參數(shù)資料
型號: MC1488NE4
廠商: Texas Instruments
文件頁數(shù): 18/20頁
文件大?。?/td> 0K
描述: IC QUADRUPLE LINE DRIVER 14-DIP
標準包裝: 25
類型: 線路驅(qū)動器
驅(qū)動器/接收器數(shù): 4/0
規(guī)程: RS232
電源電壓: ±7.5 V ~ 15 V
安裝類型: 通孔
封裝/外殼: 14-DIP(0.300",7.62mm)
供應商設備封裝: 14-PDIP
包裝: 管件
MC1488, SN55188, SN75188
QUADRUPLE LINE DRIVERS
SLLS094C SEPTEMBER 1983 REVISED MAY 2004
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
THERMAL INFORMATION
Maximum
Supply
V
oltage
V
MAXIMUM SUPPLY VOLTAGE
vs
FREE-AIR TEMPERATURE
RL ≥ 3 k (from each output to GND)
14
12
10
8
6
4
2
100
75
50
25
0
25
50
0
125
16
TA Free-Air Temperature °C
75
CC
V
Figure 6
Data for temperatures below 0°C and above 70°C are applicable to the SN55188 circuit only.
APPLICATION INFORMATION
Diodes placed in series with the VCC+ and VCC leads protect
the SN55188/SN75188 in the fault condition in which the device
outputs are shorted to
±15 V, and the power supplies are at low
voltage and provide low-impedance paths to ground.
VCC +
VCC
±15 V
Output
VCC +
VCC
’188
10 k
1 k
10 V to 0 V
Output to MOS
or SN75188
1/4 SN55188
0.7 V to 10 V
Output to HNIL
1/4 SN55188
or SN75188
0.7 V to 5.7 V
Output to DTL
5 V
1/4 SN55188
or SN75188
1/4 SN55188
0.7 V to 3.7 V
Output to RTL
3 V
12 V
VCC + = 12 V
VCC = 12 V
Input
From
TTL
or
DTL
Figure 7. Logic Translator Applications
Figure 8. Power-Supply Protection to Meet
Power-Off Fault Conditions of
ANSI TIA / EIA-232-E
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