MICROPROGRAM SEQUENCER BLOCK DIAGRAM

GENERAL DESCRIPTION The Am2909A is a 4-bit wide sequencer intended for sequencing through a series of microinstructions contained in memory. Two Am2909As may be interconnected to generate an 8-bit address (256 words), and three may be used to generate a 12-bit address (4K words).

DUAL FULL-BRIDGE PWM MOTOR DRIVER

The A2918SWH and A2918SWV motor drivers are designed to drive both windings of a bipolar stepper motor or bidirectionally control two dc motors. All bridges are capable of sustaining 45 V and include internal pulse-width modulation (PWM) control of the output current to 1.5 A. FEATURES ■ ±1.5 A

DUAL FULL-BRIDGE PWM MOTOR DRIVER

The A2918SWH and A2918SWV motor drivers are designed to drive both windings of a bipolar stepper motor or bidirectionally control two dc motors. All bridges are capable of sustaining 45 V and include internal pulse-width modulation (PWM) control of the output current to 1.5 A. FEATURES ■ ±1.5 A

DUAL FULL-BRIDGE PWM MOTOR DRIVER

The A2918SWH and A2918SWV motor drivers are designed to drive both windings of a bipolar stepper motor or bidirectionally control two dc motors. All bridges are capable of sustaining 45 V and include internal pulse-width modulation (PWM) control of the output current to 1.5 A. FEATURES ■ ±1.5 A

DUAL FULL-BRIDGE PWM MOTOR DRIVER

The A2918SWH and A2918SWV motor drivers are designed to drive both windings of a bipolar stepper motor or bidirectionally control two dc motors. All bridges are capable of sustaining 45 V and include internal pulse-width modulation (PWM) control of the output current to 1.5 A. FEATURES ■ ±1.5 A

750 MHz Center Frequency

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