參數(shù)資料
型號(hào)： SN75ALS170AJ
廠商： Texas Instruments, Inc.
英文描述： TRIPLE DIFFERENTIAL BUS TRANSCEIVER
中文描述： 三路差分總線收發(fā)器
文件頁數(shù)： 7/15頁
文件大小： 243K
代理商： SN75ALS170AJ
SN75ALS170, SN75ALS170A
TRIPLE DIFFERENTIAL BUS TRANSCEIVER
SLLS055D – AUGUST 1987 – REVISED SEPTEMBER 1995
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
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
MIN
TYP
MAX
UNIT
VIT+
VIT–
Vhys
VIK
Positive-going input threshold voltage
VO = 2.7 V,
VO = 0.5 V,
IO = –0.4 mA
IO = 8 mA
0.3
V
Negative-going input threshold voltage
–0.3
V
Hysteresis voltage (VIT+ – VIT–)
Enable-input clamp voltage
60
mV
II = –18 mA
VID = 300 mV,
See Figure 5
–1.5
V
VOH
High-level output voltage
IOH = –400
μ
A,
2.7
V
VOL
Low-level output voltage
VID = –300 mV,
See Figure 5
IOL = 8 mA,
0.45
V
IOZ
High impedance state output current
High-impedance-state output current
VO = 2.4 V
VO = 0.4 V
Other input = 0,
See Note 4
20
μ
A
–400
II
Line input current
VI = 12 V
VI = –7 V
1
mA
–0.8
IIH
IIL
rI
IOS
High-level enable-input current
VIH = 2.7 V
VIL = 0.4 V
20
μ
A
μ
A
k
mA
Low-level enable-input current
–100
Input resistance
12
Short-circuit output current
VID = 300 mV,
VO = 0
Outputs enabled
Outputs disabled
–15
–85
ICC
Supply current
No load
69
57
90
78
mA
All typical values are at VCC = 5 V and TA = 25
°
C.
The algebraic convention, in which 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: This applies for both power on and off; refer to EIA Standard RS-485 for exact conditions.
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature range
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
tPLH
Propag
y
output
ALS170
9
19
ns
,
g
ALS170A
VID = –1.5 V to 1.5 V,
CL= 15 pF
CL = 15 pF,
See Figure 6
TA= 25
TA = 25
°
C,
11.5
16.5
tPHL
Propagation delay time, high-to-low-level
output
ALS170
9
19
ns
ALS170A
ALS170
11.5
16.5
tk( )
tsk(p)
Pulse skew§
2
6
ns
ALS170A
VID = –1.5 V to 1.5 V,
CL = 15 pF,
5
tsk(lim)
Skew limit
ALS170
See Figure 6
10
ns
ALS170A
5
All typical values are at VCC = 5 V and TA = 25
°
C.
§Pulse skew is defined as the |tPLH–tPHL| of each channel.
Skew limit is the maximum difference in propagation delay times between any two channels of one device and between any two devices. This
parameter is applicable at one VCC and operating temperature within the recommended operating conditions.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN75ALS170DW 功能描述:SCSI 接口集成電路 Triple Diff Bus Transceiver RoHS:否 制造商:Texas Instruments 工作電源電壓:2.7 V to 5.25 V 電源電流:13 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSOP-36 封裝:Tube
SN75ALS170DWE4 功能描述:SCSI 接口集成電路 Triple Diff Bus Transceiver RoHS:否 制造商:Texas Instruments 工作電源電壓:2.7 V to 5.25 V 電源電流:13 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSOP-36 封裝:Tube
SN75ALS170DWG4 功能描述:SCSI 接口集成電路 Triple Differential Bus Transceiver RoHS:否 制造商:Texas Instruments 工作電源電壓:2.7 V to 5.25 V 電源電流:13 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSOP-36 封裝:Tube
SN75ALS170DWR 功能描述:SCSI 接口集成電路 Triple Diff Bus Transceiver RoHS:否 制造商:Texas Instruments 工作電源電壓:2.7 V to 5.25 V 電源電流:13 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSOP-36 封裝:Tube
SN75ALS170DWRE4 功能描述:SCSI 接口集成電路 Triple Diff Bus Transceiver RoHS:否 制造商:Texas Instruments 工作電源電壓:2.7 V to 5.25 V 電源電流:13 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSOP-36 封裝:Tube
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