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參數(shù)資料
| 型號： | SN55ALS195FK |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | QUADRUPLE DIFFERENTIAL LINE RECEIVERS |
| 中文描述： | 翻兩番差分線接收機 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大?。?/td> | 164K |
| 代理商： | SN55ALS195FK |
SN55ALS195, SN75ALS195
QUADRUPLE DIFFERENTIAL LINE RECEIVERS
SLLS010D – JUNE 1986 – REVISED MAY 1995
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
SN55ALS195
MIN
NOM
SN75ALS195
MIN
NOM
UNIT
MAX
MAX
Supply voltage, VCC
Common-mode input voltage, VIC
Differential input voltage, VID
High-level input voltage, VIH
Low-level input voltage, VIL
High-level output current, IOH
Low-level output current, IOL
Operating free-air temperature, TA
4.5
5
5.5
±
7
±
12
4.75
5
5.25
±
7
±
12
V
V
V
2
2
V
0.8
0.8
V
μ
A
mA
°
C
–400
–400
16
16
–55
125
0
70
electrical characteristics over recommended ranges of common-mode input voltage, supply
voltage, and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIT+
Positive-going input threshold
voltage
200
mV
VIT–
Negative-going input threshold
voltage
–200§
mV
Vhys
VIK
Hysteresis voltage (VIT+ – VIT–)
Enable-input clamp voltage
120
mV
VCC = MIN,
VCC = MIN,
See Figure 1
II = – 18 mA
VID = 200 mV,
–1.5
V
VOH
High-level output voltage
IOH = – 400
μ
A,
2.5
3.6
V
VOL
Low level output voltage
Low-level output voltage
VCC = MIN,
VID = – 200 mV,
See Figure 1
IOL = 8 mA
0.45
V
IOL = 16 mA
VIL = 0.8 V,
0.5
IOZ
Hig
output current
VCC = MAX,
VO = 2.7 V
VCC = MAX,
VO = 0.5 V
VID = – 3 V,
20
μ
A
VIL = 0.8 V,
VID = 3 V,
–20
II
Line input current
Other input at 0 V,
See Note 3
VCC = MIN,
VCC = MAX,
VIH = 2.7 V
VIH = 5.25 V
VIL = 0.4 V
VI = 15 V
VI = –15 V
0.7
1.2
mA
–1
–1.7
IIH
High level enable input current
High-level enable-input current
VCC= MAX
VCC = MAX
20
μ
A
100
IIL
ri
Low-level enable-input current
VCC = MAX,
–100
μ
A
k
Input resistance
12
18
IOS
Short-circuit output current
VCC = MAX,
See Note 4
VID = 3 V,
VO = 0,
–15
–78
–130
mA
ICC
For conditions shown as MIN or MAX, use the appropriate values specified under recommended operating conditions.
All typical values are at VCC = 5 V, TA = 25
°
C.
§The algebraic convention, in which the less positive limit is designated minimum, is used in this data sheet for threshold voltage levels only.
NOTES:
3. Refer to ANSI Standards EIA/TIA-422-B and EIA/TIA-423-A for exact conditions.
4. Not more than one output should be shorted at a time, and the duration of the short circuit should not exceed one second.
Supply current
VCC = MAX,
Outputs disabled
22
35
mA
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