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參數(shù)資料
| 型號： | PI3C34X245BE |
| 廠商： | Pericom |
| 文件頁數(shù)： | 3/5頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC 32-BIT BUS SW 2-PORT 80-BQSOP |
| 標準包裝： | 24 |
| 類型： | 總線開關(guān) |
| 電路： | 8 x 1:1 |
| 獨立電路： | 4 |
| 電壓電源： | 單電源 |
| 電源電壓： | 2.5V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 80-FSOP（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 80-BQSOP |
| 包裝： | 管件 |
3
www.pericom.com
PS8429F
10/23/13
All trademarks are property of their respective owners.
PI3C34X245
2.5V/3.3V, High Bandwidth, Hot Insertion,
32-Bit, 2-Port Bus Switch
Power Supply Characteristics
Parameters Description
Test Conditions(1)
Min
Typ (2)
Max
Units
ICC
Quiescent Power Supply
Current
VCC = Max.
VIN = GND or VCC
1.0
2.0
mA
ΔICC
Supply Current per
Input HIGH
VIN = 3.0V(3)
2.5
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device.
2. Typical values are at VCC = 3.3V, +25°C ambient.
3. Per driven input (control input only); A and B pins do not contribute to ΔICC.
Switching Characteristics over 3.3V Operating Range
Parameters Description
Test Conditions (1)
Com.
Units
Min
Max
tPLH
tPHL
Propagation Delay(2,3)
Ax to Bx
CL = 50 pF
RL = 500Ω
0.25
ns
tPZH
tPZL
Bus Enable Time
BE to Ax or Bx
CL = 50 pF
RL = 500Ω
R = 500Ω
1.5
6.5
tPHZ
tPLZ
Bus Disable Time
BE to Ax or Bx
1.5
5.5
Switching Characteristics over 2.5V Operating Range
Parameters Description
Test Conditions (1)
Com.
Units
Min
Max
tPLH
tPHL
Propagation Delay(2,3)
Ax to Bx
CL = 50 pF
RL = 500Ω
0.25
ns
tPZH
tPZL
Bus Enable Time
BE to Ax or Bx
CL = 50 pF
RL = 500Ω
R = 500Ω
1.5
9.8
tPHZ
tPLZ
Bus Disable Time
BE to Ax or Bx
1.5
8.3
Notes:
1. See test circuit and waveforms.
2. This parameter is guaranteed but not tested on Propagation Delays.
3. The bus switch contributes no propagational delay other than the RC delay of the On-Resistance of the switch and the load ca-
pacitance. The time constant for the switch alone is of the order of 0.25 ns for 50 pF load. Since this time constant is much smaller
than the rise/fall times of typical driving signals, it adds very little propagational delay to the system. Propagational delay of the bus
switch when used in a system is determined by the driving circuit on the driving side of the switch and its interaction with the load
on the driven side.
13-0159
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| PI3C34X245BEX | 功能描述:數(shù)字總線開關(guān) IC 3.3V High Bandwidth Bus RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:24 傳播延遲時間:0.25 ns 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TSSOP-56 封裝:Reel |
| PI3C34X2484NB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Bus Switch |
| PI3C34X461 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Digital Switch | 3.3V. High-Bandwidth. 40-Bit Bus Switch. Flow-through LFBGA Pinout |
| PI3C34X461NB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Bus Switch |
| PI3C34X484 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Digital Switch | 3.3V. High-Bandwidth. 40-Bit Bus Switch LFBGA packaging |
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