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參數(shù)資料
| 型號(hào)： | SN55LBC174FK |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | QUADRUPLE LOW-POWER DIFFERENTIAL LINE DRIVER |
| 中文描述： | 翻兩番低功率的線路驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 4/9頁(yè) |
| 文件大小： | 138K |
| 代理商： | SN55LBC174FK |
SN55LBC174
QUADRUPLE LOW-POWER DIFFERENTIAL LINE DRIVER
SGLS082 – MARCH 1995
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIK
Input clamp voltage
II = –18 mA
RL = 54
,
RL = 60
,
–1.5
V
|VOD|
Differential output voltage
See Figure 1
1.1
1.8
5
V
See Figure 2
1.1
1.7
5
|VOD|
Change in magnitude of differential output voltage§
±
0.2
V
VOC
Common mode output voltage
Common-mode output voltage
RL= 54
RL = 54
,
See Figure 1
3
V
– 1
|VOC|
IO
IOZ
IIH
IIL
IOS
Change in magnitude of common-mode output voltage§
±
0.2
±
100
±
100
–100
V
Output current with power off
VCC = 0,
VO = – 7 V to 12 V
VI = 2.4 V
VI = 0.4 V
VO = –7 V to 12 V
VO = – 7 V to 12 V
μ
A
μ
A
μ
A
μ
A
mA
High-impedance-state output current
High-level input current
Low-level input current
–100
±
250
Short-circuit output current
ICC
Supply current (all drivers)
No load
Outputs enabled
Outputs disabled
7
mA
1.5
All typical values are at VCC = 5 V and TA = 25
°
C.
The minimum VOD specification does not fully comply with EIA Standard RS-485 at operating temperatures below 0
°
C. The lower output signal
should be used to determine the maximum signal transmission distance.
§
|VOD| and
|VOC| are the changes in magnitude of VOD and VOC, respectively, that occur when the input is changed from a high level to a low
level.
switching characteristics, V
CC
= 5 V
PARAMETER
TEST CONDITIONS
TA
25
°
C
MIN
TYP
11
MAX
UNIT
td(OD)
Differential output delay time
RL= 54
RL = 54
,
See Figure 3
2
20
ns
–55
°
C to 125
°
C
25
°
C
–55
°
C to 125
°
C
25
°
C
–55
°
C to 125
°
C
25
°
C
–55
°
C to 125
°
C
25
°
C
–55
°
C to 125
°
C
25
°
C
2
40
tt(OD)
Differential output transition time
RL= 54
RL = 54
,
See Figure 3
4
15
25
ns
4
40
tPZH
Output enable time to high level
RL= 110
RL = 110
,
See Figure 4
30
ns
40
tPZL
Output enable time to low level
RL= 110
RL = 110
,
See Figure 5
30
ns
40
tPHZ
Output disable time from high level
RL= 110
RL = 110
,
See Figure 4
50
ns
90
30
tPLZ
Output disable time from low level
Out ut disable time from low level
RL= 110
RL = 110
,
See Figure 5
ns
–55
°
C to 125
°
C
45
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