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TTSI4K32T

Features: `Thirty-two full-duplex, serial time-division multiplexed (TDM) highways.` Full availability, nonblocking 4096-channel time/space switch.`2.048 Mbits/s (32 time slots), 4.096 Mbits/s (64 time slots), or 8.192 Mbits/s (128 time slots) data rates, independently programmable per highway.` 6...

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SeekIC No. : 004533725 Detail

TTSI4K32T: Features: `Thirty-two full-duplex, serial time-division multiplexed (TDM) highways.` Full availability, nonblocking 4096-channel time/space switch.`2.048 Mbits/s (32 time slots), 4.096 Mbits/s (64 t...

TTSI4K32T Data Sheet

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Part Number:
TTSI4K32T
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

`Thirty-two full-duplex, serial time-division multiplexed (TDM) highways.
` Full availability, nonblocking 4096-channel time/space switch.
`2.048 Mbits/s (32 time slots), 4.096 Mbits/s (64 time slots), or 8.192 Mbits/s (128 time slots) data rates, independently programmable per highway.
` 64 kbits/s granularity with optional 32 kbits/s (4-bit) and 16 kbits/s (2-bit) subrate switching, selectable per highway.
` Low-latency mode for voice channels.
` Frame integrity for wideband data applications.
`Concentration highway interface (CHI) compatible with the IOM2, GCI, K2, SLD, MVIP*, ST-Bus,SC-Bus, and H.100.
`Single highway clock and frame synchronization input.
` Independently programmable bit and byte offsets with 1/4 bit resolution for all highways.
` Capable of broadcasting data to the transmit highways from a variety of sources including host data.
`High-impedance control per time slot.
`Software-compatible family of 1K, 2K, and 4K timeslot interchangers.
`Thirty-two independent high-impedance indicators (output enables) for transmit highways, allowing external drivers.
`Direct access to device registers, connection store, and data store via microprocessor interface.
` IEEE†1149.1 boundary scan (JTAG).
` Test-pattern generation and checking for on-line system testing (PRBS, QRSS, or user-defined byte).
` User-accessible BIST for data and connection
stores.
`3.3 V power supply with 5 V tolerant I/O.
` Low-power, high-density CMOS technology, and TTL compatible switching thresholds.
` 217-pin PBGA package.
`40 to +85 operating temperature range.


Application

· Small and medium digital switch matrices.
· Computer telephony integration (CTI).
· Access concentrators.
· PABX.
· Cellular infrastructure.
· ISP modem banks.
· T1/E1 multiplexers.
· Digital cross connects.
· Digital loop carriers.
· Multiport DS1/E1 service cards.
· LAN/WAN gateways.
· TDM highway data rate adaptation


Pinout

Connection Diagram


Specifications

Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute
stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess
of those given in the operations sections of this data sheet. Exposure to absolute maximum ratings for extended
periods can adversely affect device reliability. External leads can be safely soldered or bonded at temperatures up
to 300 .
Parameter
Symbol
Min
Max
Unit
Storage Temperature
Tstg
65
125
Voltage on Any Pin with Respect to Ground
VIN
0.5
5.8*
V
Power Dissipation
PD
-
440
mW

This maximum rating only applies when the device is powered up with VDD


Description

The TTSI4K32T Time-Slot Interchanger (TSI) switches data between 32 full-duplex, serial, timedivision multiplexed highways. The TTSI4K32T can make any connection between 4096 input and output time slots.

Each of the 32 transmit and 32 receive highways can be independently programmed for data rate (2.048 Mbits/s, 4.096 Mbits/s, or 8.192 Mbits/s) and offset. The offset can range from 0 bits to 127 bytes and 7 3/4 bits on a 8.192 Mbits/s highway. The TTSI4K32T can perform rate adaptation between varying speed highways as well.
 
The TTSI4K32T is configured via a microprocessor interface with a demultiplexed address and data bus.In addition to accessing the registers and connection store, this interface can also be used to read received time slots and specify user data for transmission.

The TTSI4K32T ensures that interchanged time slots retain their frame integrity. Frame integrity is required for applications that switch wideband data (i.e., ISDN H-channels). For voice applications where low delay is important, a low-latency mode can be selected.




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