CF745 datasheet(7/217 Pages) MICROCHIP

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Preliminary

DS30453B-page 7

PIC16C5X

2.0

PIC16C5X DEVICE VARIETIES

A variety of frequency ranges and packaging options

are

available.

Depending

application

and

production requirements, the proper device option can

be selected using the information in this section. When

placing orders, please use the PIC16C5X Product

Identiﬁcation System at the back of this data sheet to

specify the correct part number.

For the PIC16C5X family of devices, there are four

device types, as indicated in the device number:

C, as in PIC16C54. These devices have

EPROM program memory and operate over the

standard voltage range.

LC, as in PIC16LC54A. These devices have

EPROM program memory and operate over an

extended voltage range.

LV, as in PIC16LV54A. These devices have

EPROM program memory and operate over a

2.0V to 3.8V range.

CR, as in PIC16CR54A. These devices have

ROM program memory and operate over the

standard voltage range.

LCR, as in PIC16LCR54B. These devices have

ROM program memory and operate over an

extended voltage range.

2.1

UV Erasable Devices (EPROM)

The UV erasable versions, offered in CERDIP

packages, are optimal for prototype development and

pilot programs

UV erasable devices can be programmed for any of

the

four

oscillator

conﬁgurations.

Microchip's

PICSTART® and PRO MATE® programmers both

support programming of the PIC16C5X. Third party

programmers also are available; refer to the Third

Party Guide for a list of sources.

2.2

One-Time-Programmable (OTP)

Devices

The availability of OTP devices is especially useful for

customers expecting frequent code changes and

updates.

The OTP devices, packaged in plastic packages,

permit the user to program them once. In addition to

the program memory, the conﬁguration bits must be

programmed.

2.3

Quick-Turnaround-Production (QTP)

Devices

Microchip offers a QTP Programming Service for

factory production orders. This service is made

available for users who choose not to program a

medium to high quantity of units and whose code

patterns have stabilized. The devices are identical to

the OTP devices but with all EPROM locations and

conﬁguration bit options already programmed by the

factory. Certain

code

and

prototype

veriﬁcation

procedures apply before production shipments are

available. Please contact your Microchip Technology

sales ofﬁce for more details.

2.4

Serialized

Quick-Turnaround-Production

(SQTP

) Devices

Microchip offers the unique programming service

where a few user-deﬁned locations in each device are

programmed with different serial numbers. The serial

numbers

may

random,

pseudo-random

sequential.

The devices are identical to the OTP

devices

but

with

all

EPROM

locations

and

conﬁguration bit options already programmed by the

factory.

Serial programming allows each device to have a

unique number which can serve as an entry code,

password or ID number.

2.5

Read Only Memory (ROM) Devices

Microchip offers masked ROM versions of several of

the highest volume parts, giving the customer a low

cost option for high volume, mature products.

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