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參數(shù)資料
| 型號： | SN75177 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Quadruple Differential Line Receiver 16-SOIC -40 to 85 |
| 中文描述： | 差分總線中繼器 |
| 文件頁數(shù)： | 5/11頁 |
| 文件大小： | 165K |
| 代理商： | SN75177 |
SN75177B, SN75178B
DIFFERENTIAL BUS REPEATERS
SLLS002C – D2606, JULY 1985 – REVISED FEBRUARY 1993
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
2–5
SYMBOL EQUIVALENTS
DATA SHEET PARAMETER
RS-422-A
RS-485
VO
Voa, Vob
Vo
Vt (RL = 100
)
Voa, Vob
Vo
Vt (RL = 54
)
Vt (Test Termination)
Measurement 2)
|VOD1|
|VOD2|
|VOD3|
|VOD|
VOC
|VOC|
IOS
IO
| |Vt| – |Vt||
|VOS|
|VOS – VOS|
|Isa|,|Isb|
|Ixa|,|Ixb|
| |Vt| – |Vt||
|VOS|
|VOS – VOS|
Iia,Iib
RECEIVER SECTION
electrical characteristics over recommended ranges of common-mode input voltage, supply
voltage, and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VO = 2.7 V,
VO = 0.5 V,
MIN
TYP
MAX
0.2
UNIT
V
V
mV
V
VT+
VT–
Vhys
VIK
Positive-going input threshold voltage
Negative-going input threshold voltage
Input hysteresis (VT+ – VT–)
Input clamp voltage at EN
IO = –0.4 mA
IO = 8 mA
–0.2
50
II = –18 mA
VID = 200 mV,
See Figure 2
VID = –200 mV,
See Figure 2
–1.5
VOH
High-level output voltage
IOH = –400
μ
A,
2.7
V
VOL
Low-level output voltage
IOL = 8 mA,
0.45
V
IOZ
High impedance state output current
High-impedance-state output current
VO= 0 4 V to 2 4 V
VO = 0.4 V to 2.4 V
20
μ
A
–400
II
Line input current
Other input at 0 V,
See Note 4
VI = 12 V
VI = –7 V
1
mA
–0.8
20
–200
IIH
IIL
ri
IOS
High-level enable-input current
Low-level enable-input current
Input resistance
Short-circuit output current
VIH = 2.7 V
VIL = 0.4 V
μ
A
μ
A
k
mA
12
–15
–85
70
35
ICC
Supply current (total package)
ly current (total ackage)
No load
Outputs enabled
Outputs disabled
57
26
mA
All typical values are at VCC = 5 V, TA = 25
°
C.
The algebraic convention, where the less-positive (more-negative) limit is designated minimum, is used in this data sheet for common-mode input
voltage and threshold voltage levels only.
NOTE 4: Refer to EIA Standard RS-422 for exact conditions.
switching characteristics, V
CC
= 5 V, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
MIN
TYP
19
MAX
UNIT
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Propagation delay time, low-to-high level output
VID = –1.5 V to 1.5 V,
CL = 15 pF,
35
ns
Propagation delay time, high-to-low level output
See Figure 6
30
40
Output enable time to high level
CL= 15 pF
CL = 15 pF,
See Figure 7
10
20
ns
Output enable time to high level
12
20
Output disable time from high level
Output disable time from low level
CL= 15 pF
CL = 15 pF,
See Figure 8
25
17
35
25
ns
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN75177B | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DIFFERENTIAL BUS REPEATERS |
| SN75177BD | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DIFFERENTIAL BUS REPEATERS |
| SN75177BDR | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| SN75177BP | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| SN75178 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DIFFERENTIAL BUS REPEATERS |
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