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产品型号DS14C535MSA的概述

芯片DS14C535MSA的概述 DS14C535MSA是由德州仪器(Texas Instruments, TI)生产的一种高性能、低功耗的高速双向逻辑电平转换器。此芯片专为数据采集和接口转换的应用场景而设计,能够在不同电压等级之间无缝转换信号。有效地解决了主控系统与外部设备之间不同电压所引起的信号不兼容问题。DS14C535MSA广泛应用于数字信号处理、高速数据传输、电信设备和其他需要高速度和高精度数据交换的场合。 芯片DS14C535MSA的详细参数 DS14C535MSA的主要技术参数包括: - 工作电压范围:可以在3V到15V的范围内工作,适应不同的应用需求。 - 数据传输速率:具有高达200Mbps的传输速率,适合于高速数据传输的场景。 - 输入电流:在正常工作条件下,输入电流的典型值为2.5 mA,具有较低的功耗。 - 逻辑电平兼容性:支持TTL和CMOS传输兼容性,宽广的...

产品型号DS14C535MSA的Datasheet PDF文件预览

May 1998  
DS14C535  
+5V Supply EIA/TIA-232 3 x 5 Driver/Receiver  
General Description  
Features  
n Pin compatible with DS14C335  
The DS14C535 is three driver, five receiver device which  
conforms to EIA/TIA-232-E and CCITT (ITU-T) V.28 stan-  
dard specifications. This device employs an internal DC-DC  
converter to generate the necessary output levels from a  
+5V power supply. A SHUTDOWN (SD) mode reduces the  
supply current to 10 µA maximum. In the SD mode, one re-  
ceiver is active, allowing ring indicator (RI) to be monitored.  
PC Board space consumption is minimized by the availability  
of Shrink Small Outline Packaging (SSOP).  
n Conforms to EIA/TIA-232-E and CCITT (ITU-T) V.28  
specifications  
n Failsafe receiver outputs high when inputs open  
n Operates with single +5V power supply  
n Low power requirement — ICC 12 mA maximum  
n SHUTDOWN mode — ICX 10 µA maximum  
n One Receiver (R5) active during SHUTDOWN  
n Operates up to 128 kbps — Lap-Link® Compatible  
n 4V/µs minimum Slew Rate guaranteed  
n ESD rating of 3 kV on all pins (H, B, M)  
n Available in 28-lead SSOP EIAJ Type II package  
n Only four 0.1 µF capacitors required for the DC-DC  
converter  
The DS14C535 provides a one-chip solution for the common  
9-pin serial RS-232 interface between data terminal and  
data circuit-terminating equipment.  
This device allows an easy migration path to the 3.3V  
DS14C335. The packages are the same. The N/C pins on  
the DS14C535 are not physically connected to the chip.  
Board layout for the DS14C335 will accommodate both de-  
vices.  
This device’s low power requirement and small footprint  
makes it an ideal choice for Laptop and Notebook applica-  
tions.  
Connection Diagram  
Functional Diagram  
DS14C535  
DS011910-1  
Order Number DS14C535MSA  
See NS Package Number MSA28  
DS011910-2  
Lap-Link® is a registered trademark of Traveling Software Inc.  
© 1999 National Semiconductor Corporation  
DS011910  
www.national.com  
Absolute Maximum Ratings (Note 1)  
If Military/Aerospace specified devices are required,  
please contact the National Semiconductor Sales Office/  
Distributors for availability and specifications.  
