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PI5C16861CA Datasheet

  • PI5C16861CA

  • Bus Switch

  • 251.41KB

  • 4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-ohm or
25鈭抩hm
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)
聳 ideally suited for notebook applications
鈥?/div>
Industrial operating temperature: 聳40擄C to +85擄C
鈥?/div>
Packages available:
聳 48-pin 240-mil wide plastic TSSOP (A)
Product Description
Pericom Semiconductor聮s PI5C series of Bus Switch circuits are
produced using the Company聮s 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 ohms) 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
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
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
48-Pin
38
A
37
36
35
34
33
32
31
30
29
28
27
26
25
A
10
B
10
A
19
B
19
BE
2
Truth Table
(1)
Function
Disconnect
Connect
nBE
H
L
nA0-7
Hi- Z
nB0- 7
Product Pin Description
Pin Name
S0- S2
xAx
xBx
I/O
I
I/O
I/O
De s cription
Select Inputs
Bus A
Bus B
Notes:
1. H = High Voltage Level
L = Low Voltage Level
Hi-Z = High Impedance
1
PS8357D
05 /10/01

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