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參數(shù)資料
| 型號： | ST75C185CTR |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | LOW POWER MULTIPLE RS-232 DRIVERS AND RECEIVERS |
| 中文描述： | 多重低功耗的RS - 232驅(qū)動(dòng)器和接收 |
| 文件頁數(shù)： | 4/13頁 |
| 文件大小： | 111K |
| 代理商： | ST75C185CTR |
SUPPLYCURRENTS
(V
DD
= 12V, V
SS
= -12V, V
CC
= 5V, unless otherwisespecified)
Symbol
Parameter
Test Conditions
Value
Typ.
115
-115
950
Unit
Min.
Max.
500
-500
1500
I
DD
I
SS
I
CC
Supply Current from V
DD
Supply Current from V
SS
Supply Current from V
CC
No load. All inputs at 2 or 0.8V
No load. All inputs at 2 or 0.8V
No load. All inputs at 0 or 5V
μ
A
μ
A
μ
A
DRIVER ELECTRICAL CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE
(V
DD
= 12V, V
SS
= -12V, V
CC
= 5V
±
10%, unless otherwisespecified)
Symbol
Parameter
Test Conditions
Value
Typ.
6.3
Unit
Min.
5
Max.
V
OH
High Level Output Voltage
V
IL
= 0.8V
R
L
= 3K
(See Figure 1)
V
DD
= 7V, V
SS
= -7V
V
V
DD
= 12V, V
SS
= -12V
V
DD
= 7V, V
SS
= -7V
10
10.8
V
V
OL
Low Level Output Voltage
(Note 3)
V
IH
= 1.9 V
R
L
= 3K
(See Figure 1)
-6.3
-5
V
V
DD
= 12V, V
SS
= -12V
-10.8
-10
V
V
IH
V
IL
I
IH
I
IL
I
OS(H)
High Level Input Voltage
Low Level Input Voltage
High Level Input Current
Low Level Input Current
High Level Short Circuit
Output Current (Note 4)
Low Level Short Circuit
Output Current (Note 4)
Output Resistance
NOTE3:
Thealgebraic convention, where themorepositive(less negative) limitisdesignated asmaximum,isusedinthisdatasheet forlogiclevelsonly
(e.g.if-10Visamaximum,thetypical value isamorenegative voltage).
NOTE4:
Notmorethanoneoutputs should beshorted atonetime.
2
1.4
1.4
V
V
μ
A
μ
A
mA
0.8
1
-1
-60
V
I
= 5 V (See Figure 2)
V
I
= 0 V (See Figure 2)
V
I
= 0.8 V V
O
= 0V or V
SS
(See Figure 1)
V
I
= 2 V V
O
= 0V or V
SS
(See Figure 1)
V
O
= -2 to 2 V V
SS
= V
CC
= V
DD
= 0V
-6
-20
I
OS(L)
6
35
60
mA
R
O
300
450
DRIVER SWITCHING CHARACTERISTICS
(V
DD
= 12V, V
SS
= -12V, V
CC
= 5V T
A
= 25
o
C)
Symbol
Parameter
Test Conditions
Value
Typ.
1.9
Unit
Min.
Max.
4
t
PLH
Propagation Delay Time, Low
to High Level Output
R
L
= 3 to 7 K
(See Figures 3)
R
L
= 3 to 7 K
(See Figures 3)
R
L
= 3 to 7 K
(See Figures 3)
R
L
= 3 to 7 K
(See Figure 3)
R
L
= 3 to 7 K
C
L
= 50 to 2500 pF
(See Figure 3)
C
L
= 1000 pF
μ
s
t
PHL
Propagation Delay Time High
to Low Level Output
C
L
= 1000 pF
1.6
4
μ
s
t
TLH
Transition Time Low to High
Level Output
C
L
= 1000 pF
0.53
2
3.2
μ
s
t
THL
Transition Time High to Low
Level Output
C
L
= 1000 pF
0.53
2
3.2
μ
s
SR
Output Slew Rate (Note 5)
4
11
30
V/
μ
s
NOTE5:
Measured between-3Vand3Vpointsofoutputwaveform(EIA-232-Econditions), allunused inputstied either highorlow.
ST75C185
4/13
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