74LCXP16245MTDX 概述
带5V容差输入输出和下拉电阻的低电压16位双向收发器 逻辑控制器 总线驱动器/收发器
74LCXP16245MTDX 规格参数
是否无铅: | 不含铅 | 生命周期: | Active |
包装说明: | TSSOP, TSSOP48,.3,20 | Reach Compliance Code: | compliant |
ECCN代码: | EAR99 | HTS代码: | 8542.39.00.01 |
Factory Lead Time: | 1 week | 风险等级: | 1.25 |
Is Samacsys: | N | 其他特性: | WITH DIRECTION CONTROL |
控制类型: | COMMON CONTROL | 计数方向: | BIDIRECTIONAL |
系列: | LVC/LCX/Z | JESD-30 代码: | R-PDSO-G48 |
JESD-609代码: | e4 | 长度: | 12.5 mm |
负载电容(CL): | 50 pF | 逻辑集成电路类型: | BUS TRANSCEIVER |
最大I(ol): | 0.024 A | 湿度敏感等级: | 2 |
位数: | 8 | 功能数量: | 2 |
端口数量: | 2 | 端子数量: | 48 |
最高工作温度: | 85 °C | 最低工作温度: | -40 °C |
输出特性: | 3-STATE | 输出极性: | TRUE |
封装主体材料: | PLASTIC/EPOXY | 封装代码: | TSSOP |
封装等效代码: | TSSOP48,.3,20 | 封装形状: | RECTANGULAR |
封装形式: | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | 包装方法: | TAPE AND REEL |
峰值回流温度(摄氏度): | NOT SPECIFIED | 电源: | 3.3 V |
Prop。Delay @ Nom-Sup: | 5.5 ns | 传播延迟(tpd): | 6.6 ns |
认证状态: | Not Qualified | 座面最大高度: | 1.2 mm |
子类别: | Bus Driver/Transceivers | 最大供电电压 (Vsup): | 3.6 V |
最小供电电压 (Vsup): | 2 V | 标称供电电压 (Vsup): | 2.5 V |
表面贴装: | YES | 技术: | CMOS |
温度等级: | INDUSTRIAL | 端子面层: | Nickel/Palladium/Gold (Ni/Pd/Au) |
端子形式: | GULL WING | 端子节距: | 0.5 mm |
端子位置: | DUAL | 处于峰值回流温度下的最长时间: | NOT SPECIFIED |
宽度: | 6.1 mm | Base Number Matches: | 1 |
74LCXP16245MTDX 数据手册
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August 1998
Revised June 2005
74LCXP16245
Low Voltage 16-Bit Bidirectional Transceiver with
5V Tolerant Inputs/Outputs and Pull-Down Resistors
General Description
Features
■ 5V tolerant inputs and outputs
The LCXP16245 contains sixteen non-inverting bidirec-
tional buffers with 3-STATE outputs and is intended for bus
oriented applications. The device is designed for low volt-
age (2.5V or 3.3V) VCC applications with capability of inter-
■ 2.3V–3.6V VCC specifications provided
■ I/O pull-down resistors terminate inactive busses ensur-
ing a stable bus state
facing to a 5V signal environment. The device is byte
controlled. Each byte has separate control inputs which
could be shorted together for full 16-bit operation. The T/R
inputs determine the direction of data flow through the
device. The OE inputs disable both the A and B ports by
placing them in a high impedance state.
■ 5.5 ns tPD max (VCC 3.3V), 20 A ICC max
■ Power down high impedance inputs and outputs
■ Supports live insertion/withdrawal (Note 1)
■
24 mA output drive (VCC 3.0V)
■ Implements proprietary noise/EMI reduction circuitry
■ Pinout compatible with 74 series 16245
■ Latch-up performance exceeds 500 mA
■ ESD performance:
In addition, A and B port datapath pins have built-in resis-
tors to GND allowing the pins to float without any increase
in ICC current. This feature is intended to address modular
and space constrained applications where additional space
consumed by external resistors is not available.
Human body model 2000V
The LCXP16245 is fabricated with an advanced CMOS
technology to achieve high speed operation while maintain-
ing CMOS low power dissipation.
Machine model 200V
Note 1: To ensure the high-impedance state during power up or down OE
should be tied to V
through a pull-up resistor: the minimum value or the
CC
resistor is determined by the current-sourcing capability of the driver.
