参数资料
| 型号： | PI5C34X245BE |
| 厂商： | Pericom |
| 文件页数： | 3/4页 |
| 文件大小： | 0K |
| 描述： | IC 32-BIT BUS SWITCH 80-BQSOP |
| 标准包装： | 24 |
| 类型： | 总线开关 |
| 电路： | 32 x 1:1 |
| 独立电路： | 4 |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 80-FSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 80-BQSOP |
| 包装： | 管件 |
3
www.pericom.com
05/26/11
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PI5C34X245
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
0.1
3.0
μA
ΔICC
Supply Current @ TTL
HIGH
VCC = Max.
VIN = 3.4V(3)
2.5
mA
ICCD
Supply Current per
Input per MHz(4)
VCC = Max.
A & B Pins Open,
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
3. 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
Test Conditions
Com.
Units
Min
Max
tPLH
tPHL
Propagation Delay(1,2)
Ax to Bx
CL = 50 pF
RL = 500Ω
0.25
ns
tPZH
tPZL
Bus Enable Time
BE to Ax or Bx
1.5
5.6
tPHZ
tPLZ
Bus Disable Time
BE to Ax or Bx
1.5
5.2
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 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.
Capacitance (TA = 25°C, f = 1 MHz)
Parameters(1) Description
Test Conditions
Typ
Units
CIN
Input Capacitance
VIN = 0V
6
pF
COFF
A/B Capacitance, Switch Off
6
pF
CON
A/B Capacitance, Switch On
12
pF
Notes:
1. This parameter is determined by device characterization but is not production tested.
11-0009
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PI5C34X245BEX | 功能描述:数字总线开关 IC 32B Bus Switch RoHS:否 制造商:Texas Instruments 开关数量:24 传播延迟时间:0.25 ns 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:TSSOP-56 封装:Reel |
| PI5C34X245BX | 制造商:Pericom Semiconductor Corporation 功能描述:Bus Switch 4-Element CMOS 32-IN 80-Pin BQSOP T/R |
| PI5C34X245ZA | 制造商:PERICOM 制造商全称:Pericom Semiconductor Corporation 功能描述:32-Bit, 2-Port Bus Switch |
| PI5C34X245ZAE | 制造商:PERICOM 制造商全称:Pericom Semiconductor Corporation 功能描述:32-Bit, 2-Port Bus Switch |
| PI5C34X2484N | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Bus Switch |
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