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参数资料
| 型号： | MC145406P |
| 厂商： | MOTOROLA INC |
| 元件分类： | 通用总线功能 |
| 英文描述： | Ultra Low-Supply Current/Supply-Voltage Supervisory Circuits 6-SOT-23 -40 to 85 |
| 中文描述： | LINE TRANSCEIVER, PDIP16 |
| 封装： | PLASTIC, DIP-16 |
| 文件页数： | 2/12页 |
| 文件大小： | 155K |
| 代理商： | MC145406P |
MC145406
2
MOTOROLA
MAXIMUM RATINGS
(Voltage polarities referenced to GND)
Rating
Symbol
Value
Unit
DC Supply Voltages (VDD
≥
VCC)
VDD
VSS
VCC
– 0.5 to + 13.5
+ 0.5 to – 13.5
– 0.5 to + 6.0
V
Input Voltage Range
Rx1–3 Inputs
DI1–3 Inputs
VIR
(VSS – 15) to (VDD + 15)
– 0.5 to (VCC + 0.5)
V
DC Current Per Pin
±
100
mA
Power Dissipation
PD
TA
Tstg
1.0
W
Operating Temperature Range
– 40 to + 85
°
C
Storage Temperature Rate
– 85 to + 150
°
C
DC ELECTRICAL CHARACTERISTICS
(All polarities referenced to GND = 0 V, TA = – 40 to +85
°
C)
Parameter
Symbol
Min
Typ
Max
Unit
DC Supply Voltage
VDD
VSS
VCC (VDD
≥
VCC)
Quiescent Supply Current (Outputs unloaded, inputs low)
VDD = + 12 V
VSS = –
12 V
VCC = + 5 V
VDD
VSS
VCC
4.5
–
4.5
4.5
5 to 12
–
5 to – 12
5.0
13.2
–
13.2
5.5
V
IDD
ISS
ICC
—
—
—
140
340
300
400
600
450
μ
A
RECEIVER ELECTRICAL SPECIFICATIONS
(Voltage polarities referenced to GND = 0 V, VDD = +
5 to +
12 V, VSS = –
5 to – 12 V, VDD
≥
VCC, TA = –
40 to +
85
°
C)
Characteristic
Symbol
Min
Typ
Max
Unit
Input Turn–on Threshold
VDO1–DO3 = VOL, VCC = 5.0 V
±
5%
Input Turn–off Threshold
VDO1–DO3 = VOH, VCC = 5.0 V
±
5%
Input Threshold Hysteresis
VCC = 5.0 V
±
5%
Input Resistance
(VSS –
15 V)
≤
VRx1–Rx3
≤
(VDD + 15 V)
High–Level Output Voltage (VRx1–Rx3 = – 3 V to (VSS – 15 V))*
Rx1–Rx3
Von
1.35
1.80
2.35
V
Rx1–Rx3
Voff
0.75
1.00
1.25
V
Rx1–Rx3
Von–Voff
0.6
0.8
—
V
Rx1–Rx3
Rin
3.0
5.4
7.0
k
DO1–DO3
IOH = – 20
μ
A, VCC = +
5.0 V
IOH = –1 mA, VCC = +
5.0 V
Low–Level Output Voltage (VRx1–Rx3 = +
3 V to (VDD + 15 V))* DO1–DO3
IOL = +
20
μ
A, VCC = + 5.0 V
IOL = +
2 mA, VCC = + 5.0 V
IOL = + 4 mA, VCC = + 5.0 V
VOH
4.9
3.8
4.9
4.3
—
—
V
VOL
—
—
—
0.01
0.02
0.5
0.1
0.5
0.7
V
* This is the range of input voltages as specified by EIA 232–E to cause a receiver to be in the high or low logic state.
This device contains protection circuitry to pro-
tect the inputs against damage due to high static
voltages or electric fields; however, it is advised
that normal precautions be taken to avoid applica-
tion of any voltage higher than maximum rated
voltages to this high impedance circuit. For proper
operation, it is recommended that the voltages 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)
≤
VRx1–3
≤
(VDD + 15 V), and Tx
should be constrained to VSS
≤
VTx1–3
≤
VDD.
Unused inputs must always be tied to an ap-
propriate logic voltage level (e.g., GND or VCC for
DI and Ground for Rx.)
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