
V
+ 0.3 V
OL
V
OL
t
t
PZH
PHZ
V
OH
V
- 0.3 V
OH
1.5 V
0 V
mna821
VOL and VOH are typical voltage output levels that occur with the output load.
Fig. 7. 3-state output enable and disable times
©
74LVT_LVTH2245
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 7 — 17 August 2021
6 / 12
Nexperia
74LVT2245; 74LVTH2245
3.3 V octal transceiver with 30 Ω termination resistors; 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
EXT
R
V
DD
L
V
V
O
I
G
DUT
R
T
C
L
R
L
001aai546
Test data is given in Table 8.
Definitions test circuit:
RL = Load resistance.
CL = Load capacitance including jig and probe capacitance.
RT = Termination resistance should be equal to output impedance Zo of the pulse generator.
VEXT = Test voltage for switching times.
Fig. 8. Test circuit for measuring switching times
Table 8. Test data
Input
VI
Load
CL
VEXT
fi
tW
tr, tf
RL
tPHZ, tPZH
GND
tPLZ, tPZL
tPLH, tPHL
2.7 V
≤ 10 MHz
500 ns
≤ 2.5 ns
50 pF
500 Ω
6 V
open
©
74LVT_LVTH2245
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 7 — 17 August 2021
7 / 12
Nexperia
74LVT2245; 74LVTH2245
3.3 V octal transceiver with 30 Ω termination resistors; 3-state
11. Package outline
SO20: plastic small outline package; 20 leads; body width 7.5 mm
SOT163-1
D
E
A
X
c
y
H
E
v
M
A
Z
20
11
Q
A
2
A
(A )
3
A
1
pin 1 index
θ
L
p
L
1
10
w
detail X
e
M
b
p
0
5
10 mm
scale
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
A
max.
(1)
(1)
(1)
UNIT
mm
A
A
A
b
c
D
E
e
H
L
L
Q
v
w
y
θ
1
2
3
p
E
p
Z
0.3
0.1
2.45
2.25
0.49
0.36
0.32
0.23
13.0
12.6
7.6
7.4
10.65
10.00
1.1
0.4
1.1
1.0
0.9
0.4
2.65
0.1
0.25
0.01
1.27
0.05
1.4
0.25 0.25
0.1
8o
0o
0.012 0.096
0.004 0.089
0.019 0.013 0.51
0.014 0.009 0.49
0.30
0.29
0.419
0.394
0.043 0.043
0.016 0.039
0.035
0.016
inches
0.055
0.01 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
SOT163-1
075E04
MS-013
Fig. 9. Package outline SOT163-1 (SO20)
©
74LVT_LVTH2245
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 7 — 17 August 2021
8 / 12
Nexperia
74LVT2245; 74LVTH2245
3.3 V octal transceiver with 30 Ω termination resistors; 3-state
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
Fig. 10. Package outline SOT360-1 (TSSOP20)
©
74LVT_LVTH2245
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 7 — 17 August 2021
9 / 12
Nexperia
74LVT2245; 74LVTH2245
3.3 V octal transceiver with 30 Ω termination resistors; 3-state
12. Abbreviations
Table 9. Abbreviations
Acronym
Description
BiCMOS
DUT
ESD
MIL
Bipolar Complementary Metal Oxide Semiconductor
Device Under Test
ElectroStatic Discharge
Military
MM
Machine Model
TTL
Transistor-Transistor Logic
13. Revision history
Table 10. Revision history
Document ID
Release date Data sheet status
20210817 Product data sheet
Type number 74LVT2245DB (SOT339-1/SSOP20) removed.
20210215 Product data sheet 74LVT_LVTH2245 v.5
Change notice Supersedes
74LVT_LVTH2245 v.7
Modifications:
- 74LVT_LVTH2245 v.6
•
74LVT_LVTH2245 v.6
Modifications:
-
•
•
•
Type number 74LVTH2245DB (SOT339-1 / SSOP20) removed.
Section 1 and Section 2 updated.
Section 9: Conditions for IBHLO and IBHHO corrected. (errata)
74LVT_LVTH2245 v.5
Modifications:
20170410
Product data sheet
-
74LVT_LVTH2245 v.4
•
•
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.
74LVT_LVTH2245 v.4
Modifications:
20060424
Product data sheet
-
74LVT_LVTH2245 v.3
•
Text changes have been made to the parameter descriptions of tPLH and tPHL in the
Quick reference and Dynamic characteristics tables.
74LVT_LVTH2245 v.3
74LVT2245 v.2
20060323
19980219
19960311
Product data sheet
Product specification
Product specification
-
-
-
74LVT2245 v.2
74LVT2245 v.1
-
74LVT2245 v.1
©
74LVT_LVTH2245
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 7 — 17 August 2021
10 / 12
Nexperia
74LVT2245; 74LVTH2245
3.3 V octal transceiver with 30 Ω termination resistors; 3-state
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
[1][2]
status [3]
Objective [short]
data sheet
Development
This document contains data from
the objective specification for
product development.
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.
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
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.
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.
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©
74LVT_LVTH2245
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 7 — 17 August 2021
11 / 12
Nexperia
74LVT2245; 74LVTH2245
3.3 V octal transceiver with 30 Ω termination resistors; 3-state
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............................................................. 3
8. Recommended operating conditions..........................4
9. Static characteristics....................................................4
10. Dynamic characteristics............................................ 5
10.1. Waveforms and test circuit........................................ 6
11. Package outline.......................................................... 8
12. Abbreviations............................................................10
13. Revision history........................................................10
14. Legal information......................................................11
© 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: 17 August 2021
©
74LVT_LVTH2245
All information provided in this document is subject to legal disclaimers.
Nexperia B.V. 2021. All rights reserved
Product data sheet
Rev. 7 — 17 August 2021
12 / 12
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