tp3155 National Semiconductor Corporation, tp3155 Datasheet

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tp3155

Manufacturer Part Number
tp3155
Description
Tp3155 Time Slot Assignment Circuit
Manufacturer
National Semiconductor Corporation
Datasheet

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C 1995 National Semiconductor Corporation
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 COMBO
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
Typical Application
TRI-STATE is a registered trademarks of National Semiconductor Corp
COMBO
TM
is a trademark of National Semiconductor Corp
TM
CODEC Filters Each frame sync
TL H 5118
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
RRD-B30M115 Printed in U S A
September 1993
TL H 5118 – 1

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tp3155 Summary of contents

Page 1

... 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 COMBO CODEC Filters Each frame sync TM pulse may be independently assigned to a time slot in a frame time slots Assignments are controlled by ...

Page 2

Absolute Maximum Ratings If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications V Relative to GND CC Voltage at Any Input a or Output GND CC ...

Page 3

Block Diagram Timing Diagrams Control Interface Output 5118 – 5118 – 5118 – 4 ...

Page 4

... GND mode 2 is selected GND The 0V ground connection to the device Dual-In-Line Package TL H 5118 – 5 Top View Order Number TP3155N See NS Package Number N20A Symbol BCLK The bit clock input which should run at the same rate as that for the COMBO CODEC ...

Page 5

... Functional Description OPERATING MODES The TP3155 control interface requires an 8-bit serial control word which is compatible with the TP3020 TP3021 and 2910 2911 CODECs Two bits X and R define which of the two groups of frame sync outputs affected by the control word and a 6-bit assign- ...

Page 6

Definitions and Timing Conventions DEFINITIONS the d c input level above which input level is guaranteed to appear as a logical one This parameter measured by performing a function- al test ...

Page 7

... Applications Information A combination of the TP3155 TSAC and any CODEC Filter COMBO from the TP3052 TP3064 7 series will result in data timing as shown in Figure 1 Although the FS output pulse goes high before BCLK goes high the D put of the combo remains in the TRI-STATE mode until both ...

Page 8

Application Information (Continued) 8 ...

Page 9

... Physical Dimensions inches (millimeters) Molded Dual-In-Line Package (N) Order Number TP3155N NS Package Number N20A 9 ...

Page 10

... National does not assume any responsibility for use of any circuitry described no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications Plastic Chip Carrier Package (V) Order Number TP3155V NS Package Number V20A 2 A critical component is any component of a life ...

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