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參數(shù)資料
| 型號： | PI90LV044LE |
| 廠商： | Pericom |
| 文件頁數(shù)： | 1/11頁 |
| 文件大小： | 0K |
| 描述： | IC LVDS DUAL 2X2 CROSSPT 28TSSOP |
| 標準包裝： | 50 |
| 功能： | 交叉點開關 |
| 電路： | 2 x 2:2 |
| 電壓電源： | 單電源 |
| 電壓 - 電源，單路/雙路(±)： | 3 V ~ 3.6 V |
| 電流 - 電源： | 16mA |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-TSSOP（0.173"，4.40mm 寬） |
| 供應商設備封裝： | 28-TSSOP |
| 包裝： | 管件 |
1
PS8485G
10/16/09
Features
Dual 2x2 Crosspoint/Repeater Switch
Meets or Exceeds the Requirements of
ANSI TIA/EIA-644-1995
Designed for Signaling Rates up to 650 Mbit/s (325Mhz)
Operates from a single 3.3V Supply: –40°C to 85°C
Low-Voltage Differential Signaling with Output Voltages of
±350mV into:
- 100Ω load (PI90LV044)
- 50Ω load Bus LVDS Signaling (PI90LVB044)
Accepts ±350mV differential inputs
Wide common mode input range: 0.2V to 2.7V
Output drivers are high impedance when disabled or
when VCC 1.5V
Inputs are open, short, and terminated fail safe
Propagation Delay Time: 3.5ns
ESD protection is 10kV on bus pins
Bus Pins are High Impedance when disabled or
with VCC less than 1.5V
TTL Inputs are 5V Tolerant
Power Dissipation at 400 Mbit/s of 250mW
Packaging (Pb-free & Green available):
- 28-pin TSSOP (L)
Description
The PI90LV044 and PI90LVB044 are monolithic dual 2x2 asyn-
chronous crosspoint/repeater switches. The crosspoint function
is based on a multiplexer tree architecture. Each 2x2 switch can
be considered as a pair of 2:1 multiplexers that share the same
inputs. The signal path through each switch is fully differential
with minimal propagation delay. The signal path is unregistered,
so no clock is required for the data inputs. The signal line drivers
and receivers use Low Voltage Differential Signaling (LVDS) to
achieve signaling rates as high as 650Mbps.
The LVDS standard provides a minimum differential output volt-
age magnitude of 247 mV into a 100Ω load and receipt of 100
mV signals with up to 1V of ground potential difference between a
transmitter and receiver. The PI90LVB044 doubles the output drive
current to achieve LVDS levels with a 50 ohm load.
The intended application of these devices is for loop-through and
redundant channel switching for both point-to-point baseband
(PI90LV044) and multipoint (PI90LVB044) data transmissions
over controlled impedance media.
Block Diagram
Pin Conguration
PI90LV044, PI90LVB044
LVDS Dual 2x2 Crosspoint/Repeater Switch
VCC
1Y
1Z
2DE
2Z
2Y
GND
VCC
3Y
3Z
4DE
4Y
4Z
GND
1B
1A
S0
1DE
S1
2A
2B
3A
3B
S2
3DE
S3
4A
4B
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1DE/2DE
1Y/1Z
2Y/2Z
3DE/4DE
3Y/3Z
4Y/4Z
S0,S1
1A/1B
2A/2B
S2/S3
3A/3B
4A/4B
09-0003
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相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PI90LV044LEX | 功能描述:模擬和數(shù)字交叉點 IC LVDS Dual 2x2 Crosspoint RoHS:否 制造商:Micrel 配置:2 x 2 封裝 / 箱體:MLF-16 數(shù)據(jù)速率:10.7 Gbps 輸入電平:CML, LVDS, LVPECL 輸出電平:CML 電源電壓-最大:3.6 V 電源電壓-最小:2.375 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 產(chǎn)品:Digital Crosspoint 封裝:Tube |
| PI90LV044Q | 制造商:Pericom Semiconductor Corporation 功能描述:Digital Crosspoint Dual 2x2 0.65Gbps 28-Pin QSOP |
| PI90LV044QE | 功能描述:模擬和數(shù)字交叉點 IC LVDS Dual 2x2 Crosspoint RoHS:否 制造商:Micrel 配置:2 x 2 封裝 / 箱體:MLF-16 數(shù)據(jù)速率:10.7 Gbps 輸入電平:CML, LVDS, LVPECL 輸出電平:CML 電源電壓-最大:3.6 V 電源電壓-最小:2.375 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 產(chǎn)品:Digital Crosspoint 封裝:Tube |
| PI90LV044QEX | 功能描述:模擬和數(shù)字交叉點 IC LVDS Dual 2x2 Crosspoint RoHS:否 制造商:Micrel 配置:2 x 2 封裝 / 箱體:MLF-16 數(shù)據(jù)速率:10.7 Gbps 輸入電平:CML, LVDS, LVPECL 輸出電平:CML 電源電壓-最大:3.6 V 電源電壓-最小:2.375 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 產(chǎn)品:Digital Crosspoint 封裝:Tube |
| PI90LV047A | 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:3V LVDS Quad Flow-Through Differential Line Drivers |
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