PI5C3257ZHDEX

Pb A product Line of Diodes Incorporated Lead-free Green PI5C3257 Quad 2:1 Mux/DeMux Bus Switch Features Description ¼¼Near-Zero propagation delay ¼¼5Ω switches connect inputs to outputs ¼¼Direct bus connection when switches are ON ¼¼Ultra Low Quiescent Power (0.2µA typical) – Ideally suited for notebook applications ¼¼Pin compatible with 74 series 257 logic devices ¼¼Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) ¼¼Halogen and Antimony Free. “Green” Device (Note 3) ¼¼Packaging (Pb-free & Green available): – 16-pin, QSOP (Q) – 16-pin, TSSOP (L) – 16-pin, UQFN (ZHD) The PI5C3257 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 (5Ω) with no additional ground bounce noise or propagation delay. Block Diagram 1 16 VCC IA0 2 15 E IA1 3 14 ID0 YA 4 13 ID1 IB0 5 12 YD IB1 6 11 IC0 YB 7 10 IC1 GND 8 9 YC VCC E ID0 ID1 15 14 13 2 11 IC0 I A1 3 10 IC1 YA 4 9 YC 7 8 GND IA0 YB YD I B1 12 IB0 1 6 IC0 IC1 YA YB YC ID0 ID1 YD Truth Table(1) E H L L S X L H YA Hi-Z IA0 IA1 YB Hi-Z IB0 IB1 YC Hi-Z IC0 IC1 YD Hi-Z ID0 ID1 Note: 1. H = High Voltage Level, L = Low Voltage Level S 5 IB1 S Pin Configuration (UQFN) 16 IB0 E Pin Configuration (QSOP, TSSOP) S IA1 IA0 Function Disable S=0 S=1 Pin Description Pin Name IAn-IDn S E YA-YD GND Vcc Description Data Inputs Select Inputs Enable Data Outputs Ground Power Notes:       1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. 2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain