Product Summary

The PI5C3257QX is a Multiplexer/Demultiplexer Bus Switch. The PI5C3257QX is produced in the Company’s advanced 0.8 micron CMOS technology, achieving industry leading performance. The PI5C3257QX is a Quad 2:1 multiplexer/demultiplexer with three state outputs that is pinout and function compatible with the PI74FCT257T, 74F257, and 74ALS/AS/LS257. Inputs can be connected to outputs with low on resistance (5W) with no additional ground bounce noise or propagation delay.

Parametrics

PI5C3257QX absolute maximum ratings: (1)Storage Temperature: –55℃ to +125℃; (2)Ambient Temperature with Power Applied:–40℃ to +85℃; (3)Supply Voltage to Ground Potential (Inputs and Vcc Only):–0.5V to +7.0V; (4)Supply Voltage to Ground Potential (Outputs and D/O Only):–0.5V to +7.0V; (5) DC Input Voltage: -0.5V to +7.0V; (6) DC Output Current: 120 mA; (7) Power Dissipation: 0.5W.

Features

PI5C3257QX features: (1)Near zero propagation delay; (2)5W switches connect inputs to outputs; (3)Direct bus connection when switches are ON; (4)Ultra Low Quiescent Power (0.2μA Typical); (5)Ideally suited for notebook applications; (6)Pin compatible with 74 series 257 logic devices.

Diagrams

PI5C3257QX block diagram

PI5C16210AEX
PI5C16210AEX
Pericom
Digital Bus Switch ICs 20B Bus Switch
Data Sheet
0-1500: $1.10
1500-7500: $1.10
PI5C16211AE
PI5C16211AE
Pericom
Digital Bus Switch ICs 24 Bit Bus Switch 2-Port
Data Sheet
0-1: $1.41
1-25: $1.24
25-50: $1.23
50-100: $1.13
PI5C16211AEX
PI5C16211AEX
Pericom
Digital Bus Switch ICs 24B Bus Switch
Data Sheet
0-1500: $1.30
1500-3000: $1.25
PI5C16212VE
PI5C16212VE
Pericom
Universal Bus Functions 24B Bus Switch
Data Sheet
Negotiable 
PI5C16245AE
PI5C16245AE
Pericom
Digital Bus Switch ICs 16B 4Port Bus Switch
Data Sheet
0-234: $1.17
234-507: $1.16
507-1014: $1.16
1014-2535: $1.15
PI5C16245VE
PI5C16245VE
Pericom
Digital Bus Switch ICs 16B 4Port Bus Switch
Data Sheet
Negotiable