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General Description

The TC4467/TC4468/TC4469 devices are a family of four-output CMOS buffers/MOSFET drivers with 1.2 A peak drive capability. Unlike other MOSFET drivers, these devices have two inputs for each output. The inputs are configured as logic gates: NAND (TC4467), AND (TC4468) and AND/INV (TC4469).

The TC4467/TC4468/TC4469 drivers can continuously source up to 250 mA into ground referenced loads. These devices are ideal for direct driving low current motors or driving MOSFETs in a H-bridge configuration for higher current motor drive (see Section 5.0 for details). Having the logic gates onboard the driver can help to reduce component count in many designs.

The TC4467/TC4468/TC4469 devices are very robust and highly latch-up resistant. They can tolerate up to 5 V of noise spiking on the ground line and can handle up to 0.5 A of reverse current on the driver outputs.

The TC4467/4468/4469 devices are available in commercial, industrial and military temperature ranges.

Features

? High Peak Output Current: 1.2 A

? Wide Operating Range:

- 4.5 V to 18 V

? Symmetrical Rise/Fall Times: 25 nsec

? Short, Equal Delay Times: 75 nsec

? Latch-proof. Will Withstand 500 mA Inductive Kickback

? 3 Input Logic Choices:

- AND / NAND / AND + Inv

? ESD Protection on All Pins: 2 kV

Applications

? General Purpose CMOS Logic Buffer

? Driving All Four MOSFETs in an H-Bridge

? Direct Small Motor Driver

? Relay or Peripheral Drivers

? CCD Driver

? Pin-Switching Network Driver