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參數(shù)資料
| 型號： | SN75175 |
| 廠商： | Motorola, Inc. |
| 英文描述： | Quadruple Differential Line Receiver 16-SOIC 0 to 70 |
| 中文描述： | 四評- 485線路接收器與三態(tài)輸出 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 135K |
| 代理商： | SN75175 |
SN75175
2
MOTOROLA ANALOG IC DEVICE DATA
ELECTRICAL CHARACTERISTICS
(Unless otherwise noted, minimum and maximum limits apply over recommended temperature and
power supply voltage ranges. Typical values are for TA = 25
°
C, VCC = 5.0 V, and VICM = 0 V, Note 1.)
Characteristic
Symbol
Min
Typ
Max
Unit
Differential Input Threshold Voltage (Note 2)
(–12 V
VICM
12 V, VIH = 2.0 V)
(IO = –0.4 mA, VOH
(IO = 16 mA, VOL
Input Hysteresis
2.7 V)
0.5 V)
VTH(D)
–
–
–
–
0.2
–0.2
V
VT+ – VT–
II
–
50
–
mV
Input Line Current (Differential Inputs)
(Unmeasured Input at 0 V, Note 3)
(VI = 12 V)
(VI = –7.0 V)
Input Resistance (Note 4)
–
–
–
–
1.0
–0.8
mA
ri
1 Unit
Load
–
–
Input Balance and Output Level (Note 3)
(–12 V
VICM
(IO = –0.4 mA, VID = 0.2 V)
(IO = 8.0 mA, VID = –0.2 V)
(IO = 16 mA, VID = –0.2 V)
Input Voltage – High Logic State (Three–State Control)
12 V, VIH = 2.0 V)
VOH
VOL
VOL
VIH
VIL
IIH
2.7
–
–
–
–
–
–
0.45
0.5
V
2.0
–
–
V
Input Voltage – Low Logic State (Three–State Control)
–
–
0.8
V
Input Current – High Logic State (Three–State Control)
(VIH = 2.7 V)
(VIH = 5.5 V)
Input Current – Low Logic State (Three–State Control)
(VIL = 0.4 V)
Input Clamp Diode Voltage (Three–State Control)
(IIK = –18 mA)
Output Third State Leakage Current
(VI(D) = 3.0 V, VIL = 0.8 V, VO = 0.4 V)
(VI(D) = –3.0 V, VIL = 0.8 V, VO = 2.4 V)
Output Short–Circuit Current (Note 5)
(VI(D) = 3.0 V, VIH = 2.0 V, VO = 0 V)
Power Supply Current (VIL = 0 V) (All Inputs Grounded)
–
–
–
–
20
100
μ
A
IIL
–
–
–100
μ
A
VIK
–
–
–1.5
V
IOZ
–
–
–
–
–20
20
μ
A
IOS
–15
–
–85
mA
ICC
–
–
70
mA
NOTES:
1.All currents into device pins are shown as positive, out of device pins are negative. All voltages referenced to ground unless otherwise noted.
2.Differential input threshold voltage and guaranteed output levels are done simultaneously for worst case.
3.Refer to EIA–485 for exact conditions. Input balance and guaranteed output levels are done simultaneously for worst case.
4.Input resistance should be derived from input line current specifications and is shown for reference only. See EIA–485 and input line current
specifications for more specific input resistance information.
5.Only one output at a time should be shorted.
SWITCHING CHARACTERISTICS
(Unless otherwise noted, VCC = 5.0 V and TA = 25
°
C.)
Characteristic
Symbol
Min
Typ
Max
Unit
Propagation Delay Time – Differential Inputs to Output
Output High to Low
Output Low to High
tPHL(D)
tPLH(D)
–
–
25
25
35
35
ns
Propagation Delay Time – Three–State Control to Output
Output Low to Third State
Output High to Third State
Output Third State to High
Output Third State to Low
tPLZ
tPHZ
tPZH
tPZL
–
–
–
–
16
19
11
11
35
35
30
30
ns
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