Philips Semiconductors

Product specification

SCN2661/SCN68661

Enhanced programmable communications

interface (EPCI)

1994 Apr 27

2

ORDERING CODE

PACKAGES

DWG #

PACKAGES

Commercial

0

°C to +70°C

Industrial

-40

°C to +85°C

DWG #

28-Pin Ceramic Dual In-Line Package (cerdip) 0.6” Wide

SCN2661BC1F28

SCN2661CC1F28

SCN2661BA1F28

SCN2661CA1F28

0589B

28-Pin Plastic Dual In-Line Package (DIP) 0.6” Wide

SCN2661AC1N28

SCN2661BC1N28

SCN2661CC1N28

Contact Factory

SOT117-2

28-Pin Plastic Lead Chip Carrier (PLCC)

SCN2661AC1A28

SCN2661BC1A28

SCN2661CC1A28

Contact Factory

SOT261-3

BLOCK DIAGRAM

DATA BUS

D0–D7

RESET

R/W

CE

DATA BUS

BUFFER

OPERATION CONTROL

MODE REGISTER 1

BAUD RATE

GENERATOR

AND

CLOCK CONTROL

SNE/DLE CONTROL

SYN 1 REGISTER

SYN 2 REGISTER

DLE REGISTER

TRANSMITTER

TRANSMIT DATA

TxD

MODE REGISTER 2

COMMAND REGISTER

STATUS REGISTER

BRCLK

TxC/SYNC

RxC/BKDET

DSR

MODEM

CONTROL

DCD

CTS

RTS

DTR

TxEMT/*

DSCHG

HOLDING REGISTER

TRANSMIT

SHIFT REGISTER

TxRDY

*

RECEIVE DATA

RECEIVE

RECEIVER

RxD

RxRDY

*

HOLDING REGISTER

SHIFT REGISTER

NOTES:

SD00078

SYMBOL

PARAMETER

RATING

UNIT

Note 4

°C

Storage temperature

-65 to +150

°C

-0.5 to +6.0

V

NOTES:

1. Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only and

functional operation of the device at these or at any other condition above those indicated in the operation section of this specification is not

implied.

2. For operating at elevated temperatures, the device must be derated based on +150

°C maximum function temperature.

3. This product includes circuitry specifically designed for the protection of its internal devices from the damaging effect of excessive static

charge. Nonetheless, it is suggested that conventional precautions be taken to avoid applying any voltages larger than the rated maxima.

4. Over recommended free-air operating temperature range and supply voltage range unless otherwise specified. For conditions shown as MIN

or MAX, use the appropriate value specified under recommended operating conditions.