Ordering Code:
Order Number
74LCXP16245MEA
74LCXP16245MTD
Package Number
MS48A
Package Description
48-Lead Small Shrink Outline Package (SSOP), JEDEC MO-118, 0.300" Wide
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
MTD48
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbol
Pin Descriptions
Pin Names
OEn
Description
Output Enable Input
T/Rn
Transmit/Receive Input
A0–A15
B0–B15
Side A Inputs or 3-STATE Outputs
Side B Inputs or 3-STATE Outputs
© 2005 Fairchild Semiconductor Corporation
DS500053
www.fairchildsemi.com
Connection Diagram
Truth Tables
Inputs
Outputs
OE1
T/R1
L
L
L
H
X
Bus B0–B7 Data to Bus A0–A7
Bus A0–A7 Data to Bus B0–B7
H
HIGH Z State on A0–A7, B0–B7 (Note 2)
Inputs
Outputs
OE2
T/R2
L
L
L
H
X
Bus B8–B15 Data to Bus A8–A15
Bus A8–A15 Data to Bus B8–B15
H
HIGH Z State on A8–A15, B8–B15 (Note 2)
H
L
X
Z
HIGH Voltage Level
LOW Voltage Level
Immaterial
High Impedance
Note 2: A and B port inputs are still active.
Functional Descriptions
The LCXP16245 contains sixteen non-inverting bidirec-
tional buffers with 3-STATE outputs. the device is byte con-
trolled. Each byte has separate control inputs which can be
shorted together for full 16-bit operation. The T/R inputs
determine the direction of data flow through the device.
The OE inputs disable both the A and B ports by placing
them in a high impedance state. The pulldown resistor
(30K normal) to GND is active only when the outputs are
3-STATED (OE HIGH). When the outputs become active
(OE LOW) the resistor is removed from the circuit.
Logic Diagram
www.fairchildsemi.com
2
Absolute Maximum Ratings(Note 3)
Symbol
VCC
VI
Parameter
Supply Voltage
Value
Conditions
Units
0.5 to 7.0
0.5 to 7.0
0.5 to 7.0
V
V
DC Input Voltage
VO
DC Output Voltage
Output in 3-STATE
V
0.5 to VCC 0.5 Output in HIGH or LOW State (Note 4)
IIK
DC Input Diode Current
DC Output Diode Current
50
50
VI GND
VO GND
VO VCC
mA
mA
IOK
50
IO
DC Output Source/Sink Current
DC Supply Current per Supply Pin
DC Ground Current per Ground Pin
Storage Temperature
50
mA
mA
mA
C
ICC
100
IGND
TSTG
100
65 to 150
Recommended Operating Conditions
Symbol
VCC
Parameter
Min
2.0
1.5
0
Max
3.6
3.6
5.5
VCC
5.5
24
Units
Supply Voltage
Operating
V
V
V
Data Retention
VI
Input Voltage
VO
Output Voltage
HIGH or LOW State
3-STATE
0
0
IOH/IOL
Output Current
VCC 3.0V 3.6V
VCC 2.7V 3.0V
VCC 2.3V 2.7V
12
mA
8
TA
t/ V
Free-Air Operating Temperature
40
0
85
C
Input Edge Rate, VIN 0.8V–2.0V, VCC 3.0V
10
ns/V
Note 3: The Absolute Maximum Ratings are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated
at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the Absolute Maximum Ratings. The “Recom-
mended Operating Conditions” table will define the conditions for actual device operation.
Note 4: I Absolute Maximum Rating must be observed.
