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PIC17C752 Datasheet

  • PIC17C752

  • High-Performance 8-bit CMOS EPROM Microcontrollers with 10-b...

  • 3053.02KB

  • 304页

  • Microchip   Microchip

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PIC17C75X
2.0
DEVICE VARIETIES
2.1
UV Erasable Devices
Each device has a variety of frequency ranges and
packaging options. Depending on application and pro-
duction requirements, the proper device option can be
selected using the information in the PIC17C75X Prod-
uct Selection System section at the end of this data
sheet. When placing orders, please use the
鈥淧IC17C75X Product Identi铿乧ation System鈥?at the back
of this data sheet to specify the correct part number.
When discussing the functionality of the device, mem-
ory technology and voltage range does not matter.
There are three memory type options. These are spec-
i铿乪d in the middle characters of the part number.
1.
2.
3.
C
, as in PIC17
C
756. These devices have
EPROM type memory.
CR
, as in PIC17
CR
756. These devices have
ROM type memory.
F
, as in PIC17
F
756. These devices have Flash
type memory.
The UV erasable version, offered in CERQUAD pack-
age, is optimal for prototype development and pilot pro-
grams.
The UV erasable version can be erased and repro-
grammed to any of the con铿乬uration modes.
Microchip's programming of the PIC17C75X. 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, per-
mit the user to program them once. In addition to the
program memory, the con铿乬uration bits must be pro-
grammed.
TABLE 2-1:
All these devices operate over the standard voltage
range. Devices are also offered which operate over an
extended voltage range (and reduced frequency
range). Table 2-1 shows all possible memory types and
voltage range designators for a particular device.
These designators are in
bold
typeface.
2.3
Quick-Turnaround-Production (QTP)
Devices
DEVICE MEMORY
VARIETIES
Voltage Range
Memory Type
Standard
Extended
EPROM
PIC17
C
XXX
PIC17
LC
XXX
ROM
PIC17
CR
XXX
PIC17
LCR
XXX
Flash
PIC17FXXX
PIC17LFXXX
Note:
Not all memory technologies are available
for a particular device.
Microchip offers a QTP Programming Service for fac-
tory 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 stabi-
lized. The devices are identical to the OTP devices but
with all EPROM locations and con铿乬uration options
already programmed by the factory. Certain code and
prototype veri铿乧ation procedures apply before produc-
tion shipments are available. Please contact your local
Microchip Technology sales of铿乧e for more details.
2.4
Serialized Quick-Turnaround
Production (SQTP
SM
) Devices
Microchip offers a unique programming service where
a few user-de铿乶ed locations in each device are pro-
grammed with different serial numbers. The serial num-
bers may be random, pseudo-random or sequential.
Serial programming allows each device to have a
unique number which can serve as an entry-code,
password or ID number.
漏
1997 Microchip Technology Inc.
Preliminary
DS30264A-page 7

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