參數(shù)資料
型號: PI3VT3245QE
廠商: Pericom
文件頁數(shù): 1/5頁
文件大小: 0K
描述: IC 8BIT BUS SWITCH 2PORT 20-QSOP
標(biāo)準(zhǔn)包裝: 55
類型: 總線開關(guān)
電路: 8 x 1:1
獨(dú)立電路: 1
電壓電源: 單電源
電源電壓: 2.5 V ~ 3.3 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 20-QSOP
包裝: 管件
1
PS8530B
08/13/04
Truth Table(1)
Function
BE
A0-7
Disconnect
H
Hi-Z
Connect
L
B0-7
Description
PericomSemiconductor’sPI3VTseriesoflogiccircuitsareproduced
using the Company’s advanced submicron CMOS technology,
achieving industry leading performance.
The PI3VT3245 is a 2.5V or 3.3V 8-bit, 2-port bus switch
designed with a low On-Resistance (5). The switches are turned
ON or enabled by the Bus Enable (BE) input signal.
Given a 3.3V supply and an input voltage of 3.3V, the switch
translates to an output voltage of 2.5V. Similarly, when operated
with a 2.5V supply and given 2.5V inputs, the device translates
the outputs to 1.8V.
Notes:
1. H = High Voltage Level
L = Low Voltage Level
Hi-Z = High Impedance
Block Diagram
Pin Description
Pin Name
Description
BE
Bus Enable Input (Active Low)
A0-A7
Bus A
B0-B7
Bus B
VCC
Power
GND
Ground
Pin Configuration
Features
Near-Zero propagation delay
Low On-Resistance switches connect inputs to outputs
2.5V to 3.3V Supply voltage operation
2.5V or 1.8V switching
Packaging (Pb-free & Green available):
– 20-pin, 150-mil wide plastic QSOP (Q)
– 20-pin, 173-mil wide plastic TSSOP (L)
Applications
3.3V to 2.5V level shifting (voltage translation)
2.5V to 1.8V level shifting (voltage translation)
PI3VT3245
8-Bit, 2-Port, Low Voltage
Translator Bus Switch
VCC
BE
B0
B1
B2
B3
B4
B5
B6
B7
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
NC
A0
A1
A2
A3
A4
A5
A6
A7
GND
BE
A7
A0
B7
B0
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