TP3155V

TP3155 Time Slot Assignment Circuit September 1993 TP3155 Time Slot Assignment Circuit General Description The TP3155 is a monolithic CMOS logic circuit designed to generate transmit and receive frame synchronization pulses for up to 8 COMBOTM CODEC Filters Each frame sync pulse may be independently assigned to a time slot in a frame of up to 32 time slots Assignments are controlled by loading in an 8-bit word via a simple serial interface port This control interface is compatible with that used on the TP3020 TP3021 and 2910 2911 CODECs enabling an easy upgrade to COMBO CODEC Filters to be made Features Y Y Y Y Y Y Y Controls up to 8 COMBO CODEC Filters Independent transmit and receive time slot assignments 8-channel unidirectional mode Up to 32 time slots per frame Serial control interface compatible with TP3020 TP3021 CODECs LS TTL and CMOS compatible inputs 5 mW 5V operation Typical Application TL H 5118 – 1 TRI-STATE is a registered trademarks of National Semiconductor Corp COMBOTM is a trademark of National Semiconductor Corp C1995 National Semiconductor Corporation TL H 5118 RRD-B30M115 Printed in U S A Absolute Maximum Ratings If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications VCC Relative to GND Voltage at Any Input or Output 7V VCC a 0 3V to GND b0 3V Operating Temperature Range (Ambient) Storage Temperature Range (Ambient) Maximum Lead Temperature (So...