SSOP MSA Package  
1286 mW  
Derate MSA Package 10.3 mW/˚C above +25˚C  
ESD Rating (HBM, 1.5 k, 100  
pF)  
3.0 kV  
Supply Voltage (VCC  
)
−0.3V to +6V  
(VCC − 0.3V) to +14V  
+0.3V to −14V  
Recommended Operating  
Conditions  
V+ Pin  
VPin  
Input Voltage (DIN, SD)  
Driver Output Voltage  
Receiver Input Voltage  
Receiver Output Voltage  
Junction Temperature  
Storage Temperature Range  
−0.3V to +5.5V  
Min  
Max  
Units  
(V+ +0.3V) to (V− 0.3V)  
Supply Voltage (VCC  
)
4.5  
5.5  
V
±
25V  
Operating Free Air Temperature (TA)  
DS14C535  
DC-DC Converter Capacitors (C1–C4)  
− 0.3V to (VCC +0.3V)  
+150˚C  
0
+70  
˚C  
−65˚C to +150˚C  
±
Recommended range of values is 0.1 µF to 0.68 µF, 20%.  
For more detail refer to application information section of this  
data sheet.  
Lead Temperature (Soldering 4  
sec.)  
+260˚C  
Short Circuit Duration (DOUT  
)
Continuous  
@
Maximum Package Power Dissipation +25˚C  
Electrical Characteristics (Notes 2, 3)  
=
Over recommended operating conditions, SD 0.8V, unless otherwise specified.  
Symbol  
Parameter  
Conditions  
Min  
Typ  
Max  
Units  
DEVICE CHARACTERISTICS  
V+  
V−  
ICC  
ICX  
VIH  
VIL  
IIH  
Positive Power Supply  
Negative Power Supply  
Supply Current  
No Load  
DIN 0.8V  
+8.5  
−7.0  
V
V
=
=
=
C1–C4 0.1 µF  
DIN 2.0V  
No Load  
12  
10  
mA  
µA  
V
=
=
SHUTDOWN Supply Current  
High Level Enable Voltage  
Low Level Enable Voltage  
High Level Enable Current  
Low Level Enable Current  
RL 3 k, SD VCC  
1.0  
SD  
2.0  
GND  
0.8  
V
2.0V VIN 5.5V  
GND VIN 0.8V  
+2.0  
µA  
µA  
IIL  
−2.0  
DRIVER CHARACTERISTICS  
VIH  
VIL  
High Level Input Voltage  
Low Level Input Voltage  
High Level Input Current  
Low Level Input Current  
High Level Output Voltage  
Low Level Output Voltage  
Output High Short  
DIN  
2.0  
V
V
GND  
0.8  
IIH  
2.0V VIN 5.5V  
GND VIN 0.8V  
+1.0  
µA  
µA  
V
IIL  
−1.0  
+5.0  
=
VOH  
VOL  
IOS+  
RL 3 kΩ  
8
−6.7  
−20  
−5.0  
−8  
V
=
=
VO 0V, VIN 0.8V (Note 7)  
−40  
6
mA  
Circuit Current  
=
=
IOS−  
Output Low Short  
VO 0V, VIN 2.0V (Note 7)  
15  
40  
mA  
Circuit Current  
=
=
RO  
Output Resistance  
−2V VO +2V, VCC GND 0V  
300  
1200  
RECEIVER CHARACTERISTICS (Note 4)  
=
VTH  
Input High Threshold Voltage  
R1–R5, SD 0.8V (Active Mode)  
1.4  
2.0  
1.1  
1.1  
2.4  
2.8  
V
V
R5, 2.0V SD 5.5V (Shutdown Mode)  
=
VTL  
Input Low Threshold Voltage  
R1–R5, SD 0.8V (Active Mode)  
0.8  
0.8  
V
R5, 2.0V SD 5.5V (Shutdown Mode)  
V
VHY  
RIN  
IIN  
Hysteresis (Note 4)  
Input Resistance  
Input Current  
0.15  
3.0  
1.0  
7.0  
V
=
±
±
VIN  
3V to 15V  
5.4  
kΩ  
mA  
mA  
mA  
mA  
=
VIN +15V  
2.14  
0.43  
−1.0  
−5.0  
5.0  
=
VIN +3V  
1.0  
=
VIN −3V  
−0.43  
−2.14  
=
VIN −15V  
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2
Electrical Characteristics (Notes 2, 3) (Continued)  
=
Over recommended operating conditions, SD 0.8V, unless otherwise specified.  
Symbol Parameter Conditions  
RECEIVER CHARACTERISTICS (Note 4)  
Min  
Typ  
Max  
Units  
=
=
VOH  
High Level Output Voltage  
VIN −3V, IOH −2.0 mA  
3.8  
4.0  
V
V
V
=
=
VIN −3V, IOH −20 µA  
=
=
VOL  
Low Level Output Voltage  
VIN +3V, IOL +2.0 mA  
0.23  
0.4  
Switching Characteristics (Note 4)  
=
Over recommended operating conditions, SD 0.8V, unless otherwise specified.  
Symbol Parameter Conditions  
DRIVER CHARACTERISTICS  
Min  
Typ  
Max  
Units  
=
tPLH  
tPHL  
tSK  
Propagation Delay LOW to HIGH  
Propagation Delay HIGH to LOW  
Skew |tPLH–tPHL  
RL 3 kΩ  
0.1  
0.1  
0.6  
0.6  
0
1.0  
1.0  
0.2  
30  
µs  
µs  
=
CL 50 pF  
|
(Figures 1, 2)  
µs  
=
=
SR1  
SR2  
tPLS  
tPSL  
tPHS  
tPSH  
Output Slew Rate  
RL 3 kto 7 k, CL 50 pF (Figure 2)  
4
4
13  
V/µs  
V/µs  
ms  
ms  
ms  
ms  
=
=
Output Slew Rate  
RL 3 k, CL 2500 pF (Figure 2)  
10  
30  
Propagation Delay LOW to SD  
Propagation Delay SD to LOW  
Propagation Delay HIGH to SD  
Propagation Delay SD to HIGH  
(Figures 5, 6)  
0.48  
1.88  
0.62  
1.03  
=
RL 3 kΩ  
=
CL 50 pF  
RECEIVER CHARACTERISTICS  
=
tPLH  
tPHL  
tSK  
Propagation Delay LOW to HIGH  
Propagation Delay HIGH to LOW  
Skew |tPLH–tPHL  
CL 50 pF  
0.1  
0.1  
0.4  
0.6  
1.0  
1.0  
0.5  
µs  
µs  
µs  
µs  
µs  
µs  
µs  
(Figures 3, 4)  
|
0.1  
tPLS  
tPSL  
tPHS  
tPSH  
Propagation Delay LOW to SD  
Propagation Delay SD to LOW  
Propagation Delay HIGH to SD  
Propagation Delay SD to HIGH  
(Figures 7, 8)  
0.13  
1.0  
=
RL 1 kΩ  
=
CL 50 pF  
0.19  
0.58  
R1–R4 Only  
Note 1: “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. They are not meant to imply that the devices  
should be operated at these limits. The tables of “Electrical Characteristics” specify conditions for device operation.  
=
=
+25˚C.  
Note 2: Typical values are given for V  
CC  
5V and T  
A
Note 3: Current into device pins is defined as positive. Current out of device pins is defined as negative. All voltages are referenced to ground unless otherwise speci-  
fied. For voltage logic levels, the more positive value is designated as maximum. For example, if −5V is a maximum, the typical value (−6.7V) is more negative.  
=
=
Note 4: Receiver characteristics are guaranteed for SD 0.8V. When SD 2.0V, receiver five (R5) is active and meets receiver parameters in SHUTDOWN (SD)  
mode, unless otherwise specified.  
=
=
=
=
=
0V, duty cycle 50%.  
<
Note 5: Generator characteristics for driver input: f 64 kHz (128 kbits/sec), t  
t
10 ns, V  
3V, V  
=
r
f
IH  
IL  
=
=
= =  
−3V, duty cycle 50%.  
<
Note 6: Generator characteristics for receiver input: f 64 kHz (128 kbits/sec), t  
t
10 ns, V  
3V, V  
r
f
IH  
IL  
Note 7: Only one driver output shorted at a time.  
