74ALVC245 [NXP]
Octal bus transceiver; 3-state; 八路总线收发器;三态
| 型号： | 74ALVC245 |
| 厂家： | 
NXP |
| 描述： | Octal bus transceiver; 3-state |
| 文件： | 总13页 (文件大小：83K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
INTEGRATED CIRCUITS
DATA SHEET
74ALVC245
Octal bus transceiver; 3-state
Product specification
2003 Jul 10
Philips Semiconductors
Product specification
Octal bus transceiver; 3-state
74ALVC245
FEATURES
DESCRIPTION
• Wide supply voltage range from 1.65 to 3.6 V
The 74ALVC245 is a high-performance, low-power,
low-voltage, Si-gate CMOS device and superior to most
advanced CMOS compatible TTL families.
• Complies with JEDEC standard:
JESD8-7 (1.65 to 1.95 V)
JESD8-5 (2.3 to 2.7 V)
JESD8B/JESD36 (2.7 to 3.6 V).
The 74ALVC245 is an octal transceiver featuring
non-inverting 3-state bus compatible outputs in both send
and receive directions. The 74ALVC245 features an
output enable input (OE) for easy cascading and
send/receive input (DIR) for direction control. OE controls
the outputs, so that the buses are effectively isolated.
• 3.6 V tolerant inputs/outputs
• CMOS LOW power consumption
• Direct interface with TTL levels (2.7 to 3.6 V)
• Power-down mode
• Latch-up performance exceeds 250 mA
• ESD protection:
HBM EIA/JESD22-A114-A exceeds 2000 V
MM EIA/JESD22-A115-A exceeds 200 V.
QUICK REFERENCE DATA
GND = 0 V; Tamb = 25 °C.
SYMBOL
PARAMETER
CONDITIONS
TYPICAL
UNIT
ns
t
PHL/tPLH
propagation delay inputs An to Bn;
Bn to An
VCC = 1.8 V; CL = 30 pF; RL = 1 kΩ
2.7
V
V
V
CC = 2.5 V; CL = 30 pF; RL = 500 Ω 2.1
ns
ns
ns
pF
pF
CC = 2.7 V; CL = 50 pF; RL = 500 Ω 3.0
CC = 3.3 V; CL = 50 pF; RL = 500 Ω 2.3
CI
input capacitance
3.5
3.5
CI/O
CPD
input/output capacitance
power dissipation capacitance per buffer
VCC = 3.3 V; notes 1 and 2
outputs enable
25
1
pF
pF
outputs disabled
Notes
1. CPD is used to determine the dynamic power dissipation (PD in 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 = total load switching outputs;
Σ(CL × VCC2 × fo) = sum of the outputs.
2. The condition is VI = GND to VCC
.
2003 Jul 10
2
Philips Semiconductors
Product specification
Octal bus transceiver; 3-state
74ALVC245
ORDERING INFORMATION
PACKAGE
TYPE NUMBER
PINS
PACKAGE
MATERIAL
CODE
74ALVC245D
20
20
SO20
plastic
plastic
SOT163-1
SOT360-1
74ALVC245PW
TSSOP20
FUNCTION TABLE
See note 1.
INPUT
INPUT/OUTPUT
OE
DIR
An
Bn
L
L
L
H
X
A = B
input
Z
input
B = A
Z
H
Note
1. H = HIGH voltage level;
L = LOW voltage level;
X = don’t care;
Z = high-impedance OFF-state.
PINNING
PIN
PIN
SYMBOL
DESCRIPTION
data input/output
SYMBOL
DESCRIPTION
direction control
11
12
13
14
15
16
17
18
19
B7
B6
B5
B4
B3
B2
B1
B0
OE
1
2
DIR
A0
data input/output
data input/output
data input/output
data input/output
data input/output
data input/output
data input/output
data input/output
data input/output
data input/output
data input/output
data input/output
data input/output
data input/output
data input/output
ground (0 V)
3
A1
4
A2
5
A3
6
A4
7
A5
8
A6
output enable input (active
LOW)
9
A7
20
VCC
supply voltage
10
GND
2003 Jul 10
3
Philips Semiconductors
Product specification
Octal bus transceiver; 3-state
74ALVC245
handbook, halfpage
V
20
DIR
1
2
CC
19 OE
A0
A1
3
18
17
16
15
14
13
B0
B1
B2
B3
B4
B5
4
A2
A3
5
245
A4
6
handbook, halfpage
1
DIR
A5
7
OE
19
8
A6
A0
A1
A7
9
12 B6
11
2
3
B0
18
GND
10
B7
MNA173
B1
17
A2
A3
A4
A5
A6
A7
4
B2
16
Fig.1 Pin configuration..
