参数资料
型号: PI5C16244A
厂商: Pericom
文件页数: 1/5页
文件大小: 0K
描述: IC 16-BIT 4-PORT BUS SW 48-TSSOP
产品变化通告: Product Discontinuation Notice 11/Feb/2008
标准包装: 39
类型: 总线开关
电路: 4 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: 48-TFSOP(0.240",6.10mm 宽)
供应商设备封装: 48-TSSOP
包装: 管件
1
PS7025G
11/10/09
Features:
Near-Zero propagation delay
5Ω switches connect inputs to outputs
Direct bus connection when switches are ON
Ultra-low quiescent power (0.2μA typical)
– Ideally suited for notebook applications
Pin compatible with 74 series 16244
Industrial operating temperature: –40°C to +85°C
Packaging (Pb-free & Green available):
– 48-pin, 240 mil-wide plastic TSSOP (A)
PI5C16244
Block Diagram
Pin Conguration
Pin Description
Pin Name
I/O
Description
nBE
I
Bus Enable Input (Active LOW)
nA0-nA3
I/O
Bus A
nB0-nB3
I/O
Bus B
Truth Table(1)
Function
nBE
nA0–3
Disconnect
H
Hi-Z
Connect
L
nB0–3
Note:
1.
H = High Voltage Level; L = Low Voltage Level;
Hi-Z = High Impedance
Description:
PericomSemiconductor’sPI5C16244isa 16-bit,4-portbusswitches
that is pin compatible with the 74 series 1624416-bit driver. Four
enable signals (nBE) turn the switches on. The bus switch creates
no additional propagation delay or additional ground bounce noise.
1B0
1A0
1B1
1A1
1B2
1A2
1B3
1A3
1
BE
2B0
2A0
2B1
2A1
2B2
2A2
2B3
2A3
2
BE
3B0
3A0
3B1
3A1
3B2
3A2
3B3
3A3
3
BE
4B0
4A0
4B1
4A1
4B2
4A2
4B3
4A3
4
BE
16-Bit Bus Switch
1
BE
1
B0
1
B1
GND
1
B2
1
B3
VCC
2
B0
2
B1
GND
2
B2
2
B3
3
B0
3
B1
GND
3
B2
3
B3
VCC
4
B0
4
B1
GND
4
B2
4
B3
4
BE
2
BE
1
A0
1
A1
GND
1
A2
1
A3
VCC
2
A0
2
A1
GND
2
A2
2
A3
3
A0
3
A1
GND
3
A2
3
A3
VCC
4
A0
4
A1
GND
4
A2
4
A3
3
BE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
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
09-0005
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