Parameter Measurement Information  
DS011910-3  
FIGURE 1. Driver Propagation Delay and Slew Rate Test Circuit  
3
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Parameter Measurement Information (Continued)  
DS011910-4  
FIGURE 2. Driver Propagation Delay and Slew Rate Timing  
DS011910-5  
FIGURE 3. Receiver Propagation Delay Test Circuit  
DS011910-6  
FIGURE 4. Receiver Propagation Delay Timing  
DS011910-7  
FIGURE 5. Driver SHUTDOWN (SD) Delay Test Circuit  
DS011910-8  
FIGURE 6. Driver SHUTDOWN (SD) Delay Timing  
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4
Parameter Measurement Information (Continued)  
DS011910-9  
FIGURE 7. Receiver SHUTDOWN (SD) Delay Test Circuit  
DS011910-10  
FIGURE 8. Receiver SHUTDOWN (SD) Delay Timing  
Pin Descriptions  
VCC (Pin 3). Power supply pin for the device, +5V ( 0.5V).  
±
ROUT 1–5 (Pins 10, 11, 12, 13, 14). Receiver output pins.  
V+ (Pin 1). Positive supply for EIA/TIA-232-E drivers. Rec-  
ommended external capacitor — 0.1 µF (16V). This supply is  
not intended to be loaded externally.  
GND (Pins 5, 27). Ground Pins. Both pins must be con-  
nected to external ground. These pins are not connected to-  
gether on the chip.  
V− (Pin 25). Negative supply for EIA/TIA-232-E drivers. Rec-  
ommended external capacitor — 0.1 µF (16V). This supply is  
not intended to be loaded externally.  
Application Information  
In  
a typical Data Terminal Equipment (DTE) to Data  
C1+, C1− (Pins 2, 4). External capacitor connection pins.  
C2+, C2− (Pins 28, 26). External capacitor connection pins.  
Circuit-Terminating Equipment (DCE) 9-pin de-facto inter-  
face implementation, 2 data lines and 6 control lines are re-  
quired. The data lines are TXD and RXD and the control  
lines are RTS, DTR, DSR, DCD, CTS and RI. The  
DS14C535 is a 3 x 5 Driver/Receiver and offers a single chip  
solution for the DTE interface as shown in Figure 9 .  
SHUTDOWN (SD) (Pin 23). A High on the SHUTDOWN pin  
will lower the total ICC current to less than 10 µA, providing a  
low power state. In this mode receiver R5 remains active.  
The SD pin should be driven or tied low (GND) to disable the  
shutdown mode.  
Ring Indicator (RI) is used to inform the DTE that an incom-  
ing call is coming from a remote DCE. When the DS14C535  
is in SHUTDOWN (SD) mode, receiver five (R5) remains ac-  
tive and monitors RI circuit. This active receiver (R5) alerts  
the DTE to switch the DS14C535 from SHUTDOWN to ac-  
tive mode.  
DIN 1–3 (Pins 7, 8, 9). Driver input pins.  
DOUT 1–3 (Pins 22, 21, 20). Driver output pins conform to  
EIA/TlA-232 -E levels.  
RIN 1–5 (Pins 19, 18, 17, 16, 15). Receiver input pins accept  
±
EIA/TIA-232-E input voltages ( 25V). Receivers guarantees  
hysteresis of TBD mV. Unused receiver input pins may be  
left open. Internal input resistor (5 k) pulls input LOW, pro-  
viding a failsafe HIGH output.  
To achieve minimum power consumption, the DS14C535  
can be in SHUTDOWN mode and only activated when com-  
munications are needed.  
