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參數(shù)資料
| 型號： | MC75174BP |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | QUAD EIA-485 LINE DRIVERS |
| 中文描述： | QUAD LINE DRIVER, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數(shù)： | 11/12頁 |
| 文件大小： | 180K |
| 代理商： | MC75174BP |
MC75172B MC75174B
11
MOTOROLA ANALOG IC DEVICE DATA
Comparing System Requirements
Characteristic
Symbol
EIA–485
EIA–422–A
V.11 and X.27
GENERATOR (DRIVER)
Output Impedance (Note 1)
Zout
Not Specified
100
50 10 100
Open Circuit Voltage
Differential
Single–Ended
VOCD
VOCS
1.5 to 6.0 V
6.0 V
6.0 V
6.0 V
6.0 V, w/3.9 k
, Load
6.0 V, w/3.9 k
, Load
Loaded Differential Voltage
VOD
1.5 to 5.0 V, w/54
load
2.0 V or
VOCD, w/100
load
0.5
2.0 V or
w/100
load
0.5 VOCD,
Differential Voltage Balance
VOD
VCM
VOS
VOS
IOS
200 mV
400 mV
400 mV
Output Common Mode Range
–7.0 to +12 V
Not Specified
Not Specified
Offset Voltage
–1.0
VOS
3.0 V
3.0 V
3.0 V
Offset Voltage Balance
200 mV
400 mV
400 mV
Short Circuit Current
250 mA for –7.0 to
12 V
150 mA to ground
150 mA to ground
Leakage Current (VCC = 0)
IOLK
Not Specified
100
μ
A to –0.25 V
thru 6.0 V
100
μ
A to
±
0.25 V
Output Rise/Fall Time (Note 2)
tr, tf
0.3 TB, w/54
/1150 pF
load
0.1 TB or
w/100
load
20 ns,
0.1 TB or
w/100
load
20 ns,
RECEIVER
Input Sensitivity
Vth
Vbias
Vcm
Rin
±
200 mV
±
200 mV
±
300 mV
Input Bias Voltage
3.0 V
3.0 V
3.0 V
Input Common Mode Range
–7.0 to 12 V
–7.0 to 7.0 V
–7.0 to 7.0 V
Dynamic Input Impedance
Spec number of U.L.
4 k
4 k
NOTES:
1.Compliance with V.11 and X.27 (Blue book) output impedance requires external resistors in series with the outputs of the MC75172B and MC75174B.
2.TB = Bit time.
Additional Information
Copies of the EIA Recommendations (EIA–485 and EIA–422–A) can be obtained from the Electronics Industries Association,
Washington, D.C. (202–457–4966). Copies of the CCITT Recommendations (V.11 and X.27) can be obtained from the United
States Department of Commerce, Springfield, VA (703–487–4600).
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