STG3157 - ST Microelectronics

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

STG3157
Manufacturer

ST Microelectronics
ChipWorker Part#

CW423603500
Category

Logic Controller, Logic IC
Description

Low Voltage Low On Resistance SPDT Switch with Break-Before-Make Feat.
Documentation

Datasheet

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STG3157 Specifications

Attribute	Attribute Value

Part Number	STG3157
Manufacturer	ST Microelectronics
ChipWorker Part#	CW423603500
Category	Logic Controller, Logic IC
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

The STG3157 is a high-speed CMOS analog SPDT (single-pole double-throw) switch or 2:1 multiplexer/demultiplexer bus switch manufactured using silicon gate C2MOS technology. It is designed to operate from a 1.65 V to 5.5 V supply, making the device ideal for portable applications.
The STG3157 features very low on-resistance (< 9 ) at VCC = 3.0 V. The IN input is provided to control the SPDT switch, and is compatible with standard CMOS output. Switch S1 is ON (connected to common port D) when the IN input is held high, and OFF (a high impedance state exists between the two ports) when IN is held low.
Switch S2 is ON (connected to common port D) when the IN input is held low and OFF (a high impedance state exists between the two ports) when IN is held high.
Additional key features are fast switching speed, break-before-make delay time, and very low power consumption. All inputs and outputs are equipped with protection circuits to protect against static discharge, giving them immunity from ESD and transient excess voltage.
**Key Features**
Latch-up performance exceeds 150 mA (JESD 17)
Pin and function compatible with 74 series 3157
High speed:tPD = 0.3 ns (max) at VCC = 4.5 VtPD = 0.8 ns (max) at VCC = 3.0 VtPD = 1.2 ns (max) at VCC = 2.3 V
Low on-resistance; at VIN = 0 V:RON = 7 (max TA = 85 °C) at VCC = 4.5 VRON = 9 (max TA = 85 °C) at VCC = 3.0 V
Ultra low power dissipation:ICC = 1 µA (max) at TA = 85 °C
TTL threshold ON control input at VCC = 2.7 to 3.6 V
Wide operating voltage range:VCC (OPR) = 1.65 V to 5.5 V single supply

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