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

SC2000 Datasheet(PDF) 3 Page - NXP Semiconductors

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