參數(shù)資料
型號： MC145583VF
廠商： MOTOROLA INC
元件分類： 通用總線功能
英文描述： Single Supply RS232C Line Driver/Receiver(?????μ?o?RS232C ?o?????????¨???2???2??????)
中文描述： LINE TRANSCEIVER, PDSO28
封裝： SSOP-28
文件頁數(shù)： 3/8頁
文件大小： 188K
代理商： MC145583VF
MC145583
MOTOROLA
3
MAXIMUM RATINGS
(Voltage polarities referenced to GND)
Rating
Symbol
Value
Unit
DC Supply Voltage
VCC
VIR
– 0.5 to + 6.0
V
Input Voltage
Rx1 – Rx5 Inputs
DI1 – DI3 Inputs
VSS – 15 to VDD+ 15
– 0.5 to VCC+ 0.5
V
DC Current per Pin
I
±
100
mA
Power Dissipation
PD
TA
Tstg
1
W
Operating Temperature Range
– 40 to + 85
°
C
Storage Temperature Range
– 85 to + 150
°
C
RECOMMENDED OPERATING LIMITS
Parameter
Symbol
Min
Typ
Max
Unit
Power Supply
VCC
VCC*
3.0
4.5
3.3
5.0
3.6
5.5
V
Operating Temperature Range
TA
– 40
—
85
°
C
* Capacitors C1 and C2 are replaced by a 1
μ
F capacitor at VCC = 5 V.
DC ELECTRICAL CHARACTERISTICS
(Voltage polarities referenced to GND = 0 V; C1 – C5 = 1
μ
F; TA = 25
°
C)
Parameter
Symbol
Min
Typ
Max
Unit
DC Power Supply
VCC
ICC
3.0
3.3
3.6
V
Quiescent Supply Current (Output Unloaded, Input Low)
—
2.8
6.0
mA
Quiescent Supply Current (Standby Mode; STB = 1, Output Unloaded)
ICC(STB)
VIL
VIH
—
< 5
10
μ
A
Control Signal Input Voltage (STB)
—
VCC – 0.5
—
—
0.5
—
V
Control Signal Input Current (STB)
IIL
IIH
—
—
—
—
10
10
μ
A
Charge Pumps Output Voltage (VCC = 3 V; C1, C2, C3, C4, C5 = 1
μ
F)
Output Voltage (VDD)
Iload = 0 mA
Iload = 6 mA
VDD
8.5
7.5
8.8
7.9
—
—
V
Output Voltage (VSS)
Iload = 0 mA
Iload = 6 mA
VSS
—
—
– 8.8
– 7.8
– 8.5
– 7.0
RECEIVER ELECTRICAL SPECIFICATIONS
(Voltage polarities referenced to GND = 0 V; VCC = + 3.3 V
±
10%; C1 – C5 = 1
μ
F; TA = 25
°
C)
Parameter
Symbol
Min
Typ
Max
Unit
Input Turn–On Threshold (VDO1 – DO5 = VOL; Rx1 – Rx5)
3.3 V
5.0 V
Von
1.35
2.00
1.8
2.5
2.35
3.10
V
Input Turn–Off Threshold (VDO1 – DO5 = VOH; Rx1 – Rx5)
3.3 V
5.0 V
Voff
0.75
1.20
1.0
1.5
1.25
1.80
V
Input Resistance
Rin
VOH
3
5.4
7
k
High–Level Output Voltage (DO1 – DO5)
VRx1 – Rx5 = – 3 to – 25 V
Iout = – 20
μ
A
Iout = – 1 mA
VCC – 0.1
VCC – 0.6
—
2.7
—
—
V
Low–Level Output Voltage (DO1 – DO5)
VRx1 – Rx5 = + 3 to + 25 V
Iout = + 20
μ
A
Iout = + 1.6 mA
VOL
—
—
0.01
0.5
0.1
0.7
V
Ring Monitor Circuit (Input Threshold)
VTH
VOH
—
1.1
—
V
High–Level Output Voltage (RIMON)
Iout = – 20
μ
A
Iout = – 1 mA
VCC – 0.1
VCC – 0.6
—
2.7
—
—
V
Low–Level Output Voltage (RIMON)
Iout = + 20
μ
A
Iout = + 1.6 mA
VOL
—
—
0.01
0.5
0.1
0.7
V
This device contains protection circuitry to
guard against damage due to high static
voltages or electric fields. However, precau-
tions must be taken to avoid applications of
any voltage higher than maximum rated volt-
ages to this high–impedance circuit. For proper
operation, it is recommended that the voltage
at the DI and DO pins be constrained to the
range GND
≤
VDI
≤
VCC and GND
≤
VDO
≤
VCC. Also, the voltage at the Rx pin should
be constrained to (VSS – 15 V)
≤
VRx1 – Rx5
≤
(VDD + 15 V), and Tx should be constrained
to VSS
≤
VTx1 – Tx3
≤
VDD.
Unused inputs must always be tied to an
appropriate logic voltage level (e.g., GND or
VCC for DI, and GND for Rx).
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