Datasheet PI5C162213V, PI5C162213A Datasheet (PERICOM)

116

PS7051A 08/12/96

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PI5C16213

24-Bit Bus-Exchange Switch

Product Description:

Pericom Semiconductor’s PI5C series of logic circuits are pro­duced in the Company’s advanced 0.6 micron CMOS technology.

The PI5C16213 is a 24-bit bus-exchange switch designed with a
low ON resistance allowing connections to be made with minimal
propagation delay. This device operates as a 24-bit or a 12-bit bus
switch, which provides data exchanging between the four signal
ports via the data-select (S0-S2) terminals.

Product Features:

• Near-zero propagation delay

•5Ω switches connect inputs to outputs

• Direct bus connection when switches are ON

• Ultra-low quiescent power (0.2 µA typical)
– Ideally suited for notebook applications

• Industrial operating temperature: –40°C to +85°C

• Packages available:
– 56-pin 240-mil wide thin plastic TSSOP (A)
– 56-pin 300-mil wide plastic SSOP (V)

Logic Block Diagram

Product Pin Configuration

56-PIN

A, V

Function S2 S1 S0 A1 A2

Disconnect L LLZZ
A1 to B1 L L H B1 Z
A1 to B2 L H L B2 Z
A2 to B1 L H H Z B1
A2 to B2 H L L Z B2
A1 to A2 and B2 H L H A2/B2 Z
A1 to B1, A2 to B2 H H L B1 B2
A1 to B2, A2 to B1 H H H B2 B1

Truth Table

Product Pin Description

Pin Name I/O Description

S0-S2 I Select Inputs
xAx I/O Bus A
xBx I/O Bus B

NOTE: 1. H = High Voltage Level

L = Low Voltage Level
Z = High Impedance

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34

33
25
26
27
28

32

31

30

29

S0

1A1
1A2
2A1
2A2
3A1
3A2

GND

4A1
4A2
5A1
5A2
6A1
6A2
7A1
7A2

VCC

8A1

GND

8A2
9A1

9A2
10A1
10A2
11A1
11A2
12A1
12A2

S1
S2

1B1
1B2
2B1
2B2
3B1

GND

3B2
4B1
4B2
5B1
5B2
6B1
6B2
7B1
7B2
8B1

GND

8B2
9B1
9B2
10B1
10B2
11B1
11B2
12B1
12B2

1 of 12 Channels

Flow Control

1A1

1A2

S0

1B1

1B2

S1
S2

PI5C16213

24-BIT BUS-EXCHANGE SWITCH

117

PS7051A 08/12/96

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Maximum Ratings

(Above which the useful life may be impaired. For user guidelines, not tested.)

Storage Temperature ................................................................. –55°C to +125°C

Ambient Temperature with Power Applied ................................ –40°C to +85°C

Supply Voltage to Ground Potential (Inputs & Vcc Only) .......... –0.5V to +7.0V

Supply Voltage to Ground Potential (Outputs & D/O Only) .......–0.5V to +7.0V

DC Input Voltage .........................................................................–0.5V to +7.0V

DC Output Current ................................................................................... 120 mA

Power Dissipation........................................................................................ 0.5 W

Note:

Stresses greater than those listed under
MAXIMUM RATINGS may cause permanent
damage to the device. This is a stress rating
only and functional operation of the device at
these or any other conditions above those
indicated in the operational sections of this
specification is not implied. Exposure to
absolute maximum rating conditions for
extended periods may affect reliability.

Capacitance (TA = 25°C, f = 1 MHz)

Parameters

(5)

Description Test Conditions Typ Max. Units

CIN Input Capacitance VIN = 0V — 6 pF
COFF A/B Capacitance, Switch Off VIN = 0V — 6 pF

CON A/B Capacitance, Switch On VIN = 0V — 8 pF

Notes:

1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device
type.

2. Typical values are at Vcc = 5.0V, TA = 25°C ambient and maximum loading.

3. Not more than one output should be shorted at one time. Duration of the test should not exceed one second.

4. Measured by the voltage drop between A and B pin at indicated current through the switch. ON resistance is determined by the
lower of the voltages on the two (A,B) pins.

5. This parameter is determined by device characterization but is not production tested.

DC Electrical Characteristics (Over the Operating Range, TA = –40°C to +85°C, VCC = 5V ±10%)

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PI5C16213

24-BIT BUS-EXCHANGE SWITCH

118

PS7051A 08/12/96

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Notes:

1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device.

2. Typical values are at Vcc = 5.0V, +25°C ambient.

3. Per TTL driven input (VIN = 3.4V, control inputs only); A and B pins do not contribute to Icc.

4. This current applies to the control inputs only and represent the current required to switch internal capacitance at the specified
frequency. The A and B inputs generate no significant AC or DC currents as they transition. This parameter is not tested, but is
guaranteed by design.

PIC16213 Switching Characteristics over Operating Range

Notes:

1. See test circuit and wave forms.

2. This parameter is guaranteed but not tested on Propagation Delays.

3. The bus switch contributes no propagational delay other than the RC delay of the ON resistance of the switch and the load
capacitance. The time constant for the switch alone is of the order of 0.25 ns for 50 pF load. Since this time constant is much
smaller than the rise/fall times of typical driving signals, it adds very little propagational delay to the system. Propagational delay
of the bus switch when used in a system is determined by the driving circuit on the driving side of the switch and its interaction
with the load on the driven side.

Pericom Semiconductor Corporation

2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax [phone] • http://www.pericom.com

Recommended Operating Conditions

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