参数资料
型号: PI3B16244A
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
电源电压: 3 V ~ 3.6 V
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
PS8170D
10/01/04
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Features
Near-Zero propagation delay
5-ohm switches connect inputs to outputs when enabled
Fast Switching Speed - 4ns max.
Pin compatible with 74 series 16244
Operating Vcc: 3.0V to 3.6V
Industrial operating temperature: –40°C to +85°C
Packaging (Pb-free & Green available):
– 48-pin 240 mil wide thin plastic TSSOP (A)
– 48-pin 300 mil wide plastic SSOP (V)
Description
Pericom Semiconductor’s PI3B16244 is a 16-bit, 4-port bus switch
that is pin compatible with the 74 series 16244 16-bit driver. Four
enable signals (nBE) turn the switch on similar to the enable signals
of the 16244. The bus switch creates no additional propagation
delay or ground bounce noise.
PI3B16244
3.3V, 16-Bit, 4-Port NanoSwitch
Block Diagram
PinDescription
TruthTable(1)
Note:
1. H
= High Voltage Level
L
= Low Voltage Level
Hi-Z = High Impedance
PinConfiguration
1
BE
1
B0
2
1
B1
3
GND
4
1
B2
5
1
B3
6
VCC
7
2
B0
8
2
B1
9
GND
10
2
B2
11
2
B3
12
3
B0
13
3
B1
14
GND
15
3
B2
16
3
B3
17
VCC
18
4
B0
19
4
B1
20
GND
21
4
B2
22
4
B3
23
4
BE
24
2
BE
48
1
A0
47
1
A1
46
GND
45
1
A2
44
1
A3
43
VCC
42
2
A0
41
2
A1
40
GND
39
2
A2
38
2
A3
37
3
A0
36
3
A1
35
GND
34
3
A2
33
3
A3
32
VCC
31
4
A0
30
4
A1
29
GND
28
4
A2
27
4
A3
26
3
BE
25
n
o
i
t
c
n
u
FE
B
n7
-
0
A
n
t
c
e
n
o
c
s
i
DH
Z
-i
H
t
c
e
n
o
CL
7
-
0
B
n
e
m
a
N
n
i
PO
/
In
o
i
t
p
i
r
c
s
e
D
E
B
nI
)
w
o
L
e
v
it
c
A
(
e
l
b
a
n
E
t
u
p
t
u
O
s
u
B
7
A
n
-
0
A
nO
/
IA
s
u
B
7
B
n
-
0
B
nO
/
IB
s
u
B
2
BE
1
BE
1
B1
1
B0
1
A1
1
A0
1
B1
1
B0
1
A3
1
A2
2
B1
2
B0
2
A1
2
A0
2
B3
2
B2
2
A3
2
A2
4
BE
3
BE
3
B1
3
B0
3
A1
3
A0
3
B1
3
B0
3
A3
3
A2
4
B1
4
B0
4
A1
4
A0
4
B3
4
B2
4
A3
4
A2
B
A
BE
SW
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