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參數資料
| 型號： | PI5C32245 |
| 廠商： | Pericom Semiconductor Corp. |
| 英文描述： | 8-Bit, 2-Port Bus Switch with 25W Series Resistor |
| 中文描述： | 8位，2端口總線開關與25W系列電阻 |
| 文件頁數： | 1/3頁 |
| 文件大小： | 31K |
| 代理商： | PI5C32245 |
149
PS8136 08/20/97
Function
Disconnect
Connect
BE
H
L
A
0–7
Hi-Z
B
0–7
Truth Table
(1)
Note:
1. H
=
=
High Voltage Level
Low Voltage Level
High Impedance
L
Hi-Z =
Logic Block Diagram
Product Pin Description
Pin Name
BE
A
0
–
7
B
0
–
7
GND
V
CC
Description
Bus Enable Input (Active LOW)
Bus A
Bus B
Ground
Power
Product Pin Configuration
PI5C32245
8-Bit, 2-Port Bus Switch
with 25
Series Resistor
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Product Features:
Near zero propagation delay
25
series resistor termination
5
switches connect inputs to outputs
Direct bus connection when switches are ON
Ultra Low Quiescent Power (0.2 μA Typical)
– Ideally suited for notebook applications
Pin compatible with 74 series 245 logic devices
Packages available:
– 20-pin 150 mil wide plastic QSOP (Q)
Product Description:
Pericom Semiconductor’s PI5C series of logic circuits are
produced in the Company’s advanced 0.8 micron CMOS technology,
achieving industry leading performance.
The PI5C32245 is a 8-bit, 2-port bus switch designed with a low
ON resistance (5
) allowing inputs to be connected directly to
outputs. The bus switch creates no additional propagational delay
or additional ground bounce noise. The switches are turned ON by
the Bus Enable (BE) input signal. Pinout is compatible with
PI74FCT245T (Octal Bidirectional Transceiver). The device has a
built-in 25
resistor to reduce noise resulting from reflections, thus
eliminating the need for an external terminating resistor.
BE
A
7
A
0
B
7
B
0
V
CC
BE
B
0
B
1
B
2
B
3
B
4
B
5
B
6
B
7
NC
A
0
A
1
A
2
A
3
A
4
A
5
A
6
A
7
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
GND
20-PIN
Q
相關PDF資料 |
PDF描述 |
|---|---|
| PI5C3244S | 8-Bit, 2-Port Switch |
| PI5C3244SE | 8-Bit, 2-Port Switch |
| PI5C3244 | 8-Bit, 2-Port Switch |
| PI5C3244L | 8-Bit, 2-Port Switch |
| PI5C3244LE | 8-Bit, 2-Port Switch |
相關代理商/技術參數 |
參數描述 |
|---|---|
| PI5C32245Q | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Bus Switch |
| PI5C32383Q | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Bus Exchanger |
| PI5C32383S | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Bus Exchanger |
| PI5C32384 | 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:10-Bit, 2-Port BusSwitch |
| PI5C32384P | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Bus Switch |
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