5
6
7
B3
15
B4
14
19
handbook, halfpage
G3
1
3EN1
B5
13
3EN2
8
9
B6
12
1
18
2
2
B7
11
3
4
5
6
7
8
9
17
16
15
14
13
12
11
MNA174
MNA175
Fig.2 IEE/IEC logic symbol.
Fig.3 Logic symbol.
2003 Jul 10
4
Philips Semiconductors
Product specification
Octal bus transceiver; 3-state
74ALVC245
RECOMMENDED OPERATING CONDITIONS
SYMBOL
VCC
PARAMETER
supply voltage
CONDITIONS
MIN.
1.65
MAX.
UNIT
3.6
3.6
V
V
V
V
V
VI
input voltage
0
VO
output voltage
VCC = 1.65 to 3.6 V; enable mode 0
VCC
3.6
3.6
+85
20
V
CC = 1.65 to 3.6 V; disable mode 0
V
CC = 0 V; Power-down mode
0
Tamb
tr, tf
operating ambient temperature
input rise and fall times
−40
0
°C
VCC = 1.65 to 2.7 V
VCC = 2.7 to 3.6 V
ns/V
ns/V
0
10
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134); voltages are referenced to GND (ground = 0 V).
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
VCC supply voltage −0.5 +4.6
V
IIK
input diode current
input voltage
VI < 0
−
−50
mA
V
VI
−0.5
−
+4.6
IOK
VO
output diode current
output voltage
VO > VCC or VO < 0
enable mode; notes 1 and 2
disable mode
±50
mA
V
−0.5
−0.5
−0.5
−
VCC + 0.5
+4.6
V
Power-down mode; note 2
VO = 0 to VCC
+4.6
V
IO
output source or sink current
VCC or GND current
storage temperature
power dissipation
±50
mA
mA
°C
IGND, ICC
−
±100
+150
Tstg
Ptot
−65
SO20 package
above 70 °C derate linearly with
8 mW/K
−
−
500
500
mW
mW
TSSOP20 package
above 60 °C derate linearly with
5.5 mW/K
Notes
1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
2. When VCC = 0 V (Power-down mode), the output voltage can be 3.6 V in normal operation.
2003 Jul 10
5
Philips Semiconductors
Product specification
Octal bus transceiver; 3-state
74ALVC245
DC CHARACTERISTICS
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
TEST CONDITIONS
SYMBOL
PARAMETER
MIN.
TYP.(1)
MAX.
UNIT
OTHER
VCC (V)
Tamb = −40 to +85 °C
VIH HIGH-level input
1.65 to 1.95 0.65 × VCC
−
−
−
−
−
−
−
−
−
V
V
V
V
V
V
voltage
2.3 to 2.7
2.7 to 3.6
1.65 to 1.95
2.3 to 2.7
2.7 to 3.6
1.7
2
VIL
LOW-level input
voltage
−
0.35 × VCC
0.7
−
−
0.8
VOL
LOW-level output
voltage
VI = VIH or VIL
IO = 100 µA
IO = 6 mA
1.65 to 3.6
1.65
2.3
−
−
−
−
−
−
−
−
−
−
−
−
−
−
0.2
0.3
0.4
0.6
0.4
0.4
0.55
V
V
V
V
V
V
V
IO = 12 mA
IO = 18 mA
2.3
IO = 12 mA
2.7
IO = 18 mA
3.0
IO = 24 mA
3.0
VOH
HIGH-level output
voltage
VI = VIH or VIL
IO = −100 µA
IO = −6 mA
1.65 to 3.6
1.65
2.3
V
CC − 0.2
−
−
V
1.25
1.8
1.7
2.2
2.4
2.2
−
−
−
V
IO = −12 mA
IO = −18 mA
IO = −12 mA
IO = −18 mA
IO = −24 mA
VI = 3.6 V or GND
−
−
V
2.3
−
−
V
2.7
−
−
V
3.0
−
−
V
3.0
−
−
V
ILI
input leakage
current
3.6
±0.1
±5
µA
IOZ
Ioff
ICC
∆ICC
3-state output
OFF-state current
VI = VIH or VIL;
VO = 3.6 V or GND; note 2
3.6
−
−
−
−
0.1
±0.1
0.2
5
±10
±10
10
µA
µA
µA
µA
power OFF leakage VI or VO = 3.6 V
current
0.0
quiescent supply
current
VI = VCC or GND; IO = 0
3.6
additional
VI = VCC − 0.6 V; IO = 0
3.0 to 3.6
750
quiescent supply
current per input
pin
Notes
1. All typical values are measured at VCC = 3.3 V and Tamb = 25 °C.
2. For transceivers, the parameters IOZ includes the input leakage current.
2003 Jul 10
6
Philips Semiconductors
Product specification
Octal bus transceiver; 3-state
74ALVC245
AC CHARACTERISTICS
TEST CONDITIONS
WAVEFORMS VCC (V)
SYMBOL
PARAMETER
MIN.
TYP.(1)
MAX.
UNIT
Tamb = −40 to +85 °C
tPHL/tPLH propagation delay
An to Bn; Bn to An
see Figs 4 and 6
see Figs 5 and 6
see Figs 5 and 6
1.65 to 1.95 1.0
2.7
6.0
ns
2.3 to 2.7
2.7
1.0
1.0
1.0
2.1
3.0
2.3
4.0
3.0
2.6
2.9
4.4
2.3
3.3
3.2
3.5
3.6
3.4
8.6
6.0
6.3
5.5
8.0
4.8
5.3
5.5
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
3.0 to 3.6
tPZH/tPZL
3-state output enable time
1.65 to 1.95 1.0
OE to An; OE to Bn
2.3 to 2.7
2.7
1.0
1.0
1.0
3.0 to 3.6
tPHZ/tPLZ
3-state output disable time
OE to An; OE to Bn
1.65 to 1.95 1.0
2.3 to 2.7
2.7
1.0
1.0
1.0
3.0 to 3.6
Note
1. All typical values are measured at Tamb = 25 °C.
AC WAVEFORMS
V
handbook, halfpage
I
An, Bn input
GND
V
V
M
M
t
t
PLH
PHL
V
OH
V
V
Bn, An output
M
M
V
OL
MNA176
INPUT
tr = tf
VCC
VM
VI
1.65 to 1.95 V
2.3 to 2.7 V
2.7 V
0.5 × VCC VCC
0.5 × VCC VCC
≤ 2.0 ns
≤ 2.0 ns
≤ 2.5 ns
≤ 2.5 ns
1.5 V
1.5 V
2.7 V
2.7 V
3.0 to 3.6 V
Fig.4 Input (An, Bn) to output (Bn, An) propagation delay times.
2003 Jul 10
7
Philips Semiconductors
Product specification
Octal bus transceiver; 3-state
74ALVC245
V
I
V
OE input
M
GND
t
t
PZL
PLZ
V
CC
output
LOW-to-OFF
OFF-to-LOW
V
M
V
V
x
OL
t
t
PHZ
PZH
V
OH
V
y
output
V
HIGH-to-OFF
OFF-to-HIGH
M
GND
outputs
enabled
outputs
enabled
outputs
disabled
MNA655
INPUT
VCC
VM
VI
tr = tf
VX = VOL + 0.3 V at VCC ≥ 2.7 V;
VX = VOL + 0.15 V at VCC < 2.7 V;
Y = VOH − 0.3 V at VCC ≥ 2.7 V;
VY = VOH − 0.15 V at VCC < 2.7 V.
1.65 to 1.95 V 0.5 × VCC VCC
≤ 2.0 ns
≤ 2.0 ns
≤ 2.5 ns
≤ 2.5 ns
2.3 to 2.7 V
2.7 V
0.5 × VCC VCC
V
1.5 V
1.5 V
2.7 V
2.7 V
3.0 to 3.6 V
VOL and VOH are typical output voltage drop that occur with the output load.
Fig.5 3-state enable and disable times.
2003 Jul 10
8
Philips Semiconductors
Product specification
Octal bus transceiver; 3-state
74ALVC245
V
EXT
V
CC
R
L
V
V
O
I
PULSE
GENERATOR
D.U.T.
