SC2000 datasheet(3/44 Pages) PHILIPS

3 / 44 page

2000 Sep 07

Philips Semiconductors

Preliminary speciﬁcation

Universal Timeslot Interchange

SC2000

FEATURES

• Multi-time slot switching capability

for N x 64K channels (N = 1 to 32).

• Architecture optimized for the call

processing environment: SCSATM,

PEBTM, or MVIPTM compatible.

• Two software selectable expansion

bus formats:

• SCbusTM /ST-BUSTM

• PEB

• Two software selectable local bus

formats:

• ST-BUS

• PEB

• Enhanced input hysteresis threshold.

• 32 x 2048 channel switch

• Serial or parallel access to the SCbus.

• Internal support for SCbus clock

fallback

• Built-in SCbus message bus

interface

• Supports both Intel® and Motorola®

processor interfaces

• 68-pin PLCC package

• 5v CMOS technology

0.995 [25.27]

0.985 [25.02]

0.800 [20.32] REF

0.995 [25.27]

0.985 [25.02]

0.800 [20.32]

REF

0.048 [1.22]

0.042 [1.07]

PIN 1

INDEX

0.130 [3.30]

0.090 [2.29]

0.056 [1.42]

0.042 [1.07]

0.200 [5.08]

0.165 [4.19]

CLKFAIL&

MC bus

Configuration

registers

Parallel

Access

Registers

Routing

Memory

Switch

Matrix

Timing

Local

Bus

Interface

Micro-

processor

Interface

Expansion

Bus

Interface

MC Rx data

MC Tx data

Microprocessor Bus

Clock in

Clock Out

CLKFAIL

Expansion Serial Bus

Expansion Clock Out

Block Diagram

Package Mechanical Drawing

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