PI5C3244SE

PI5C3244SE Datasheet

PI5C3244 8-Bit, 2-Port Switch

Part	Datasheet
PI5C3244SE	PI5C3244SE (pdf)

Related Parts	Information
PI5C3244LE	PI5C3244LE
PI5C3244QE	PI5C3244QE
PI5C3244Q	PI5C3244Q
PI5C3244S	PI5C3244S

PDF Datasheet Preview
PI5C3244 8-Bit, 2-Port Switch Features: • Near-Zero propagation delay • 5-ohm switches connect inputs to outputs when enabled • Direct bus connection when switches are ON • Ultra Low Quiescent Power 0.2µA Typical Ideally suited for notebook applications • Pin compatible with 74 Series 244 logic devices • Packaging Pb-free & Green Available 20-pin 173-mil wide plastic TSSOP L 20-pin 150-mil wide plastic QSOP Q 20-pin 300-mil wide plastic SOIC S Description: Pericom Semiconductor’s PI5C3244 features a set of eight bus switches which is pinout and function compatible with the PI74FCT244T, 74F244, and 74ALS/AS/LS 244 8-bit drivers. Two enable signals BEn turn the switches on similar to the enable signals of the bus switch creates no additional propagation delay or ground bounce noise. Block Diagram Pin Configuration BE1 1 1A0 2 2B3 3 1A1 4 2B2 5 1A2 6 2B1 7 1A3 8 2B0 9 GND 10 20 VCC 19 BE2 18 1B0 17 2A3 16 1B1 15 2A2 14 1B2 13 2A1 12 1B3 11 2A0 Truth Table 1 1A, 1B Disconnect 1A = 1B Disconnect 1A = 1B 2A, 2B Disconnect 2A = 2B 2A = 2B Note H = High Voltage Level L = Low Voltage Level Pin Description Pin Name BEn A0-A3 B0-B3 GND VCC Description Bus Output Enable Active LOW Bus A Bus B Ground Power PS7014D 01/27/05 PI5C3244 8-Bit, 2-Port Switch Maximum Ratings Above which the useful life may be impaired. For user guidelines, not tested. Storage Temperature to +150°C Ambient Temperature with Power Applied to +85°C Supply Voltage to Ground Potential Inputs & Vcc Only to +7.0V Supply Voltage to Ground Potential Outputs & D/O Only to +7.0V DC Input Voltage to +7.0V DC Output Current 120 mA Power Dissipation 0.5W 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. DC Electrical Characteristics Over the Operating Range, TA = to +85°C, VCC = 5V ±5% Parameters Description Test Conditions 1 Min. Input HIGH Voltage Guaranteed Logic HIGH Level Input LOW Voltage Guaranteed Logic LOW Level Input HIGH Current VCC = Max., VIN = VCC Ordering Information Ordering Code PI5C3244Q PI5C3244QE PI5C3244L PI5C3244LE PI5C3244S PI5C3244SE Package Code Q L S Package Type 20-pin QSOP Pb-free & Green, 20-pin QSOP 20-pin TSSOP Pb-free & Green, 20-pin TSSOP 20-pin SOIC Pb-free & Green, 20-pin SOIC Notes Thermal characteristics can be found on the company web site at Pericom Semiconductor Corporation • 1-800-435-2336 • 5 PS7014D 01/27/05

PDF Datasheet Preview

PI5C3244 8-Bit, 2-Port Switch

Features:
• Near-Zero propagation delay
• 5-ohm switches connect inputs to outputs when enabled
• Direct bus connection when switches are ON
• Ultra Low Quiescent Power 0.2µA Typical Ideally suited for notebook applications
• Pin compatible with 74 Series 244 logic devices
• Packaging Pb-free & Green Available 20-pin 173-mil wide plastic TSSOP L 20-pin 150-mil wide plastic QSOP Q 20-pin 300-mil wide plastic SOIC S

Description:

Pericom Semiconductor’s PI5C3244 features a set of eight bus switches which is pinout and function compatible with the PI74FCT244T, 74F244, and 74ALS/AS/LS 244 8-bit drivers. Two enable signals BEn turn the switches on similar to the enable signals of the bus switch creates no additional propagation delay or ground bounce noise.

Block Diagram

Pin Configuration

BE1 1 1A0 2 2B3 3 1A1 4 2B2 5 1A2 6 2B1 7 1A3 8 2B0 9 GND 10
20 VCC 19 BE2 18 1B0 17 2A3 16 1B1 15 2A2 14 1B2 13 2A1 12 1B3 11 2A0

Truth Table 1
1A, 1B Disconnect
1A = 1B Disconnect
1A = 1B
2A, 2B Disconnect
2A = 2B 2A = 2B

Note H = High Voltage Level L = Low Voltage Level

Pin Description

Pin Name BEn A0-A3 B0-B3 GND VCC

Description Bus Output Enable Active LOW Bus A Bus B Ground Power

PS7014D
01/27/05

PI5C3244 8-Bit, 2-Port Switch

Maximum Ratings

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

Storage Temperature to +150°C Ambient Temperature with Power Applied to +85°C Supply Voltage to Ground Potential Inputs & Vcc Only to +7.0V Supply Voltage to Ground Potential Outputs & D/O Only to +7.0V DC Input Voltage to +7.0V DC Output Current 120 mA Power Dissipation 0.5W

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.

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

Parameters Description

Test Conditions 1

Min.

Input HIGH Voltage

Guaranteed Logic HIGH Level

Input LOW Voltage

Guaranteed Logic LOW Level

Input HIGH Current

VCC = Max., VIN = VCC
Ordering Information
Ordering Code PI5C3244Q PI5C3244QE PI5C3244L PI5C3244LE PI5C3244S PI5C3244SE

Package Code Q L S

Package Type 20-pin QSOP Pb-free & Green, 20-pin QSOP 20-pin TSSOP Pb-free & Green, 20-pin TSSOP 20-pin SOIC Pb-free & Green, 20-pin SOIC

Notes Thermal characteristics can be found on the company web site at

Pericom Semiconductor Corporation
• 1-800-435-2336
• 5

PS7014D
01/27/05

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived PI5C3244SE Datasheet file may be downloaded here without warranties.

Datasheet ID: PI5C3244SE 510073