O
DC Electrical Characteristics
V
T
40 C to 85 C
Min Max
CC
A
Symbol
Parameter
Conditions
Units
(V)
2.3 2.7
2.7 3.6
2.3 2.7
2.7 3.6
2.3 3.6
2.3
V
V
V
HIGH Level Input Voltage
1.7
2.0
IH
V
V
LOW Level Input Voltage
HIGH Level Output Voltage
0.7
0.8
IL
I
I
I
I
I
I
I
I
I
I
100
A
V
CC
0.2
OH
OH
OH
OH
OH
OH
OL
OL
OL
OL
OL
8 mA
1.8
12 mA
18 mA
24 mA
2.7
2.2
2.4
2.2
V
V
3.0
3.0
V
LOW Level Output Voltage
100
8 mA
A
2.3 3.6
2.3
0.2
0.6
0.4
0.4
0.55
5.0
5.0
500
10
OL
12 mA
16 mA
24 mA
2.7
3.0
3.0
I
I
I
I
I
Input Leakage Current
3-STATE I/O Leakage
3-STATE I/O Leakage
Power-Off Leakage Current
Quiescent Supply Current
0
V
5.5V
0.0V
2.3 3.6
2.3 3.6
2.3 3.6
0
A
A
A
A
I
I
V or V
OZ(L)
OZ(H)
OFF
I
O
O
V or V
5.5V
5.5V
50
I
V or V
I
O
V
V
or GND
2.3 3.6
2.3 3.6
20
CC
I
CC
A
3.6V V , V
5.5V (Note 5)
20
I
O
3
www.fairchildsemi.com
DC Electrical Characteristics (Continued)
V
T
40 C to 85 C
CC
A
Symbol
Parameter
Conditions
V 0.6V
CC
Units
(V)
Min
Max
I
Increase in I per Input
V
2.3 3.6
500
A
CC
CC
IH
Note 5: Outputs disabled or 3-STATE only.
AC Electrical Characteristics
T
40 C to 85 C, R
500
A
L
V
3.3V 0.3V
50 pF
V
2.7V
VCC 2.5V 0.2V
50 pF
Max
CC
CC
L
Symbol
Parameter
Units
C
C
50 pF
C
L
L
Min
1.5
1.5
1.5
1.5
1.5
1.5
Max
5.5
5.5
7.0
7.0
7.0
7.0
1.0
1.0
Min
1.5
1.5
1.5
1.5
1.5
1.5
Max
6.0
6.0
8.0
8.0
7.5
7.5
Min
t
Propagation Delay
A to B or B to A
n
1.5
1.5
1.5
1.5
1.5
1.5
6.6
6.6
9.1
9.1
8.4
8.4
PHL
ns
ns
ns
ns
t
PLH
n
n
n
t
Output Enable Time
PZL
t
PZH
t
Output Disable Time
PLZ
t
PHZ
t
Output to Output Skew (Note 6)
OSHL
t
OSLH
Note 6: Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The
specification applies to any outputs switching in the same direction, either HIGH-to-LOW (t
) or LOW-to-HIGH (t
). Parameter guaranteed by design.
OSLH
OSHL
Dynamic Switching Characteristics
V
T
25 C
CC
A
Symbol
Parameter
Conditions
Units
(V)
3.3
2.5
3.3
2.5
Typical
0.8
V
Quiet Output Dynamic Peak V
C
C
C
C
50 pF, V
30 pF, V
50 pF, V
30 pF, V
3.3V, V
2.5V, V
3.3V, V
2.5V, V
0V
0V
0V
0V
OLP
OL
L
L
L
L
IH
IH
IH
IH
IL
IL
IL
IL
V
V
0.6
V
Quiet Output Dynamic Valley V
0.8
OLV
OL
0.6
Capacitance
Symbol
Parameter
Conditions
Typical
Units
pF
C
C
C
Input Capacitance
V
V
V
Open, V 0V or V
CC
7
8
IN
CC
CC
CC
I
Input/Output Capacitance
3.3V, V 0V or V
CC
pF
I/O
PD
I
Power Dissipation Capacitance
3.3V, V 0V or V , f 10 MHz
20
pF
I
CC
www.fairchildsemi.com
4
AC LOADING and WAVEFORMS Generic for LCX Family
FIGURE 1. AC Test Circuit (CL includes probe and jig capacitance)
Test
PLH, tPHL
PZL, tPLZ
Switch
Open
t
t
6V at VCC 3.3 0.3V
VCC x 2 at VCC 2.5 0.2V
tPZH, tPHZ
GND
3-STATE Output High Enable and
Waveform for Inverting and Non-Inverting Functions
Disable Times for Logic
Setup Time, Hold Time and Recovery Time for Logic
Propagation Delay. Pulse Width and trec Waveforms
trise and tfall
3-STATE Output Low Enable and
Disable Times for Logic
FIGURE 2. Waveforms
(Input Characteristics; f = 1MHz, tr = tf = 3ns)
VCC
Symbol
3.3V 0.3V
1.5V
2.7V
1.5V
2.5V 0.2V
VCC/2
Vmi
Vmo
Vx
1.5V
1.5V
VCC/2
VOL 0.3V
VOH 0.3V
VOL 0.3V
VOH 0.3V
VOL 0.15V
VOH 0.15V
Vy
5
www.fairchildsemi.com
Schematic Diagram Generic for LCX Family
www.fairchildsemi.com
6
Physical Dimensions inches (millimeters) unless otherwise noted
48-Lead Small Shrink Outline Package (SSOP), JEDEC MO-118, 0.300" Wide
Package Number MS48A
7
www.fairchildsemi.com
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
Package Number MTD48
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and
Fairchild reserves the right at any time without notice to change said circuitry and specifications.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD
SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the
body, or (b) support or sustain life, and (c) whose failure
to perform when properly used in accordance with
instructions for use provided in the labeling, can be rea-
sonably expected to result in a significant injury to the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be rea-
sonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com
www.fairchildsemi.com
8
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are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries.
ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of ON Semiconductor’s product/patent
coverage may be accessed at www.onsemi.com/site/pdf/Patent−Marking.pdf. ON Semiconductor reserves the right to make changes without further notice to any products herein.
ON Semiconductor makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability
arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.
Buyer is responsible for its products and applications using ON Semiconductor products, including compliance with all laws, regulations and safety requirements or standards,
regardless of any support or applications information provided by ON Semiconductor. “Typical” parameters which may be provided in ON Semiconductor data sheets and/or
specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer
application by customer’s technical experts. ON Semiconductor does not convey any license under its patent rights nor the rights of others. ON Semiconductor products are not
designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification
in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use ON Semiconductor products for any such unintended or unauthorized
application, Buyer shall indemnify and hold ON Semiconductor and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and
expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such
claim alleges that ON Semiconductor was negligent regarding the design or manufacture of the part. ON Semiconductor is an Equal Opportunity/Affirmative Action Employer. This
literature is subject to all applicable copyright laws and is not for resale in any manner.
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74LCXP16245MTDX 替代型号
型号 | 制造商 | 描述 | 替代类型 | 文档 |
M74LCX16245DTR2G | ONSEMI | Low−Voltage CMOS 16−Bit Transceiver With 5 V−Tolerant Inputs and Outputs | 完全替代 | |
MC74LCX16245DTG | ONSEMI | Low−Voltage CMOS 16−Bit Transceiver With 5 V−Tolerant Inputs and Outputs | 完全替代 | |
74LCX16245MTDX | ONSEMI | 带5V容差输入和输出的低电压16-位双向收发器 | 完全替代 |
74LCXP16245MTDX 相关器件
型号 | 制造商 | 描述 | 价格 | 文档 |
74LCXP16245MTDX_NL | FAIRCHILD | 暂无描述 | 获取价格 | |
74LCXP16245_05 | FAIRCHILD | Low Voltage 16-Bit Bidirectional Transceiver with 5V Tolerant Inputs/Outputs and Pull-Down Resistors | 获取价格 | |
74LCXR162245 | FAIRCHILD | Low Voltage 16-Bit Bidirectional Transceiver with 5V Tolerant Inputs/Outputs and 26W Series Resistors in the Outputs | 获取价格 | |
74LCXR162245CW | FAIRCHILD | 暂无描述 | 获取价格 | |
74LCXR162245MEA | FAIRCHILD | Low Voltage 16-Bit Bidirectional Transceiver with 5V Tolerant Inputs/Outputs and 26W Series Resistors in the Outputs | 获取价格 | |
74LCXR162245MEAX | ETC | Dual 8-bit Bus Transceiver | 获取价格 | |
74LCXR162245MEX | FAIRCHILD | Low Voltage 16-Bit Bidirectional Transceiver with 5V Tolerant Inputs/Outputs and 26W Series Resistors in the Outputs | 获取价格 | |
74LCXR162245MEXX | FAIRCHILD | Bus Transceiver, LVC/LCX/Z Series, 2-Func, 8-Bit, True Output, CMOS, PDSO48, 0.300 INCH, MO-118, SSOP-48 | 获取价格 | |
74LCXR162245MSA | FAIRCHILD | Bus Driver/Transceiver | 获取价格 | |
74LCXR162245MTD | FAIRCHILD | Low Voltage 16-Bit Bidirectional Transceiver with 5V Tolerant Inputs/Outputs and 26W Series Resistors in the Outputs | 获取价格 |
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