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PI5C16861CV Datasheet

  • PI5C16861CV

  • Bus Switch

  • 5頁

  • ETC

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PI5C16861C
PI5C162861C (25鈩?
鈩?/div>
20-Bit, 2-Port Bus Switch
Product Features
鈥?/div>
Near-zero propagation delay
鈥?/div>
5鈩?or
25鈩?/div>
switches connect inputs to outputs
鈥?/div>
Direct bus connection when switches are ON
鈥?/div>
32X384 function with flow through pinout
make board layout easier
鈥?/div>
Ultra-low quiescent power (105碌A(chǔ) typical)
鈥?ideally suited for notebook applications
鈥?/div>
Industrial operating temperature: 鈥?0擄C to +85擄C
鈥?/div>
Packages available:
鈥?48-pin 240-mil wide plastic TSSOP (A)
鈥?48-pin 300-mil wide plastic SSOP (V)
Product Description
Pericom Semiconductor鈥檚 PI5C series of Bus Switch circuits are
produced using the Company鈥檚 advanced submicron CMOS
technology, achieving industry leading speed.
The PI5C16861C is configured as a 20-bit, 2-port bus switch
designed with a low ON resistance (5鈩? 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 (BEx) input signal.
The PI5C162861C device has a built-in 25-ohm series resistor to
reduce noise resulting from reflections, thus eliminating the need
for an external terminating resistor.
Logic Block Diagram
A
0
B
0
Product Pin Configuration
NC
A
0
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
A
9
GND
NC
A
10
A
11
A
12
A
13
A
14
A
15
A
16
A
17
A
18
A
19
GND
1
2
3
4
5
6
7
8
9
10
11
12
48-Pin
13
A,V
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
VCC
BE
1
B
0
B
1
B
2
B
3
B
4
B
5
B
6
B
7
B
8
B
9
VCC
BE
2
B
10
B
11
B
12
B
13
B
14
B
15
B
16
B
17
B
18
B
19
A
9
B
9
BE
1
A
10
B
10
A
19
B
19
BE
2
Truth Table
(1)
Function
BE
X
A
19-A0
Disconnect
H
Hi-Z
Connect
L
B
19-B0
Notes:
1. H = High Voltage Level
L = Low Voltage Level
Hi-Z = High Impedance
Product Pin Description
Pin Name
BEx
A
19-A0
B
19-B0
Description
Bus Enable Inputs (Active LOW)
Bus A
Bus B
1
PS8357C
05 /17/00

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