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Description

The AS17xx is Astec’s proprietary semicustom bipolar array. This semicustom IC is a collection of individual TRANSISTORs and resistors in a fixed configuration. The custom circuit is manufactured by creating a single metal mask to connect the components. This allows the designer to deal with only one mask for the IC layout instead of the actual 10 mask process.

Features

Size (single tile)

• 87 x 75 mils Expandability of array (to 2 or 4 tiles)

Component Availability (single tile)

• Small NPN 48

• Dual collector PNP 21

• Vertical PNP 4

• Power NPN 3

• Diffused Resistors (total) ≈300 kΩ

• Pinch Resistors (3-terminal, 30kΩ) 8

• Cross-unders 13

• Buses 6

Basic Electrical Specs

• TRANSISTOR Matching (NPN & PNP) <2%

• Primary voltage limitations:

   LVCEO 18 V

   BVCBO 30 V

• Diffusion to substrate

   (Ground) 30 V

• NPN Parameters

   Beta 80–500

   fT(1mA) 300 MHz

   BVEBO 7 V

• PNP Parameters:

   Beta 20–300

   fT(1mA) 300 MHz

   BVEBO 30 V

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NPN SILICON Epitaxial Planar TRANSISTOR
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