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PDF ( 数据手册 , 数据表 ) 74ALVCH16501

零件编号 74ALVCH16501
描述 18-bit universal bus transceiver
制造商 NXP Semiconductors
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74ALVCH16501 数据手册, 描述, 功能
74ALVCH16501
18-bit universal bus transceiver; 3-state
Rev. 5 — 10 July 2012
Product data sheet
1. General description
The 74ALVCH16501 is an 18-bit transceiver featuring non-inverting 3-state bus
compatible outputs in both send and receive directions. Data flow in each direction is
controlled by output enable (OEAB and OEBA), latch enable (LEAB and LEBA), and clock
(CPAB and CPBA) inputs. For A-to-B data flow, the device operates in the transparent
mode when LEAB is HIGH. When LEAB is LOW, the A data is latched if CPAB is held at a
HIGH or LOW logic level. If LEAB is LOW, the A-bus data is stored in the latch/flip-flop on
the LOW-to HIGH transition of CPAB. When OEAB is HIGH, the outputs are active. When
OEAB is LOW, the outputs are in the high-impedance state.
Data flow for B-to-A is similar to that of A-to-B but uses OEBA, LEBA and CPBA. The
output enables are complimentary (OEAB is active HIGH, and OEBA is active LOW.
To ensure the high-impedance state during power-up or power-down, OEBA should be
tied to VCC through a pull-up resistor and OEAB should be tied to GND through a
pull-down resistor; the minimum value of the resistor is determined by the
current-sinking/current-sourcing capability of the driver.
Active bus hold circuitry is provided to hold unused or floating data inputs at a valid logic
level.
2. Features and benefits
Wide supply voltage range from 1.2 V to 3.6 V
Complies with JEDEC standard JESD8-B
CMOS low power consumption
Direct interface with TTL levels
Current drive 24 mA at VCC = 3.0 V
Universal bus transceiver with D-type latches and D-type flip-flops capable of
operating in transparent, latched or clocked mode
All inputs have bus hold circuitry
Output drive capability 50 transmission lines at 85 C
3-state non-inverting outputs for bus-oriented applications







74ALVCH16501 pdf, 数据表
NXP Semiconductors
74ALVCH16501
18-bit universal bus transceiver; 3-state
10. Dynamic characteristics
Table 7. Dynamic characteristics
At recommended operating conditions. Voltages are referenced to GND (ground = 0 V); test circuit Figure 10.
Symbol Parameter
Conditions
Min Typ[1]
Tamb = 40 C to +85 C
fmax maximum frequency
see Figure 8
VCC = 2.3 V to 2.7 V
VCC = 3.0 V to 3.6 V
[2] 150
[3] 150
333
340
tpd propagation delay
VCC = 2.7 V
An to Bn; Bn to An; see Figure 6
VCC = 2.3 V to 2.7 V
VCC = 3.0 V to 3.6 V
150
[4]
[2] 1.0
[3] 1.0
333
2.8
3.0
VCC = 2.7 V
- 3.0
LEAB, LEBA to Bn, An; see Figure 8
VCC = 2.3 V to 2.7 V
VCC = 3.0 V to 3.6 V
[2] 1.1
[3] 1.3
3.5
3.4
VCC = 2.7 V
- 3.6
CPAB, CPBA to Bn, An; see Figure 8
VCC = 2.3 V to 2.7 V
VCC = 3.0 V to 3.6 V
[2] 1.0
[3] 1.4
3.3
3.3
ten enable time
VCC = 2.7 V
OEBA to An; see Figure 7
VCC = 2.3 V to 2.7 V
VCC = 3.0 V to 3.6 V
-
[4]
[2] 1.3
[3] 1.1
3.4
2.8
2.5
VCC = 2.7 V
- 3.3
OEAB to Bn; see Figure 7
VCC = 2.3 V to 2.7 V
VCC = 3.0 V to 3.6 V
[2] 1.0
[3] 1.0
2.5
2.4
tdis disable time
VCC = 2.7 V
OEBA to An; see Figure 7
VCC = 2.3 V to 2.7 V
VCC = 3.0 V to 3.6 V
-
[4]
[2] 1.3
[3] 1.3
2.7
2.5
3.1
VCC = 2.7 V
- 3.3
OEAB to Bn; see Figure 7
VCC = 2.3 V to 2.7 V
VCC = 3.0 V to 3.6 V
[2] 1.5
[3] 1.4
2.5
2.9
VCC = 2.7 V
- 3.6
Max
-
-
-
5.1
4.2
4.6
6.1
4.8
5.3
6.1
4.9
5.6
6.3
5.0
6.0
5.8
4.6
5.3
5.3
4.2
4.6
6.2
5.0
5.7
Unit
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
74ALVCH16501
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 10 July 2012
© NXP B.V. 2012. All rights reserved.
8 of 18







74ALVCH16501 equivalent, schematic
NXP Semiconductors
74ALVCH16501
18-bit universal bus transceiver; 3-state
16. Legal information
16.1 Data sheet status
Document status[1][2]
Objective [short] data sheet
Preliminary [short] data sheet
Product [short] data sheet
Product status[3]
Development
Qualification
Production
Definition
This document contains data from the objective specification for product development.
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.nxp.com.
16.2 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. NXP Semiconductors 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 NXP Semiconductors 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
NXP Semiconductors and its customer, unless NXP Semiconductors and
customer have explicitly agreed otherwise in writing. In no event however,
shall an agreement be valid in which the NXP Semiconductors product is
deemed to offer functions and qualities beyond those described in the
Product data sheet.
16.3 Disclaimers
Limited warranty and liability — Information in this document is believed to
be accurate and reliable. However, NXP Semiconductors 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. NXP Semiconductors takes no
responsibility for the content in this document if provided by an information
source outside of NXP Semiconductors.
In no event shall NXP Semiconductors 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 or
replacement of any products or rework charges) whether or not such
damages are based on tort (including negligence), warranty, breach of
contract or any other legal theory.
Notwithstanding any damages that customer might incur for any reason
whatsoever, NXP Semiconductors’ 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 NXP Semiconductors.
Right to make changes — NXP Semiconductors 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 — NXP Semiconductors 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 NXP Semiconductors product can reasonably be expected
to result in personal injury, death or severe property or environmental
damage. NXP Semiconductors and its suppliers accept no liability for
inclusion and/or use of NXP Semiconductors products in such equipment or
applications and therefore such inclusion and/or use is at the customer’s own
risk.
Applications — Applications that are described herein for any of these
products are for illustrative purposes only. NXP Semiconductors 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 NXP Semiconductors products, and NXP Semiconductors
accepts no liability for any assistance with applications or customer product
design. It is customer’s sole responsibility to determine whether the NXP
Semiconductors 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.
NXP Semiconductors 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 NXP
Semiconductors 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). NXP 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 — NXP Semiconductors
products are sold subject to the general terms and conditions of commercial
sale, as published at http://www.nxp.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. NXP Semiconductors hereby expressly objects to
applying the customer’s general terms and conditions with regard to the
purchase of NXP Semiconductors 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.
74ALVCH16501
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 10 July 2012
© NXP B.V. 2012. All rights reserved.
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