C
R
R
L
L
T
MNA616
VEXT
VCC
VI
CL
RL
1 kΩ
tPLH/tPHL
tPZH/tPHZ
tPZL/tPLZ
1.65 to 1.95 V
2.3 to 2.7 V
2.7 V
VCC
VCC
30 pF
30 pF
open
open
open
open
GND
GND
GND
GND
2 × VCC
2 × VCC
6 V
500 Ω
500 Ω
500 Ω
2.7 V 50 pF
2.7 V 50 pF
3.0 to 3.6 V
6 V
Definitions for test circuit:
RL = Load resistor.
CL = Load capacitance including jig and probe capacitance.
RT = Termination resistance should be equal to the output impedance Zo of the pulse generator.
Fig.6 Load circuitry for switching times.
2003 Jul 10
9
Philips Semiconductors
Product specification
Octal bus transceiver; 3-state
74ALVC245
PACKAGE OUTLINES
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
0.01
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 0.004
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
2003 Jul 10
10
Philips Semiconductors
Product specification
Octal bus transceiver; 3-state
74ALVC245
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
0.25
1
0.2
0.13
0.1
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
2003 Jul 10
11
Philips Semiconductors
Product specification
Octal bus transceiver; 3-state
74ALVC245
DATA SHEET STATUS
DATA SHEET
STATUS(1)
PRODUCT
STATUS(2)(3)
LEVEL
DEFINITION
I
Objective data
Development This data sheet contains data from the objective specification for product
development. Philips Semiconductors reserves the right to change the
specification in any manner without notice.
II
Preliminary data Qualification
This data sheet contains data from the preliminary specification.
Supplementary data will be published at a later date. Philips
Semiconductors reserves the right to change the specification without
notice, in order to improve the design and supply the best possible
product.
III
Product data
Production
This data sheet contains data from the product specification. Philips
Semiconductors reserves the right to make changes at any time in order
to improve the design, manufacturing and supply. Relevant changes will
be communicated via a Customer Product/Process Change Notification
(CPCN).
Notes
1. Please consult the most recently issued data sheet before initiating or completing a design.
2. The product status of the device(s) described in this data sheet may have changed since this data sheet was
published. The latest information is available on the Internet at URL http://www.semiconductors.philips.com.
3. For data sheets describing multiple type numbers, the highest-level product status determines the data sheet status.
DEFINITIONS
DISCLAIMERS
Short-form specification
The data in a short-form
Life support applications
These products are not
specification is extracted from a full data sheet with the
same type number and title. For detailed information see
the relevant data sheet or data handbook.
designed for use in life support appliances, devices, or
systems where malfunction of these products can
reasonably be expected to result in personal injury. Philips
Semiconductors customers using or selling these products
for use in such applications do so at their own risk and
agree to fully indemnify Philips Semiconductors for any
damages resulting from such application.
Limiting values definition Limiting values given are in
accordance with the Absolute Maximum Rating System
(IEC 60134). Stress above one or more of the limiting
values may cause permanent damage to the device.
These are stress ratings only and operation of the device
at these or at any other conditions above those given in the
Characteristics sections of the specification is not implied.
Exposure to limiting values for extended periods may
affect device reliability.
Right to make changes
Philips Semiconductors
reserves the right to make changes in the products -
including circuits, standard cells, and/or software -
described or contained herein in order to improve design
and/or performance. When the product is in full production
(status ‘Production’), relevant changes will be
Application information
Applications that are
communicated via a Customer Product/Process Change
Notification (CPCN). Philips Semiconductors assumes no
responsibility or liability for the use of any of these
products, conveys no licence or title under any patent,
copyright, or mask work right to these products, and
makes no representations or warranties that these
products are free from patent, copyright, or mask work
right infringement, unless otherwise specified.
described herein for any of these products are for
illustrative purposes only. Philips Semiconductors make
no representation or warranty that such applications will be
suitable for the specified use without further testing or
modification.
2003 Jul 10
12
Philips Semiconductors – a worldwide company
Contact information
For additional information please visit http://www.semiconductors.philips.com.
Fax: +31 40 27 24825
For sales offices addresses send e-mail to: sales.addresses@www.semiconductors.philips.com.
© Koninklijke Philips Electronics N.V. 2003
SCA75
All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner.
The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed
without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license
under patent- or other industrial or intellectual property rights.
Printed in The Netherlands
613508/01/pp13
Date of release: 2003 Jul 10
Document order number: 9397 750 11647
相关型号：
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