5
www.national.com  
Application Information (Continued)  
DS011910-11  
FIGURE 9. Typical DTE Application  
www.national.com  
6
Application Information (Continued)  
Manufacturer  
KEMET  
Phone Number  
803-963-6300  
803-448-9411  
800-831-9172  
Capacitors:  
Capacitors can be ceramic or tantalum. Standard surface  
mount in the range of 0.1 µF to 0.68 µF are readily available  
from several manufacturers. A minimum 20V rating is recom-  
mended. Contact manufacturers for specific detail on sur-  
face mounting and dielectrics. A partial list of manufacturers  
include:  
AVX  
MURATA-ERIE  
7
www.national.com  
Physical Dimensions inches (millimeters) unless otherwise noted  
Order Number DS14C535MSA  
NS Package Number MSA28  
LIFE SUPPORT POLICY  
NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT  
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL  
COUNSEL OF NATIONAL 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  
whose failure to perform when properly used in  
accordance with instructions for use provided in the  
labeling, can be reasonably expected to result in a  
significant injury to the user.  
2. A critical component is any component of a life  
support device or system whose failure to perform  
can be reasonably expected to cause the failure of  
the life support device or system, or to affect its  
safety or effectiveness.  
National Semiconductor  
Corporation  
Americas  
Tel: 1-800-272-9959  
Fax: 1-800-737-7018  
Email: support@nsc.com  
National Semiconductor  
Europe  
National Semiconductor  
Asia Pacific Customer  
Response Group  
Tel: 65-2544466  
Fax: 65-2504466  
National Semiconductor  
Japan Ltd.  
Tel: 81-3-5639-7560  
Fax: 81-3-5639-7507  
Fax: +49 (0) 1 80-530 85 86  
Email: europe.support@nsc.com  
Deutsch Tel: +49 (0) 1 80-530 85 85  
English Tel: +49 (0) 1 80-532 78 32  
Français Tel: +49 (0) 1 80-532 93 58  
Italiano Tel: +49 (0) 1 80-534 16 80  
Email: sea.support@nsc.com  
www.national.com  
National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications.  
配单直通车
DS14C535MSA产品参数
型号:DS14C535MSA
是否无铅: 含铅
是否Rohs认证: 不符合
生命周期:Obsolete
IHS 制造商:TEXAS INSTRUMENTS INC
零件包装代码:SSOP
包装说明:EIAJ TYPE2, PLASTIC, SSOP-28
针数:28
Reach Compliance Code:not_compliant
ECCN代码:EAR99
HTS代码:8542.39.00.01
Factory Lead Time:1 week
风险等级:5.3
Samacsys Confidence:
Samacsys Status:Released
Samacsys PartID:588241
Samacsys Pin Count:28
Samacsys Part Category:Integrated Circuit
Samacsys Package Category:Other
Samacsys Footprint Name:SOP65P770X200-28N
Samacsys Released Date:2017-01-11 19:09:53
Is Samacsys:N
其他特性:1 RECEIVER ACTIVE UNDER SHUTDOWN; EXTERNAL CHARGE PUMP
差分输出:NO
驱动器位数:3
高电平输入电流最大值:0.000001 A
输入特性:SCHMITT TRIGGER
接口集成电路类型:LINE TRANSCEIVER
接口标准:EIA-232-E; TIA-232-E; V.28
JESD-30 代码:R-PDSO-G28
JESD-609代码:e0
长度:10.2 mm
湿度敏感等级:4
功能数量:3
端子数量:28
最高工作温度:70 °C
最低工作温度:
最小输出摆幅:10 V
最大输出低电流:0.0032 A
封装主体材料:PLASTIC/EPOXY
封装代码:SSOP
封装等效代码:SSOP28,.3
封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度):235
电源:5 V
认证状态:Not Qualified
最大接收延迟:1000 ns
接收器位数:5
座面最大高度:2 mm
子类别:Line Driver or Receivers
最大压摆率:10 mA
标称供电电压:5 V
表面贴装:YES
技术:CMOS
温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING
端子节距:0.65 mm
端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED
最大传输延迟:1000 ns
宽度:5.3 mm
Base Number Matches:1
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