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DS14C535MSA 参数 Datasheet PDF下载

DS14C535MSA图片预览
型号: DS14C535MSA
PDF下载: 下载PDF文件 查看货源
内容描述: + 5V供电的EIA / TIA- 232 3× 5驱动器/接收器 [+5V Supply EIA/TIA-232 3 x 5 Driver/Receiver]
分类和应用: 驱动器接口集成电路光电二极管PC
文件页数/大小: 8 页 / 126 K
品牌: NSC [ National Semiconductor ]
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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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