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ST75C185 Scheda tecnica(PDF) 4 Page - STMicroelectronics

Il numero della parte ST75C185
Spiegazioni elettronici  LOW POWER MULTIPLE RS-232 DRIVERS AND RECEIVERS
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

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SUPPLY CURRENTS (VDD = 12V, VSS = -12V, VCC = 5V, unless otherwise specified)
Symb ol
Parameter
T est Cond it ion s
Value
Un it
Min.
Typ.
Max.
IDD
Supply Current from VDD
No load. All inputs at 2 or 0.8V
115
500
µA
ISS
Supply Current from VSS
No load. All inputs at 2 or 0.8V
-115
-500
µA
ICC
Supply Current from VCC
No load. All inputs at 0 or 5V
950
1500
µA
DRIVER ELECTRICAL CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE
(VDD = 12V, VSS = -12V, VCC =5V
±10%, unless otherwise specified)
Symb ol
Parameter
T est Cond it ion s
Value
Un it
Min.
Typ.
Max.
VOH
High Level Output Voltage
VIL =0.8V
RL =3K
(See Figure 1)
VDD = 7V, VSS = -7V
5
6.3
V
VDD = 12V, VSS = -12V
10
10.8
V
VOL
Low Level Output Voltage
(Note 3)
VIH = 1.9 V
RL =3K
(See Figure 1)
VDD = 7V, VSS = -7V
-6.3
-5
V
VDD = 12V, VSS = -12V
-10.8
-10
V
VIH
High Level Input Voltage
2
1.4
V
VIL
Low Level Input Voltage
1.4
0.8
V
IIH
High Level Input Current
VI = 5 V (See Figure 2)
1
µA
IIL
Low Level Input Current
VI = 0 V (See Figure 2)
-1
µA
IOS(H)
High Level Short Circuit
Output Current (Note 4)
VI =0.8 V VO =0Vor VSS
(See Figure 1)
-6
-20
-60
mA
IOS(L)
Low Level Short Circuit
Output Current (Note 4)
VI =2 V VO =0V or VSS
(See Figure 1)
635
60
mA
RO
Output Resistance
VO =-2 to2 V VSS =VCC =VDD = 0V
300
450
NOTE 3: The algebraic convention, where the more positive (less negative) limitis designated as maximum, is used in this datasheet for logic levels only
(e.g. if -10V is a maximum, the typical value is a more negative voltage).
NOTE 4: Notmore than one outputs should be shorted atone time.
DRIVER SWITCHING CHARACTERISTICS
(VDD = 12V, VSS = -12V, VCC =5V TA =25
oC)
Symb ol
Parameter
T est Cond it ion s
Value
Un it
Min.
Typ.
Max.
tPLH
Propagation Delay Time, Low
to High Level Output
RL =3 to 7 K
Ω CL =1000 pF
(See Figures 3)
1.9
4
µs
tPHL
Propagation Delay Time High
to Low Level Output
RL =3 to 7 K
Ω CL =1000 pF
(See Figures 3)
1.6
4
µs
tTLH
Transition Time Low to High
Level Output
RL =3 to 7 K
Ω CL =1000 pF
(See Figures 3)
0.53
2
3.2
µs
tTHL
Transition Time High to Low
Level Output
RL =3 to 7 K
Ω CL =1000 pF
(See Figure 3)
0.53
2
3.2
µs
SR
Output Slew Rate (Note 5)
RL =3 to 7 K
CL = 50 to 2500 pF
(See Figure 3)
411
30
V/
µs
NOTE 5: Measured between -3V and 3V points of output waveform (EIA-232-E conditions), all unused inputs tied either high or low.
ST75C185
4/13


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