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參數(shù)資料
| 型號： | 508656X |
| 英文描述： | IC |
| 中文描述： | 集成電路 |
| 文件頁數(shù)： | 5/8頁 |
| 文件大小： | 200K |
| 代理商： | 508656X |
5
LTC1487
DI (Pin 4):
Driver Input. If the driver outputs are enabled
(DE HIGH) then a LOW on DI forces the outputs A LOW and
B HIGH. A HIGH on DI with the driver outputs enabled will
force A HIGH and B LOW.
GND (Pin 5):
Ground.
A (Pin 6):
Driver Output/Receiver Input.
B (Pin 7):
Driver Output/Receiver Input.
V
CC
(Pin 8):
Positive Supply. 4.75V < V
CC
< 5.25V.
PI
FU
CTIO
N
S
U
U
RO (Pin 1):
Receiver Output. If the receiver output is
enabled (RE LOW), and A > B by 200mV, RO will be HIGH.
If A < B by 200mV, then RO will be LOW.
RE (Pin 2):
Receiver Output Enable. A LOW enables the
receiver output, RO. A HIGH input forces the receiver
output into a high impedance state.
DE (Pin 3):
Driver Outputs Enable. A HIGH on DE enables
the driver output. A and B and the chip will function as a line
driver. A LOW input will force the driver outputs into a high
impedance state and the chip will function as a line
receiver. If RE is HIGH and DE is LOW, the part will enter
a low power (1
μ
A) shutdown state.
Figure 3. Driver/Receiver Timing Test Circuit
Figure 4. Driver Timing Test Load
OUTPUT
UNDER TEST
C
L
S1
S2
V
CC
500
LTC1487 F04
3V
DE
A
B
DI
R
DIFF
C
L1
C
L2
RO
15pF
A
B
RE
LTC1487 F03
Figure 1. Driver DC Test Load
Figure 2. Receiver Timing Test Load
V
OD
A
B
R
R
V
OC
LTC1487 F01
RECEIVER
OUTPUT
C
RL
1k
S1
S2
TEST POINT
V
CC
1k
LTC1487 F02
TEST CIRCUITS
LTC1487 Transmitting
INPUTS
DE
1
1
0
0
OUTPUTS
B
0
1
Z
Z*
RE
X
X
0
1
DI
1
0
X
X
A
1
0
Z
Z*
*Shutdown mode
LTC1487 Receiving
INPUTS
DE
0
0
0
0
OUTPUTS
RO
1
0
1
Z*
RE
0
0
0
1
A – B
≥
0.2V
≤
–0.2V
Inputs Open
X
*Shutdown mode
FU
U
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 50865-7 | 功能描述:CONN SOCKET RCPT .034-.041 TIN RoHS:否 類別:連接器，互連式 >> 端子 - PC 引腳插座，插口 系列:4 標(biāo)準(zhǔn)包裝:500 系列:324 Tail Type:標(biāo)準(zhǔn)尾 端子:陷形 長度 - 總體:0.602"（15.29mm） Accepts Pin Diameter:0.032" ~ 0.046" (0.81mm ~ 1.17mm) 安裝孔直徑:0.094" (2.39mm) Pin Hole Diameter:0.064" (1.63mm) 法蘭直徑:0.125"（3.18mm） Tail Diameter:0.040" (1.02mm) Socket Depth:0.195" (4.95mm) 觸點(diǎn)材料:銅鈹 觸點(diǎn)表面涂層:金 觸點(diǎn)涂層厚度:30µin（0.76µm） 包裝:散裝 特點(diǎn):- 工作溫度:-55°C ~ 125°C 板厚度:0.188" (4.78mm) Insertion Force:- 其它名稱:0324-5151534271000324515153427100324515153427100 |
| 508657R | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:IC SMD |
| 50865-8 | 功能描述:IC 與器件插座 MINI SPRING SKT RoHS:否 制造商:Molex 產(chǎn)品:LGA Sockets 節(jié)距:1.02 mm 排數(shù): 位置/觸點(diǎn)數(shù)量:2011 觸點(diǎn)電鍍:Gold 安裝風(fēng)格:SMD/SMT 端接類型:Solder 插座/封裝類型:LGA 2011 工作溫度范圍:- 40 C to + 100 C |
| 50866-7226 | 制造商:Molex 功能描述: |
| 508669A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:IC SMD |
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