IDT7290820 Datasheet, PDF (1/27 Pages) Integrated Device Technology – TIME SLOT INTERCHANGE DIGITAL SWITCH 2,048 x 2,048

TIME SLOT INTERCHANGE
DIGITAL SWITCH
2,048 x 2,048
IDT7290820
.EATURES:
• 2,048 x 2,048 channel non-blocking switching at 8.192 Mb/s
• Per-channel variable or constant throughput delay
• Automatic identification of ST-BUS^®/GCI interfaces
• Accept streams of 2.048 Mb/s, 4.096 Mb/s or 8.192 Mb/s
• Automatic frame offset delay measurement
• Per-stream frame delay offset programming
• Per-channel high impedance output control
• Per-channel Processor Mode
• Control interface compatible to Intel/Motorola CPUs
• Connection memory block programming
• IEEE-1149.1 (JTAG) Test Port
• Available in 84-pin Plastic Leaded Chip Carrier (PLCC),
100-pin Ball Grid Array (BGA), 100-pin Plastic Quad Flatpack
(PQFP) and 100-pin Thin Quad Flatpack (TQFP)
• Operating Temperature Range -40°C to +85°C
• 5V Power Supply
DESCRIPTION:
The IDT7290820 is a non-blocking digital switch that has a capacity of
2,048 x 2,048 channels at a serial bit rate of 8.192 Mb/s, 1,024 x 1,024 channels
at 4.096 Mb/s and 512 x 512 channels at 2.048 Mb/s. Some of the main features
are: programmable stream and channel control, Processor Mode, input offset
delay and high-impedance output control.
Per-stream input delay control is provided for managing large multi-chip
switches that transport both voice channel and concatenated data channels. In
addition, input streams can be individually calibrated for input frame offset.
.UNCTIONAL BLOCK DIAGRAM
VCC GND RESET
TMS TDI TDO TCK TRST IC
ODE
RX0
RX1
RX2
RX3
RX4
RX5
RX6
RX7
RX8
RX9
RX10
RX11
RX12
RX13
RX14
RX15
Receive
Serial Data
Streams
Timing Unit
Test Port
Loopback
Data Memory
Output
MUX
Transmit
Serial Data
Streams
Internal
Registers
Connection
Memory
Microprocessor Interface
TX0
TX1
TX2
TX3
TX4
TX5
TX6
TX7
TX8
TX9
TX10
TX11
TX12
TX13
TX14
TX15
CLK F0i FE/ WFPS
HCLK
AS/ IM DS/ CS R/W/ A0-A7 DTA D8-D15/ CCO
ALE
RD
WR
AD0-AD7
5713 drw01
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
1
 2001 Integrated Device Technology, Inc.
JULY 2001
DSC-5713/4