The onsemi NC7SB3257P6X is a single-pole double-throw (SPDT) bus switch in a tiny 6-pin MicroPak package. This 1-bit multiplexer\/demultiplexer switch features low on-resistance and low propagation delay, suitable for signal routing and bus isolation in space-constrained applications.<\/p>\n
| Configuraci\u00f3n<\/td>\n | 1-bit SPDT (2:1 Mux\/Demux)<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Tensi\u00f3n de alimentaci\u00f3n<\/td>\n | 1.65 V to 5.5 V<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
REN<\/sub> Max<\/td>\n| 5 \u03a9 @ 4.5 V<\/td>\n<\/tr>\n | Retardo de propagaci\u00f3n<\/td>\n | 0.25 ns typ<\/td>\n<\/tr>\n | Bandwidth<\/td>\n | > 500 MHz<\/td>\n<\/tr>\n | ICC<\/sub> Max<\/td>\n | 1 \u00b5A<\/td>\n<\/tr>\n | Temperatura de funcionamiento<\/td>\n | -55 \u00b0C to +125 \u00b0C<\/td>\n<\/tr>\n | Paquete<\/td>\n | MicroPak-6 (1.45 x 1.0 mm)<\/td>\n<\/tr>\n<\/table>\n | Caracter\u00edsticas<\/h2>\nAplicaciones<\/h2>\nProduct Overview The onsemi NC7SB3257P6X is a single-pole double-throw (SPDT) bus switch in a tiny 6-pin MicroPak package. This 1-bit multiplexer\/demultiplexer switch features low on-resistance and low propagation delay, suitable for signal routing and bus isolation in space-constrained applications. Key Specifications Configuration 1-bit SPDT (2:1 Mux\/Demux) Supply Voltage 1.65 V to 5.5 V RON Max […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,20],"tags":[686],"chip_brand":[144],"class_list":["post-9120","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-interface-ics","tag-nc7sb3257p6x","chip_brand-on"],"acf":{"brief_explanation":"SPDT bus switch, 1.65-5.5V, 5\u03a9 RON, 0.25ns, MicroPak-6","date_code":"","package_case":"MicroPak-6 (1.45 x 1.0 x 0.5 mm)","in_stock":9125,"datasheet":"https:\/\/www.onsemi.com\/pdf\/datasheet\/nc7sb3257-d.pdf","price":"$0.15 @ 1ku","product_introduction":"The onsemi NC7SB3257P6X is a single-pole double-throw (SPDT) bus switch designed for signal routing and multiplexing in high-speed, space-constrained applications. The device functions as a 2:1 multiplexer or 1:2 demultiplexer, routing one of two input signals to a common output based on the select (S) pin. With an on-resistance of only 5 \u03a9 maximum at 4.5 V supply and sub-nanosecond propagation delay, it provides near-transparent signal switching with minimal degradation. The wide 1.65 V to 5.5 V supply range supports mixed-voltage designs, and the I\/O pins are 5.5 V tolerant, enabling level translation between different voltage domains. The ultra-small MicroPak-6 package (1.45 x 1.0 mm) occupies minimal board space, making it ideal for portable devices and high-density PCBs. The 1 \u00b5A maximum supply current ensures negligible power consumption in always-on signal path applications.","working_principle":"The NC7SB3257P6X uses a CMOS transmission gate architecture for signal switching. Each switch path consists of a parallel NMOS and PMOS transistor pair (transmission gate) that can pass signals from 0 V to VCC with low and relatively flat on-resistance. The select (S) pin controls which of the two input paths (A or B) is connected to the common output (COM). When S is low, the A-to-COM path is enabled and B-to-COM is high-impedance. When S is high, the B-to-COM path is enabled and A-to-COM is high-impedance. The transmission gate structure ensures that the on-resistance remains approximately constant across the full signal voltage range, unlike a single NMOS or PMOS switch whose resistance varies with signal level. The ultra-fast 0.25 ns propagation delay is achieved by minimizing parasitic capacitance and resistance in the signal path. When disabled, the switch presents a high-impedance state, effectively isolating the signal paths.","pin_description":"
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