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參數(shù)資料
| 型號(hào)： | PI3B32X384BEX |
| 廠商： | Pericom |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC 20-BIT BUS SW 2-PORT 48-BQSOP |
| 標(biāo)準(zhǔn)包裝： | 3,000 |
| 類型： | 總線開關(guān) |
| 電路： | 5 x 1:1 |
| 獨(dú)立電路： | 4 |
| 電壓電源： | 單電源 |
| 電源電壓： | 3.3V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-FSOP（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 48-BQSOP |
| 包裝： | 帶卷 (TR) |
1
PS8336F
12/04/06
BEA
1
B0
2
A0
3
A1
4
B1
5
B2
6
A2
7
A3
8
B3
9
B4
10
A4
11
GND
12
BEC
13
B5
14
A5
15
A6
16
B6
17
B7
18
A7
19
A8
20
B8
21
B9
22
A9
23
GND
24
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
VCC
B19
A19
A18
B18
B17
A17
A16
B16
B15
A15
BEB
VCC
B14
A14
A13
B13
B12
A12
A11
B11
B10
A10
BED
Features
Near-Zero propagation delay
5-ohm switches connect inputs to outputs
Direct bus connection when switches are ON
Ultra-low quiescent power (0.1A typical)
– Ideally suited for notebook applications
Fast Switching Speed: 4.5ns max.
TTL-compatible control of input levels
Packaging (pb-free & Green available):
– 48-pin 150-mil wide plastic BQSOP (B)
Block Diagram
Pin Conguration
Pin Description
Truth Table(1)
Note:
1. H = High Voltage Level
L = Low Voltage level
Hi-Z = High Impedance
Description
Pericom Semiconductor’s PI3B32X384 is a 3.3V, 20-bit bus
switch designed with a low On-Resistance 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. Four bus enable
signals are provided, one for each of the upper and lower ve bits
of the two 10-bit buses.
PI3B32X384
3.3V, 20-Bit, 2-Port NanoSwitch
BEB
BEA
A19
A15
B19
B15
A4
A0
B4
B0
BED
BEC
A14
A10
B14
B10
A9
A5
B9
B5
B
A
OE
SW
Function
BEA
BEB
B4-B0
B19-B15
Disconnect
Hi-Z
Connect
L
H
A4-A0
Hi-Z
Connect
H
L
Hi-Z
A19-A15
Connect
L
A4-A0
A19-A15
Function
BEC
BED
B9-B5
B14-B10
Disconnect
H
Hi-Z
Connect
L
H
A9-A5
Hi-Z
Connect
H
L
Hi-Z
A14-A10
Connect
L
A9-A5
A14-A10
Pin Name
Description
BEx
Bus Enable Inputs (Active LOW)
A19-A0
Bus A
B19-B0
Bus B
GND
Ground
Vcc
Power
06-0312
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