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MT9080

Part Number	MT9080
Manufacturer	Mitel Networks Corporation
Description	CMOS SMX - Switch Matrix Module
Published	Oct 26, 2005
Detailed Description	® CMOS MT9080 SMX - Switch Matrix Module Features • • • • • • • Timeslot interchange circuit for digital switch applic...
Datasheet	MT9080 PDF File

Overview

® CMOS MT9080 SMX - Switch Matrix Module Features • • • • • • • Timeslot interchange circuit for digital switch applications 16 bit wide data bus I/O 2048 x 16 bit wide byte capacity Dual addressing capability; internal counter and external address bus Variable clock and frame rates Microprocessor interface CMOS ISSUE 3 January 1993 Ordering Information MT9080AP 84 Pin PLCC -40°C to 70°C Description The MT9080 is a flexible memory module suitable for use as a basic building block in the construction of large digital switching matrices.
It can be configured as either a Data Memory or a Connection Memory.
Interface to the device is via 16 bit wide data and address busses.
The MT9080 can operate with variable clock rates up to 16.
7 MHz.
Applications • Building block for digital switching matrices used in PBXs, CO equipment, data switching, etc.
Programmable delay lines • D0i/D15i 16 16 2048 x 16 16 Address MUX 11 11 Bit Counter WR ENABLE PRECHARGE Static Memory 16 D0o/ D15o A0-A15 CRC CD Control Interface Counter Reset ME FP CK ODE DS CS R/W Mx My Mz DTA Figure 1 - Functional Block Diagram 2-101 MT9080 CMOS D15o D14o D13o D12o D10o D11o VDD VSS VSS VSS VSS D9o 76 10 8 6 4 2 84 82 80 D8i D9i D10i D11i VSS D12i D13i D14i D15i VSS CK VDD VSS IC IC FP CS DS R/W DTA NC 78 D8o D7i D6i D5i D4i D3i D2i D1i D0i 12 14 16 18 20 22 24 26 28 30 74 72 70 68 66 VSS D7o D6o D5o D4o VSS D3o D2o D1o D0o VSS VDD CD A15 A14 A13 A12 A11 A10 A9 A8 84 PIN PLCC 64 62 60 58 56 46 48 34 36 38 40 42 44 50 32 52 A5 54 NC NC VDD NC IC IC A0 A1 A2 A3 A4 A6 ODE VSS Figure 2 - Pin Connections Pin Description Pin # 1 2-5 Name VSS D0i-D3i Ground.
Input/Microport Data Bus.
This is part of a 16 bit data bus.
The data bus is bidirectional in Connect Memory mode where it is typically interfaced to a microprocessor.
In all other modes the data bus is an input.
Data to be switched through the device is clocked in at ...

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