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參數(shù)資料
| 型號： | PI5C32X2245BE |
| 廠商： | Pericom |
| 文件頁數(shù)： | 3/4頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC 16-BIT BUS SW 2-PORT 40-BQSOP |
| 產(chǎn)品變化通告： | Product Discontinuation Notice 22/Jan/2010 |
| 標(biāo)準(zhǔn)包裝： | 49 |
| 系列： | 32X |
| 類型： | 總線開關(guān) |
| 電路： | 8 x 1:1 |
| 獨立電路： | 2 |
| 電壓電源： | 單電源 |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 40-FSOP（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 40-BQSOP |
| 包裝： | 管件 |
3
PI5C32X2245
16-Bit, 2-P ort Bus Switch
with 25Ω Series Resistor
PS8195B
05/11/06
Power Supply Characteristics
Parameters
Description
Test Conditions(1)
Min.
Typ(2)
Max.
Units
ICC
Quiescent Power
Supply Current
VCC = Max.
VIN = GND or VCC
0.1
3.0
A
ΔICC
Supply Current per
Input @ TTL HIGH
VCC = Max.
VIN = 3.4V(3)
2.5
mA
ICCD
Supply Current per
Input per MHz(4)
VCC = Max.,
A and B Pins Open
BEn = GND
Control Input Toggling
50% Duty Cycle
0.25
mA/
MHz
Notes:
1.
For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device.
2.
Typical values are at Vcc = 5.0V, +25°C ambient.
3.
Per TTL driven input (VIN = 3.4V, control inputs only); A and B pins do not contribute to Icc.
4.
This current applies to the control inputs only and represent the current required to switch internal capacitance at the specified frequency. The
A and B inputs generate no significant AC or DC currents as they transition. This parameter is not tested, but is guaranteed by design.
Switching Characteristics over Operating Range
Parameters
Description
Conditions
Com.
Unit
Min.
Max.
tPLH
tPHL
Propagation Delay(1,2)
Ax to Bx, Bx to Ax
CL = 50pF
RL = 500
1.25
ns
tPZH
tPZL
Bus Enable Time
BEX to Ax or Bx
1.5
7.5
tPHZ
tPLZ
Bus Disable Time
BEx to Ax or Bx
1.5
5.5
Notes:
1.
This parameter is guaranteed but not tested on Propagation Delays.
2.
The bus switch contributes no propagational delay other than the RC delay of the On-Resistance of the switch and the load capacitance. The
time constant for the switch alone is of the order of 0.25ns for 50pF 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.
06-0237
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| PI5C32X2245BEX | 功能描述:數(shù)字總線開關(guān) IC 16B Bus Switch 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 |
| PI5C32X2383A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Bus Exchanger |
| PI5C32X2383B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Bus Exchanger |
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