SA3488
sames
1
■ Actual input-output channel
connections stored and modified via
an on chip 8-bit parallel microprocessor
interface
■ 6 main “Functions” or “Instructions”
available
■ Typical Bit Rate : 2Mbit/s
■ Typical Synchronization Rate : 8KHz
(time frame is 125µs)
■ 5V power supply with internally
generated bias voltage
■ MOS & TTL input/output levels
compatible
sames
CMOS 256 X 256 DIGITAL SWITCHING MATRIX
SA3488
SA3488
■
Hardware (pin-to-pin) and software
compatible with M088 and M3488
■ 256 input and 256 output channel digital
switching matrix
■ Building block designed for large
capacity electronic exchanges, sub-
systems and PABX
■ Non-blocking single stage and higher
capacity blocks (512 or 1024 channels)
■ European and U.S. standard
compatible (32/24 serial channels per
frame)
■ PCM inputs and outputs mutually
compatible
FEATURES
DESCRIPTION
The SA3488 is a non-blocking digital
switching matrix that is capable of routing
256 input channels to any of 256 output
channels. Data is fed into and out of the
device via eight serial PCM input and
output channels at 2MBits/sec. The device
can connect or disconnect each input
channel with any output channel, as well as
carry out other functions which are user
programmable via an eight bit parallel
microprocessor interface. The SA3488
sees its primary use as a building block in
high volume electronic exchanges, voice
data PABX and other standard data
communications applications. It can be
easily configured for operation in PCM 24
or PCM 30 formats.
PIN CONNECTIONS:
